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TrueSight Operations Management -EMC Storage Monitoring

STORAGE MONITORING

USER DOCUMENTATION

Version 4.1.03

October 2015

http://sentrysoftware.com/Solutions/Storage_solution.asphttp://www.sentrysoftware.com

Contacting BMC Software

You can access the BMC Software Web site at http://www.bmc.com. From this Web site, you canobtain information about the company, its products, corporate offices, special events, and careeropportunities.

United States and Canada

Address BMC Software, Inc.2101 CityWest Blvd. Houston TX77042-2827

Telephone 1 (713) 918 8800 or 1 (800) 841 2031 (Toll Free)

Copyright 2006 BMC Software, Inc. or licensors, as an unpublished work. All rights reserved.

BMC Software, the BMC Software logos, and all other BMC Software product or service names areregistered trademarks or trademarks of BMC Software, Inc.

All other trademarks belong to their respective companies.

BMC Software considers information included in this documentation to be proprietary andconfidential. Your use of this information is subject to the terms and conditions of the applicableEnd User License Agreement for the product and the proprietary and restricted rights noticesincluded in this documentation.

Restricted Rights Legend

U.S. Government Restricted Rights to Computer Software. UNPUBLISHED -- RIGHTS RESERVEDUNDER THE COPYRIGHT LAWS OF THE UNITED STATES. Use, duplication, or disclosure of any dataand computer software by the U.S. Government is subject to restrictions, as applicable, set forthin FAR Section 52.227-14, DFARS 252.227-7013, DFARS 252.227-7014, DFARS 252.227-7015, andDFARS 252.227-7025, as amended from time to time. Contractor/Manufacturer is BMC Software,Inc., 2101 CityWest Blvd., Houston, TX 77042-2827, USA. Any contract notices should be sent to thisaddress.

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Customer Support

You can obtain technical support by using the Support page on the BMC Software Web site or bycontacting Customer Support by telephone or e-mail.

Support Web Site

You can obtain technical support from BMC Software 24 hours a day, 7 days a week at http://www.bmc.com/support_home. From this Web site, you can:

Read overviews about support services and programs that BMC Software offers

Find the most current information about BMC Software products

Search a database for problems similar to yours and possible solutions

Order or download product documentation

Report a problem or ask a question

Subscribe to receive e-mail notices when new product versions are released

Find worldwide BMC Software support center locations and contact information, including e-mail addresses, fax numbers, and telephone numbers

You can also access product documents and search the Knowledge Base for help with an issue at http://www.sentrysoftware.com

Support by Telephone or E-mail

In the United States and Canada, if you need technical support and do not have access to theWeb, call 8005371813. Outside the United States and Canada, please contact your local supportcenter for assistance. To find telephone and email contact information for the BMC Softwaresupport center that services your location, refer to the Contact Customer Support section of theSupport page on the BMC Software Web site at http://www.bmc.com/support_home.

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http://www.bmc.com/support_homehttp://www.bmc.com/support_homehttp://www.sentrysoftware.comhttp://www.bmc.com/support_home

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Table of Contents.....................................................................................................................................................................................9User Goals and Features

.....................................................................................................................................................................................10Business Value

.....................................................................................................................................................................................11Supported Platforms

.....................................................................................................................................................................................14Installing EMC SMI-S Provider

.....................................................................................................................................................................................23Enabling Celerra SMI-S Provider

.....................................................................................................................................................................................25Enabling Statistics

.....................................................................................................................................................................................30Importing the Monitoring Solution into Central Administration

.....................................................................................................................................................................................31Creating the Installation Package

.....................................................................................................................................................................................32Downloading the Installation Package

.....................................................................................................................................................................................32Installing the Package

.....................................................................................................................................................................................34Configuring Monitor Settings

.......................................................................................................................................................................................37Enabling the Debug Mode

.......................................................................................................................................................................................39Setting Advanced Configuration Variables

.......................................................................................................................................................................................42Configuring Alert Actions

.......................................................................................................................................................................................43Scheduling Automatic Reports

.....................................................................................................................................................................................44Configuring Thresholds

.......................................................................................................................................................................................45Configuring Monitor Thresholds

.......................................................................................................................................................................................46Editing a Threshold Configuration

.......................................................................................................................................................................................46Deleting a Threshold Configuration

.....................................................................................................................................................................................48Detecting High Processor Utilization

.....................................................................................................................................................................................52Diagnosing a Bad Disk Layout

.....................................................................................................................................................................................55Diagnosing Slow Volumes

.....................................................................................................................................................................................59Monitoring Hardware

.....................................................................................................................................................................................67Reclaiming Space of Unused Volumes

.....................................................................................................................................................................................73EMC Disk Array

.....................................................................................................................................................................................74EMC Disk Array KM

.....................................................................................................................................................................................74EMC Battery

.....................................................................................................................................................................................75EMC CIFS Server

.....................................................................................................................................................................................76EMC Controller

.....................................................................................................................................................................................78EMC Control Station

.....................................................................................................................................................................................79EMC Data Mover

.....................................................................................................................................................................................80EMC Disk Group

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.....................................................................................................................................................................................81EMC DM Ethernet Port

.....................................................................................................................................................................................82EMC Ethernet Port

.....................................................................................................................................................................................83EMC Fan

.....................................................................................................................................................................................84EMC FC Port

.....................................................................................................................................................................................85EMC Filer

.....................................................................................................................................................................................86EMC File System

.....................................................................................................................................................................................87EMC NFS Server

.....................................................................................................................................................................................88EMC Physical Disk

.....................................................................................................................................................................................89EMC Power Supply

.....................................................................................................................................................................................90EMC SMI-S Provider

.....................................................................................................................................................................................90EMC SMI-S Provider Managed Array

.....................................................................................................................................................................................91EMC Storage Pool

.....................................................................................................................................................................................92EMC Volume

.....................................................................................................................................................................................93Managing Baselines and Key Performance Indicators

Release Notes for v4.1.03

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What's NewTrueSight Operations Management - EMC Storage Monitoring now fully supports EMC NAS8.1.0.

In order to optimize the monitoring on large environment, users can now customize thediscovery and the collect timeouts directly from the user interface. See the ConfiguringMonitor Settings section for detailed information.

Changes and ImprovementsThe debug file now stores additional critical information, warning and error messages whenthe debug mode is activated.

Fixed IssuesBefore each re-initialization of the KM, TrueSight Operations Management - EMC StorageMonitoring backs-up the latest PATROL Agent configuration and save the data in atimestamped configuration file. The number of configuration backup files can rapidly use alarge amount of space on a server. To avoid this situation, EMC Storage Monitoring will nowonly save the latest configuration backup under the %PATROL_HOME%\config directory.

The data gap that occurred after the discovery for the Disk Time Utilization and the ResponseTime attributes (CLARiiON and VNX physical disks only) has been fixed. Attributes are nowaccurately reported.

An error in the name of the target folder prevented EMC Storage Monitoring from saving thedebug output file on UNIX systems.

Overview

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The pages in this section provide a high-level overview of the product.

User Goals and Features

Business Value

Supported Platforms

Note that for convenience and brevity, reference to TrueSight Operations Management - EMC StorageMonitoring, may also be made as EMC Storage Monitoring.

User Goals and FeaturesTrueSight Operations Management - EMC Storage Monitoring allows you to view, monitor, andmanage your entire EMC storage environment by viewing the current and historical informationthrough a centralized console. You can view detailed system metrics on all parts of yourenvironment, such as:

Disk Arrays: overall capacity, available space, overall traffic, available spare disks

Controllers: CPU utilization, data traffic, cache statistics, response time

Disk Groups: Consumed Capacity, Read Byte Rate, Subscribed Capacity ...

Fiber Ports: Transfer Byte Rate...

Physical Disks: data traffic, disk time utilization, response time

Storage Pools: size and capacity, consumed and subscribed capacity, oversubscriptionproblems detection (thin provisioning)

Volumes: data traffic, disk time utilization, response time, mapping, consumed capacity

Control Station, Data Mover, DM Ethernet Port, Filers, File Systems and NFS Servers (for EMCCelerra storage systems only)

Hardware components: batteries, fans, power supplies.

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Business ValueTrueSight Operations Management - EMC Storage Monitoring provides current and historicalinformation through a centralized console so you can easily view and manage your entire EMCenvironment. The product collects and brings critical performance data and useful metrics intothe BMC TrueSight Operations Management environment and enables SAN/NAS Administratorsto be warned whenever a problem occurs in their EMC environment.

TrueSight Operations Management - EMC Storage Monitoring:

collects storage performance and metrics to keep total control of your SAN/NASenvironment

identifies performance bottlenecks (physical disks, controllers, fiber links, etc.)

manages and helps rationalize disk space consumption

detects oversubscription situations (thin provisioning)

pinpoints unused disk capacity

analyzes overall traffic and in-depth I/Os

reports on critical hardware components health (batteries, fans, power supplies)

11 Business Value

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Supported PlatformsBMC Framework

BMC ProactiveNet 9.0 and higher

BMC ProactiveNet Central Monitoring Administration 9.0 and higher

BMC TrueSight Operations Management 10

PATROL Agent

TrueSight Operations Management - EMC Storage Monitoring supports PATROL Agent v3.9 andhigher.

JAVA

TrueSight Operations Management - EMC Storage Monitoring requires Java 1.6 and a Java RunEnvironment (JRE) to be installed on the same system that the PATROL Agent.

You can download the Java Runtime Environment along with the monitoring solution from the Sentry Software Website.

EMC Storage SystemsEMC Symmetrix DMX Series (DMX-4, DMX-3, DMX-2)

EMC Symmetrix V-Max Series

EMC CLARiiON (CX4 Series, CX3 Series, CX Series)

EMC VNX series

EMC Celerra

EMC NAS 8.1.0

EMC SMI-S ProviderFor EMC Celerra: Embedded SMI-S Provider

For EMC CLARiiON and VNX: EMC SMI-S Provider v4.6

For EMC Symmetrix: EMC SMI-S Provider v8.0.3

http://www.sentrysoftware.com/Products/EMCKM_Downloads.asp

Prerequisites

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Prior to install TrueSight Operations Management - EMC Storage Monitoring, make sure that thefollowing elements are installed and properly configured:

PATROL Agent, version 3.9 or higher (see BMC PATROL documentation)

For EMC Celerra: Embedded SMI-S Provider

For EMC CLARiiON and VNX: EMC SMI-S Provider v4.6

For EMC Symmetrix: EMC SMI-S Provider v8.0.3

Java 1.6 (installed on the system where the PATROL Agent runs)

TrueSight Operations Management - EMC Storage Monitoring relies on OEM SMI-S Providers tocollect hardware and performance metrics about your EMC storage systems and bring them intoyour TrueSight Operations Management Console. In order to fully take advantage of all thecapabilities offered by the monitoring solution, make sure to perform the following procedures:

Installing EMC SMI-S Provider

Enabling Celerra SMI-S Provider

Additionally, to properly monitor the performance on EMC CLARiiON and VNX storage systems,you will need to enable the statistics.

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Installing EMC SMI-S ProviderThe solution leverages the EMC SMI-S Provider for CLARiiON and Symmetrix systems that needsto be installed on a Windows or Linux system. The following procedure explains in details howto get, install and configure EMC SMI-S Provider to enable TrueSight Operations Management -EMC Storage Monitoring to efficiently interact with it.

To monitor Symmetrix disk arrays it is strongly recommended using the SMI-S provider pre-installed inthe Management Console.

1. Install the EMC SMI-S Provider

1. Access the EMCs Online Support website: http://support.emc.com.

2. Log in with the User ID and Password provided by EMCs Online Support. If you do not havean account, you can register directly on EMCs Online Support website.

3. Click Downloads.

EMC Online Support - Welcome Page

http://support.emc.com

15 Installing EMC SMI-S Provider

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4. Type SMI-S Provider and click Enter.

EMC Online Support - Downloads Page

5. Download the SMI-S Provider executable file. It is recommended to download the x64package of the version 4.6 available for your operating system.

6. Launch the executable file.

7. Select the items required by EMC Solutions Enabler with SMI and click Install.

8. The EMC Solutions Enabler with SMI X64 welcome page appears. Click Next to begin theinstallation.

EMC Solutions Enabler with SMI X64 Welcome Page

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9. Select an install directory for EMC Solutions Enabler and click Next to continue. Please notethat it is recommended that you choose the default directory.

EMC Solutions Enabler with SMI X64 Destination Folder


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10. Select both Array Provider and Host Provider and click Next to continue.

EMC Solutions Enabler with SMI X64 - Provider List


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11. In the Service List dialog box, click Next.

EMC Solutions Enabler with SMI X64- Service List


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12. Click Install to begin installing files to your selected folder.

EMC Solutions Enable with SMI X64 Start Installation


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13. When the Installation Program Completed dialog box opens, click Finish to complete thesetup.

EMC Solutions Enable with SMI X64 Installation Program Complete


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14. When the installation procedure is complete, update your environment variable for path toinclude the EMCSolutions Enabler installation directory, which by default is C:\Program Files\EMC\SYMCLI\bin, in order to run the command line utilities from any directory.

2. Add CLARiiON/VNX Disk Array to the Installed SMI-S Provider

1. Navigate to the C:\Program Files\EMC\SYMCLI\storbin and run TestSmiProvider.exe.

2. For connection type, type ssl

3. For Host, type enter

4. Repeat the operation for Port, Username, Password, Log output to console, Log output tofile, and Logfile path:

5. Type addsystype y (yes)type 1 (Default for CLARiiON/VNX)type xxx.xxx.xxx.xxx (SPA IP Address of the CLARiiON/VNX array)type xxx.xxx.xxx.xxx (SPB IP Address of the CLARiiON/VNX Array)

type entertype 2 type 2 type the username (type a user that has at least a read access on the CLARiiON/VNX Array) type the password (password of the above user)

then type enter

5. A message meaning that the CLARiiON/VNX Array has been added is displayed as shown onthe picture below


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3. Add a User to SMI-S provider

1. Access https://:5989/ecomconfig, where is either the IP address of thename of the SMI-S Provider host

2. Log in using the username admin and #1Password as password.

3. Click Add User and create a user with the role of Administrator. This newly createdusername can now be used to obtain access to the Array Provider.

4. Add authorization information

1. Shut down the EMC CIM Server (The service name is ECOM.exe and it displays as ECOM in theServices control panel.)

2. Use the SYMCLI symcfg command, as shown in the following syntax example, to add theusername and password for each CLARiiON storage processor: >symcfg authorization add -host HostName -username UserName -password PassWord

3. Add authorization for CLARiiON storage processor A with IP address , username clariionand password clarpass, using the following command: symcfg auth add -host 172.23.193.86 -username clariion -password clarpass

4. Then, repeat the operation with CLARiiON storage processor B

You must list the information for storage processor A first, then storage processor B. Anytime a locally-attached CLARiiON is added to the EMC SMI-S Provider, the EMC CIM Servermust first be shut down. Once shut down, the authorization information can be added asdescribed previously and the EMC CIM Server must be restarted.

5. Start EMC CIM Server.

The time set on the SMI-S Provider may dif fer f rom the time of the PATROL Agent. To ensure an accuratetime information, it is recommended to synchronize the SMI-S Provider time with the time set on thePATROL Agent.

Enabling Celerra SMI-S ProviderTo monitor EMC Celerra storage systems, the solution leverages the Celerra SMI-S Provider. ThisSMI-S provider is installed by default when the base NAS software is installed in the directory /celerra/wbem on the Control Station.

To enable the Celerra SMI-S Provider on the Control Station:

1. Uncomment the following lines in the nas_mcd.cfg file:

# daemon "cim server"

# executable "/celerra/wbem/bin/start_cim_server"

# optional no

# autorestart yes

# cmdline "/celerra/wbem"

# daemon "cim conf"

https://:5989/ecomconfig

24Enabling Celerra SMI-S Provider

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# executable "/nas/sbin/dirsync"

# optional no

# autorestart yes

# cmdline "-all /celerra/wbem/conf/ /nas/site/ecom_config 360"

# daemon "SMISPlugin Log Trimmer"

# executable "/nas/sbin/log_trimmer"

# optional no

# autorestart yes

# ioaccess no

# cmdline "-n /nas/log/smis/SMISPlugin.log 1000 l 2 h t 4 y "

# daemon "SMIS securitylog.txt Log Trimmer"


# optional no

# autorestart yes

# ioaccess no

# cmdline "-n /nas/log/smis/securitylog.txt 1000 l 2 h t 4 y "

# daemon "SMIS HTTP_trace.log Log Trimmer"


# optional no

# autorestart yes

# ioaccess no

# cmdline "-n /nas/log/smis/HTTP_trace.log 1000 l 2 h t 4 y "

# daemon "SMIS cimomlog.txt Log Trimmer"


# optional no

# autorestart yes

# ioaccess no

# cmdline "-n /nas/log/smis/cimomlog.txt 1000 l 2 h t 4 y "

2. Restart the NAS services

/etc/rc.d/init.d/nas stop

/etc/rc.d/init.d/nas start

3. Start the CIM Server

Usage: start_cim_server

: /celerra/wbem

[root@emc-vnx ~]# /celerra/wbem/bin/start_cim_server /celerra/wbem

25 Enabling Celerra SMI-S Provider

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Enabling StatisticsOn EMC CLARiiON and VNX storage systems, the statistics need to be enabled to allow TrueSightOperations Management - EMC Storage Monitoring to monitor performance.

Using Navisphere1. In Navisphere, enable Statistics logging:

Open Navisphere

Right-click the icon for the storage system

Click Properties.

Be sure SP A and SP B are in the Storage Processors section

Click the box for Statistics Logging under the Configuration section

2. For locally attached CLARiiONs, check if authorization info is present

3. Run the dv command from EMC TestSMIProvider. Make sure all arrays are discoveredwithout any errors

4. Make sure performance is turned on in the Profile for storage arrays

5. Make sure there are instances for the CIM_BlockStorageStatisticalData class:

Run Tek-Tools testProvider or EMCs testSMIProvider

Type ein for command

Type CIM_BlockStorageStatisticalData for Class Name

If no instances are returned, reset EMC Provider

6. Once complete, resume steps 1-3.

If you are using a version older than SMIKit 6.4.2, the EMC SMI-S Provider does not recognize changes inthe array when a LUN or RAID Group is created or deleted from Navisphere. It is thus recommended toupgrade your EMC SMI-S Provider to version 6.4.2 or higher to benef it f rom the auto-synchronizationmechanism set by default to one hour after the last update. If you do not upgrade your EMC SMI-SProvider, you will have to run the refsys command from testsmiprovider each time you create or delete LUNor RAID groups f rom Navisphere.

26Enabling Statistics

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Using Unisphere1. Log on to the Unisphere console with the administrators account

Logging on to the Unisphere Console

2. Select the array from the System List

Selecting the array from the System List

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3. Under System Management, click Properties

Enabling Statistics Logging

4. In the General tab:

Check the Enable Statistics Logging box

Click Apply

Click OK to finish.

Installing the Monitoring Solution

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The installation can be handled from TrueSight Operations Management. Once the latest versionof the solution has been loaded into TrueSight Operations Management, administrators cancreate all the installation packages required for their different operating systems and platformsand save them for later use in the Monitoring Installation Packages list. These packages can thenbe deployed to multiple computers. Administrators just have to connect to TrueSight OperationsManagement from the server where they want to install the package, download it and launchthe installation.

This section describes the different steps to follow to install EMC Storage Monitoring:

Importing EMC Storage Monitoring into Central Monitoring Administration

Creating the Installation Package

Downloading the Installation Package

Installing the Package

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Importing the Monitoring Solutioninto Central AdministrationThe TrueSight Central Monitoring Repository includes the current versions of the BMC PATROLAgent and BMC PATROL Monitoring Solutions that you can use with BMC TrueSight. If the versionavailable in the Repository does not correspond to the latest one, you will have to manuallyimport it:

1. Log on to TrueSight Operations Management.

2. Click the Repository drawer and select Manage Repository.

3. Check that the version of the BMC component available is actually the latest one. If not,download the latest version corresponding to your operating system (Windows or UNIX/Linux) available on the Sentry Software Website and save it on the local computer fromwhich you are running the Central Monitoring Administration web-based console.

4. From TrueSight Operations Management, click Import .

5. Select Single solution.

6. Browse to the .zip source file.

7. Click Import.

The selected archive file is imported to the repository.

http://www.sentrysoftware.net/Products/index.asp

31 Importing the Monitoring Solution into CentralAdministration

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Creating the Installation PackageThe installation package to deploy to managed systems can be created directly from TrueSightOperations Management:

1. Log on to TrueSight Operations Management

2. Click the Repository drawer and select Deployable Package Repository.

3. Click Add .

4. Select the operating system and platform for which you want to create a package. Thecomponents available in the repository for the selected operating system and platform aredisplayed.

5. Select the Installation Package Component:

From the Available components list, select the relevant component.

From the Version list, select the latest version.

Click the right arrow button to move the component into the Selected Components list.By default, the appropriate BMC PATROL Agent for the operating system and platform thatyou chose is included in the Selected components list.

Click Next. The Add Component Installation Package wizard are displayed.

6. Go through the wizard and specify the required PATROL information. The InstallationPackage Details is displayed.

7. Verify that:

the operating system and platform are correct

the components that you want to include are listed in the Included Components list.

8. Provide the following information:

Name: Enter a unique name for the package.

(Optional) Description: Enter a description of the package. The description is displayed inthe Monitoring Installation Packages list on the Monitoring Repository window.

Format: Select a file compression format for the package.

9. Click Save Installation Package.

10. Click Close. The package is now available in the Monitoring Installation Packages list.

32Creating the Installation Package

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Downloading the Installation PackageYou can download an installation package and install the components on one or more hosts. Theinstallation runs silently with the information entered during package creation.

RecommendationIf you defined the BMC TrueSight Integration Service variable for PATROL Agents in theinstallation package, ensure the agents are started in phases. Do not start newly deployedagents all at once. Start and configure monitoring for the agents in planned phases to reducethe performance impact on the Integration Service nodes and on the BMC TrueSight Serverassociated with the automatic workflow process.

1. Log on to TrueSight Operations Management from the computer on which the PATROL Agentis installed or to be installed.

2. Click the Repository drawer and select Deployable Package Repository.

3. (Optional) To filter the list of installation packages, select an operating system from the Filter by Operating System list.

4. Click the link for the installation package that you want to download.

5. Through the browser's download dialog box, save the installation package.

Installing the PackageThis chapter provides a step by step procedure to install a monitoring solution package:

1. From the computer on which you want to install the package, log on to TrueSight OperationsManagement.

2. (Optional) To filter the list of installation packages, select an operating system from the Filter by Operating System list.

3. Click the link for the installation package that you want to download.

4. Through the browser's download dialog box, save the installation package in a temporaryfile.

5. Extract the installation package as appropriate for your operating system. The package isextracted to the bmc_products directory on the current host.

6. From the bmc_products directory, run the installation utility for your operating system:

(UNIX or Linux) RunSilentInstall.sh

(Microsoft Windows) RunSilentInstall.exe

The package is installed on the current host. If the package includes a BMC PATROL Agent, theagent sends a configuration request by passing its tags to Central Monitoring Administration, viathe Integration Service. Central Monitoring Administration evaluates policies that match thetags, determines the final configuration to be applied, and sends the configuration informationback to the agent. Monitoring is based on the configuration information received by the agent.

Configuring After Installation

34Configuring Monitor Settings

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Configuring Monitor SettingsTo configure monitor settings:

1. Log on to Central Monitoring Administration.

2. Create a Monitoring Policy:

In the Navigation pane, click the Policies drawer.

Expand the Monitoring folder and select a policy view (e.g. All).

Click . The Monitoring Policy Configuration wizard is displayed.

Define the general policy details and select the agent. For more information, refer to theBMC TrueSight Operations Management Documentation.

Click Next to configure the monitor.

3. Click .

4. Specify the Monitoring Solution to be configured:

From the Monitoring Solution pull-down list, select EMC Storage.

From the Version menu, select the required version.

EMC Storage Configuration - Adding Monitor Types

35 Configuring Monitor Settings

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5. Enter the Connection Settings to the EMC SMI-S Provider:

Hostname: hostname of the system where the EMC SMI-S Provider is running

Port Number: By default, the EMC SMI-S Provider runs on port 5989 when the encryptionoption is enabled, or on port 5988 when the encryption is disabled.

Encryption: Select this option to encrypt the connection.

Enter the WBEM Credentials that will be used to connect to the EMC SMI-S Provider.

EMC Storage Configuration - Global Settings

5. (Optional) Configure the following options:

In the Discovery Interval field, specify the frequency in minutes of the discovery process.By default, the solution runs a discovery every 60 minutes.

In the Polling Interval field, indicate how often new data is collected. By default, thepolling interval is set to 2 minutes.

Check the Disable Volumes Monitoring box if you want to limit the number of instancescreated and therefore reduce the system resource consumption. Discovery and collectrequests and operations will no longer be performed.

Specify the volumes to be excluded (Exclude Volumes field) or included (Keep OnlyVolumes field). You can either enter the volumes names or a regular expression.

EMC Storage Configuration - Additional Options

In the Discovery Timeout field, specify the number of minutes after which the discoveryshould be stopped. By default the discovery timeout is set to 6000 minutes. When thetimeout is reached, the Collection Status attribute of the EMC Disk Array KM monitor typeis set to 2 (Failure) and triggers an alert.

In the Collect Timeout field, specify the number of minutes after which the collect shouldbe stopped. By default the collect timeout is set to 6000 minutes. When the timeout is


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reached, the Collection Status attribute of the related instance of the EMC SMI-S Providermonitor type is set to 2 (Failure) and triggers an alert.

6. Click Add to List to save the new connection to the EMC SMI-S Provider.


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7. (Optional) Click the Advanced Settings button if you need to:

enable the debug mode

set advanced configuration variables

EMC Storage Configuration - Advanced Settings

8. (Optional) Click the Schedule button if you need to schedule automatic reports.

EMC Storage Configuration - Scheduling Automatic Reports

9. (Optional) Click the Alert Actions button if you need to indicate the specific actions to beexecuted when a storage problem is detected.

EMC Storage Configuration - Global Alert Settings

10. Click Add. If the monitor configuration has been successfully added, click Close.

11. Click Finish to save your monitoring policy.

Enabling the Debug ModeWhen you encounter an issue and wish to report it to Sentry Software, you will be asked toenable the Debug Mode and provide the debug output to the Sentry Software support team.

To enable the debug mode1. Log on to Central Monitoring Administration.

2. Edit the Monitoring Policy that applies to the PATROL Agent for which you need to enablethe debug mode:



Select your policy and click .

Click the Monitor Configuration link.

Select the EMC Storage Monitor Type and click .


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3. Click the Advanced button.

Enabling the Debug Mode

4. Check the Enable Debug Mode option. The solution will store debug information in a log file.By default debug files are stored in the %PATROL_HOME%\log folder

5. In the Debug End Time field, enter the date and time at which the system must stop loggingdebug information. Required format: yyyy/mm/dd hh:mm:ss.

6. Click Close to save your settings.

For the debug mode to be enabled, the Enable Debug Mode must be checked and the Debug End Timemust be properly set to a date and time in the future.


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Setting Advanced Configuration VariablesAdvanced configuration variables are used to manually set variables that are normally notavailable through the standard interface.

These variables should only be set when instructed so by Sentry Software Support.

To configure a variable1. Log on to Central Monitoring Administration.

2. Edit the Monitoring Policy that applies to the PATROL Agent for which to need to configurevariables:







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3. Click the Advanced button.

Configuring variables

4. In the Configuration Variables section, enter the configuration variables you need toconfigure and enter the value to be set:

The Name field is case sensitive.

Variables DefaultValue

Description

collectionHubHeapSizeMax

1024 Maximum heap size in megabytes allocated to the Java Collection Hub.


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Description

collectionHubHeapSizeMin

None Minimum heap size in megabytes allocated to Java Collection Hub.

collectionHubOverrideJavaCommandLine

None Command line used by the monitoring solution to launch the JavaCollection Hub. This variable should only be set if instructed by SentrySupport.

defaultReinitializationOptions

None List of default options to be executed by TrueSight OperationsManagement - EMC Storage Monitoring on reinitialization.

resetThresholds

resetThresholdManagementMode

resetAlertActions

resetOtherAlertSettings

resetDebugMode

resetRemovedPausedObjectList

resetReport

resetSecuritySettings

resetJavaSettings

Insert a colon ; between the variable and its value: resetThresholds;1;and if you enter multiple variables, they need to be separated by acarriage return.Example: resetThresholds;1 will display the remove thresholds optionselected by default in the Reinitialize KM wizard.

disableJRECheck 0 = JREvalidationtestsenabled

When set to 1, disable the validation tests of the JRE used by themonitoring solution to run Java code. This can be used to force the KM touse a non-Sun or non-Oracle JRE.

disablePslExecuteBugWorkaround

0 =activated

When set to 1, deactivates the workaround in the monitoring solution fora bug in the PslExecute() PSL function. If the product detects that the version of the PATROL Agent is affected bythe PslExecute() bug, it uses an alternate technique to createasynchronous threads with the event_trigger() function and the RemPslstandard event. The disablePslExecuteBugWorkaround variable disablesthis workaround.

forceClassicConfigMode

0 =disabled

When the product is used with BMC TrueSight Operations Management,all the KM configuration menus are disabled in the PATROL Consoles. Toenable them, set the forceClassicConfigMode variable to 1.

javaPassword None Password associated to the javaUsername variable.

javaPath None Path to the folder containing the Java executable used by the CollectionHub. Path to the folder containing the Java executable used by theCollection Hub.

javaUsername None Username used to launch the Java Collection Hub.

pausedObjectList n/a List of the PATROL object path of the paused objects. (i.e. for which nocollection will be performed).


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Description

psCommand n/a Command used on UNIX/Linux systems to retrieve the list of the currentlyrunning processes.Note: This command is used for debug purpose.

removedObjectList

n/a List of instances that have been removed from the monitoring environmentthrough the Remove KM Command.

retryDiscoveryAfterNTimes

5 To specify the maximum number of retries when the discovery fails.

startupDelay 0 second To specify the number of seconds that TrueSight Operations Management -EMC Storage Monitoring will wait before starting its discovery. Thisvariable may be useful on fast booting computers where the EMC SMI-SProvider starts after the monitoring solution and triggers an alert.

5. Click Add to List.


You can easily modify or remove a variable by selecting it in the list and clicking either the Modify Selection or the Remove from List buttons.

Configuring Alert ActionsEMC Storage Monitoring allows you to configure specific alert actions to be executed when aproblem occurs:


2. Edit the Monitoring Policy that applies to the PATROL Agent for which to need to configurevariables:






3. In the Global Alert Settings section, click Alert Actions.

Configuring Alert Actions

4. Select the type of event you want the solution to perform Upon a Storage Problem:

A STD 41 PATROL Event

A Specific PATROL Event

No Event


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These events are generated every time a threshold is exceeded. They contain a full Storage Health Reportdetailing the fault that has occurred.

5. (BPPM 9.5 and higher) Check the Enable Annotations option to make the solution annotatethe attributes graph with a comprehensive report of the problem.


7. In the Add Monitor Types dialog box, click Add. If the monitor configuration has beensuccessfully added, click Close.

8. Click Finish to save your monitoring policy.

Scheduling Automatic ReportsTrueSight Operations Management - EMC Storage Monitoring can automatically produce textreports about the monitored storage systems.

To schedule automatic reports1. Log on to Central Monitoring Administration.

2. Edit the Monitoring Policy that applies to the PATROL Agent for which to need to scheduleautomatic reports:






3. Click the Schedule button.

Scheduling automatic reports


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4. In the Schedule section, indicate the time at which the report(s) must be generated.

5. Check the Activity report type to automatically generate the following reports:

Disk Array Activity: Reports on Read and Write Bytes for all monitored disk arrays

Controller Activity: Reports on Transfer Bytes for all monitored controllers

Fiber Port Activity: Reports on Transfer Bytes for all monitored fiber ports

Storage Pool Activity: Reports on Read and Write Bytes for all monitored storage pools

Volume Activity: Reports on Read and Write Bytes for all monitored volumes

Disk Group Activity: Reports on Read and Write Bytes for all monitored disk groups

Disk Activity: Reports on Read and Write Bytes for all monitored disk

6. Check LUNs Mapping Table to automatically generate a mapping table of LUNs to hosts. The.csv file generated for this report consists in the following comma-separated data: Array,Hostname, Host, WWN, LUN, FC Ports, Size and Status.


The generated file(s) are time-stamped and stored in %PATROL_HOME%\log as csv files for thespecific time set through the History Retention Period attribute.

Updating a policy that set the scheduling options of a report purges the report configuration variablesand stops the report process

The history retention period can be set f rom the PATROL Console or f rom the PATROL Agent using aconf iguration variable. The default collection (retention) period is one day. Whenever a stored attributevalue exceeds its retention period, it is automatically deleted from the attribute history f ile. Refer to BMCdocumentation for details.

Configuring ThresholdsWhen you are creating or editing a policy, you can add and configure monitor thresholds. The Add Instance Thresholds dialog box presents threshold configuration fields for TrueSightOperations Management monitors that are configured through Central MonitoringAdministration.

For details about baselines and Key Performance Indicators (KPI), see TrueSight OperationsManagement or Central Monitoring Administration user documentation or refer to the Managing Baselines and Key Perf ormance Indicators chapter. For details about the monitoredattributes, refer to the specific monitor type in the Ref erence Guide chapter.

Before you begin

Ensure that your monitor configuration is complete before thresholds are applied. Thresholds

45 Configuring Thresholds

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cannot be applied to monitors that are not configured through Central MonitoringAdministration. If you have not done so already, please refer to the Configuring Monitor Settingschapter.

Recommended Thresholds

Thresholds define acceptable high and/or low values for the data collected. Thresholds can becreated as part of a policy that can be applied to multiple monitor types on multiple BMC PATROLAgents.

The Ref erence Guide chapter provides a list of monitor types with their respective attributes andthe thresholds applied by default.

Do not set server thresholds for availability or Boolean oriented parameters or any other parameters thatwill have events generated for them by the PATROL Agents.

Configuring Monitor ThresholdsTo configure monitor thresholds:


2. Edit the Monitoring Policy that applies to the PATROL Agent for which you need to configurethresholds:

In the Navigation pane, click the Policies drawer



3. Check the Server Threshold Configuration box.

4. Click the Server Threshold Configuration link.

5. In the Server Threshold Configuration page, click .

6. Select the relevant Solution, Version, and Monitor Type.

7. In the Instance Name field, specify the instance to which the threshold configuration will beapplied. You can either use a string or the following regular expression patterns: ?, +, *, ( ), |, [ ], { }, , $,

8. Check the Match Device Name box if you want the entire \string to be considered.

9. From the Attribute list, select a monitor attribute.

10. In the Threshold section:

Select the threshold type.

Set the threshold parameters values.

Click Add.

46Configuring Thresholds

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11. Resume the procedure to configure all the monitor thresholds required.

12. Click Close. The configuration details are displayed in the Server Threshold Configurationpage.

13. Click Finish.

New threshold configurations are pushed to BMC PATROL Agents with matching CentralMonitoring Configuration tags, IP address, hostname, etc.

Editing a Threshold ConfigurationTo edit a threshold configuration:


2. Edit the Monitoring Policy that applies to the PATROL Agent for which you need to editthresholds:





4. On the Server Threshold Configuration page, select an Instance Name and click .

5. Edit the threshold configuration values and click Update.

6. When you finish editing the threshold configuration, click Close.

7. Click Finish.

Updated threshold configurations are pushed to BMC PATROL Agents with matching CentralMonitoring Configuration tags.

Deleting a Threshold ConfigurationTo delete a threshold configuration:


2. Edit the Monitoring Policy that applies to the PATROL Agent for which you need to editthresholds:





4. On the Server Threshold Configuration page, select an Instance Name and click

5. Click Yes to confirm deletion.

6. After you delete one or more threshold configurations, click Finish to save changes to thepolicy. Deleted threshold configurations are removed from BMC PATROL Agents withmatching Central Monitoring Configuration tags.

Monitoring your StorageEnvironment

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Monitoring EMC storage systems with TrueSight Operations Management - EMC StorageMonitoring is very simple. Once the monitoring solution is properly installed and configured,EMC Storage Monitoring automatically detects the various EMC storage features andcomponents and displays them in the Operations Console.

EMC Storage Monitoring can for example help you:

Detect high processor utilization

Diagnose a bad disk layout

Diagnose slow volumes

Monitor Hardware

Reclaim space of unused volumes

The procedures were performed with BMC ProactiveNet Performance Management v.9.5. They maytherefore be slightly different for BMC TrueSight Operations Management v10.

Detecting High Processor UtilizationDetecting a high processor utilization is important to prevent controllers overloading that canlead to unpredictable performance degradations. To detect high processor utilization withBPPM, you can create a specific view to compare Processor Utilization and the Transfer Byte Rateattributes of all the controllers in your EMC storage systems and then determine which one mayconstitute a bottleneck.

Creating a High Processor Utilization View

Step 1: Display the Devices List as a Grid

1. Log on to the BMC ProactiveNet Operations Console.

2. Display the list of devices monitored by BPPM:

In the Navigation frame, select the Main drawer.

Click Devices.

Click to display the list of devices in a grid.

49 Detecting High Processor Utilization

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Displaying devices in a grid

3. In the Devices drawer, click the first disk array for which you need to compare thecontrollers' processor utilization.

Selecting a disk array

4. The list of monitors for disk array is displayed. Expand the Controllers monitor.

Displaying the EMC Controllers

50Detecting High Processor Utilization

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5. Click for the first listed node.

6. By default, the Operation Rate and the Processor Utilization attributes are displayed. Youwill need to modify the attributes selection to display the ones you need :

Click the Attributes & Indicators tab.

Deselect the Operation Rate attribute.

Check the Transfer Byte Rate box. Make sure that the Processor Utilization attributeremains selected.

Selecting the Attributes to Display in the Graph

7. Click Generate Graph(s).

51 Detecting High Processor Utilization

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8. Add the graph to the view. Click . The following pop-up is displayed:

Adding a Graph to View

9. Create the view to which you want to add the graph to

Naming a View

10. In the View Title field, type the name of the view (ex: EMC Storage System High ProcessorUtilization) and click Add View. The View created successfully message appears. Click Close.

11. The High Processor Utilization view is now created and available under the Views & Graphsdrawer in the Navigation pane.

12. Resume the procedure to add to this view the Processor Utilization attributes of all thecontrollers in your EMC disk array.

Once all graphs are stored in the view, it becomes easy to compare the controllers' respective Processor Utilization and Transfer Byte Rates. Ensure that the Processor Utilization is lower than80%. A processor utilization over 80% means that this controller is overloaded and that itconstitutes a bottleneck for the storage system.

Verify the Transfer Byte Rate of your controllers. If the value of this attribute stays low whilethe overall processor utilization is high it indicates that the node is performing "nonproductive" tasks. It then may become critical to determine the source of activity that generatesthe high processor utilization.

52Diagnosing a Bad Disk Layout

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Diagnosing a Bad Disk LayoutA non-optimal physical disk layout can cause one single physical disk to become the bottleneckof a SAN. To verify that the I/Os are well-balanced across all physical disks, you can create aspecific view in BPPM that will display the Read Byte Rate and Write Byte Rate attributes of eachphysical disk in your EMC storage systems.

Creating the Bad Disk Layout View1. Log on to the BMC ProactiveNet Operations Console.



Click Devices.


3. Click the first disk array for which you need to compare the physical disks utilization.

Selecting a Device

4. The list of monitors for your device is displayed. Expand Physical Disks.

Displaying the EMC Physical Disks

53 Diagnosing a Bad Disk Layout

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5. Click for the first listed physical disk.

6. By default, the Response Time and Status attributes are displayed. You will need to modifythe attributes selection to display the ones you need:


Deselect the Response Time and Status attributes.

Select the Read Byte Rate and the Write Byte Rate attributes.

Selecting the Attributes to Display in the Graph

Click Generate Graph(s)

7. Add the graph to the view:

Click . The following pop-up is displayed:

54Diagnosing a Bad Disk Layout

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Adding a Graph to View - Step 1

Click Add to View.


In the View Title field, type Bad Disk Layout and click Add View. The View createdsuccessfully message appears. Click Close.

8. The Bad Disk Layout view is now created and available under the Views & Graphs drawer inthe Navigation pane.

9. Resume the procedure to add to the view the Read Byte Rate and the Write Byte Rateattributes of all the physical disks in your EMC storage system.

Displaying the Bad Disk Layout View

55 Diagnosing a Bad Disk Layout

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Verify that the I/Os are well-balanced across all physical disks. Make sure that the Read ByteRate and Write Byte Rate attributes of all the physical disks have similar average values.

Diagnosing Slow VolumesIf a system administrator complains that his servers are experiencing slow I/Os performance andthat it is caused by the SAN, you may want to verify the actual response time of the volumes theserver is relying on.

The Response Time attribute of the Volume monitor type represents the average time it took tocomplete the read and write operations on the volume during the collection interval. Typically,the average response time is below 10 milliseconds. You may also want to compare this value tothe response time of the other volumes to see whether one server is really getting worse I/Operformance than another.

Creating the Slow Volumes View1. Log on to the BMC ProactiveNet Operations Console.



Click Devices.


3. Click the device for which you need to create the Slow Volumes view.


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4. The list of monitors for your device is displayed. Expand Volumes.

Displaying volumes

5. Click for the first listed volume.

6. By default, the Operation Rate and Transfer Byte Rate attributes are displayed. You will needto modify the attributes selection to display the ones you need:


Deselect the Operation Rate and Transfer Byte Rate attributes.

Select the Response Time attribute.

57 Diagnosing Slow Volumes

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58Diagnosing Slow Volumes

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Click Add to View.


In the View Title field, type Slow Volumes and click Add View. The View createdsuccessfully message appears. Click Close.

8. The Slow Volumes view is now created and available under the Views & Graphs drawer inthe Navigation pane.

9. Resume the procedure to add to the view the Response Time attributes of all the volumesthat compose the EMC storage system.

If the response time is low, you will need to check the amount of data that is written and read onthis volume. The bad performance may simply be due to an abnormally large amount of data toprocess.

59 Diagnosing Slow Volumes

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Monitoring HardwareTo monitor the health of your hardware components you can create a specific view that willdisplay the hardware attributes for all the batteries, fans, and power supplies in your EMCStorage Systems.

Creating the Monitoring Hardware View1. Log on to the BMC ProactiveNet Operations Console.



Click Devices.


3. Click the device for which you need to create the Hardware Monitoring view.

Selecting a Device

Step 1: Displaying the Batteries Status1. The list of monitors for your device is displayed. Expand Batteries.

Expanding the Batteries Monitor Type

60Monitoring Hardware

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2. Click for the first listed battery.

3. In the Attributes & Indicators tab, make sure the Status attributes is selected and clickGenerate Graph(s):

Battery Status Graph

4. Add the graph to the view



In the Graph Name field, enter Battery Status .

Click Add to View.

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In the View Title field, type Monitoring Hardware and click Add View. The View createdsuccessfully message appears. Click Close.

5. Resume the procedure for all the monitored batteries.

Step 2: Displaying the Fans Status

1. In the Main drawer of the BMC ProactiveNet Operations Console, click Devices.

2. Click the relevant device.

3. The list of monitors for your device is displayed. Expand Fans.

4. Click for the first listed battery.


Battery Status Graph




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In the Graph Name field, enter Battery Status .

Click Add to View.


In the View Title field, type Monitoring Hardware and click Add View. The View createdsuccessfully message appears. Click Close.

7. Resume the procedure for all the monitored batteries.

Step 2: Displaying the Fans Status

1. In the Main drawer of the BMC ProactiveNet Operations Console, click Devices.

2. Click the relevant device.

3. The list of monitors for your device is displayed. Expand Power Supplies.


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Expand Power Supplies Monitor Type

4. Click for the first listed power supplies.


Fan Status Graph




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In the Graph Name field, enter EMC Power Supply .

In the Add to View field, select the Monitoring Hardware view

Click Add to View. The Graph added successfully message appears. Click Close.

7. Resume the procedure for all the monitored fans.

Identifying Hardware Issues with the Monitoring Hardware view

The "Monitoring Hardware" view can help you:

Diagnose Electrical Issues

Manage Cooling Issues

Diagnosing Electrical Issues

Understanding the basics of the electrical distribution system will help IT administratorsdiagnose data center electrical issues. Power is delivered to a data center by the local utilitycompany. Once inside the building, the utility power goes to the Automatic Transfer Switch andto the uninterruptible power supply (UPS) units. These units clean the incoming utility systembefore passing it to power distribution units (PDUs) for conversion. Power will finally bedistributed to electrical outlets and servers. During the distribution, power loss or instability canoccur.

After hard drives, the power supply is the device that is most likely to fail. The proper operationof this device highly depends on the quality of the data center electrical distribution. Indeed,voltage fluctuations are detrimental to power supplies: they can shorten their life span or impairthem.

To monitor power supplies:


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1. Display the Monitoring Hardware View:

In the Navigation pane of the BMC ProactiveNet Operations Console, click the Views &Graphs drawer

Click Monitoring Hardware.

2. This view displays all the Status attributes for all the devices you have previously added.Verify the Power Supply Status graphs of all your monitored power supplies. Severaldegraded power supplies may reveal an issue on the data center electrical distribution.

EMC Hardware Monitoring View

Managing Cooling Issues

Even though data centers and servers are cooled with air conditioning and fans, computingsystems may be overheated. Because overheating will lead to a general instability, the EMCStorage Monitoring solution monitors the fans sensors.

The temperature of the interior of the case of a storage system is controlled with fans. Toprevent ambient temperature to get too high, ensure the fan is properly working:

1. Display the Monitoring Hardware View:

In the Navigation pane of the BMC ProactiveNet Operations Console, click the Views &Graphs drawer

Click Monitoring Hardware.


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2. This view displays all the Status attributes for all the devices you have previously added.Verify the Fan Status graphs of all your monitored fan sensors to make sure the fan isavailable and spinning. Cooling might not be sufficient if the fan does not perform properly.

A degraded fan should be replaced immediately.


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Reclaiming Space of Unused VolumesOver time, as servers connected to a SAN get decommissioned, administrators find an increasingnumber of volumes that are no longer used by any server. These LUNs, while unused, still occupydisk space in the disk array. Being able to identify such volumes and reclaim the disk spaceuselessly consumed by these devices will help administrators avoid unnecessary upgrades andextensions of their disk arrays.

Creating the Unused Volumes View1. Log on to the BMC ProactiveNet Operations Console.



Click Devices.


3. Click the device for which you need to create the Unused Volumes view.


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4. The list of monitors for your device is displayed. Expand Volumes.

Displaying volumes

5. Click for the first listed volume.

6. By default, the Operation Rate and Transfer Byte Rate attributes are displayed. You will needto modify the attributes selection to display the ones you need:


Deselect the Operation Rate and Transfer Byte Rate attributes.

Select the Time Since Last Activity attribute.

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Click Add to View.


In the View Title field, type EMC Storage System Unused Volumes and click Add View. TheView created successfully message appears. Click Close.

8. The Unused Volumes view is now created and available under the Views & Graphs drawer inthe Navigation pane.

9. Resume the procedure to add to the view the Time Since Last Activity attributes of all thevolumes in your EMC storage system.

Storage space in volumes with a high Time Since Last Activity value can be reclaimed. The freedstorage space is then available for other file systems created in a given storage pool.

Reference Guide

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Introduction

This chapter provides statistical information about resources, operating status, andperformances managed by the TrueSight Operations Management - EMC Storage Monitoring. Itcontains tables describing the attributes used in the monitoring solution, grouped by MonitorTypes, and provides a brief description of each attribute and its default settings.

Baselines and Key Performance Indicators

Some attributes are identified by default as Key Performance Indicators (KPIs) and thereforeautomatically included in the base lining calculation. To learn more about auto baselining andKPIs, please refer to the Managing Baselines and Key Performance Indicators chapter.

In this guide, attributes flagged as KPIs and included by default in the baseline calculationprocess are respectively identified by the following icons:

KPI

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EMC Disk ArrayAttributes

Name Description Units RecommendedAlert Conditions

Attribute Type

AvailableCapacity

Number of terabytes available in thearray (available capacity in storagepools plus the total space availablefor storage pool creation).

Terabytes (TB)

None Statistics

Operation Rate* Total number of operations persecond.

operations/s

None Statistics

Port Count Number of ports in the disk array. ports None Statistics

Read Byte Rate Bytes read per second to the arraysince the last collect.

Megabytes persecond(MB/s)

None Statistics

Read OperationRate

Number of read operations persecond.

operations/s

None Statistics

Spare Disk Count Number of spare disk available inthe array.

disks Warning = 0 Statistics

Status Status of the disk array. {0=OK;1 =Degraded; 2 =Failed}

Warning = 1Alarm = 2

Availability

SubscribedCapacity

Number of terabytes reserved in thearray .

Terabytes (TB)

None Statistics

Transfer ByteRate*

Total bytes transferred per second(sent and received).


None Statistics

Write Byte Rate Bytes written per second to the arraysince the last collect.


None Statistics

Write OperationRate

Number of write operations persecond.

operations/s

None Statistics

* Attributes marked with an asterisk are used by default when visualizing the corresponding monitor instance inTrueSight Operations Management.

For detailed information about KPI, see Managing Baselines and Key Performance Indicators.

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EMC Disk Array KMAttributes


Attribute Type

Collection Status Status of the collection. {0 = OK;1 =Degraded; 2 =Failed}

None Collection Status

EMC BatteryAttributes


Attribute Type

Present Indicates whether the device is present ornot since the last discovery.

{0 = No; 1= Yes}

Warning = 0 Availability

Status* Status of the device. {0=OK; 1 =Degraded;2 =Failed}


Availability


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EMC CIFS ServerAttributes

This Monitor type is only available for EMC Celerra storage systems


Attribute Type

Status Status of the device. {0=OK; 1 =Degraded;2 =Failed}


Availability


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EMC ControllerAttributes

Name Description Units RecommendedAlertConditions

Attribute Type

Cache DirtyPagesPercentage

Percentage of dirty pages currently incache, that is, pages that have beenmodified in the SPs write cache, but thathave not yet been written to disk. A highpercentage of dirty pages means the cacheis handling many write reque

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