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Manage LUNS vnx 5200

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  • Here is Your Customized Document

    Your Configuration is:

    Manage LUNs

    Model - VNX5200Storage Type - VNX for Block (SAN)Connection Type - Fibre Channel DirectServer Operating System - Windows Server 2008Path Management Software - PowerPath

    Document ID - 1386864476235

    Reporting Problems

    To send comments or report errors regarding this document,please email: mydocs@emc.com.For Issues not related to this document, contact your service provider.Refer to Document ID:1386864476235Content Creation Date December 12, 2013

  • This guide describes how to manage LUNS within Unisphere for EMC VNX platforms.

    Topics include:

    Starting Unisphere..................................................................................................................................................3Configuring cache with Unisphere.......................................................................................................................5Enabling storage groups with Unisphere............................................................................................................6Verifying that each LUN is fully initialized using Unisphere..........................................................................7Allocating storage on a new system with the Unisphere LUN Provisioning Wizard..................................9Create pool LUNs..................................................................................................................................................11Create classic LUNs...............................................................................................................................................13Create a LUNs folder............................................................................................................................................15Add LUNs to folders.............................................................................................................................................16Remove LUNs from a folder................................................................................................................................17Set LUN properties................................................................................................................................................18Set classic LUN write cache or FAST Cache properties...................................................................................19Auto assign for a LUN..........................................................................................................................................20Default owner of a LUN.......................................................................................................................................21Source LUN............................................................................................................................................................22Destination LUN definition.................................................................................................................................23Verify priority for a LUN......................................................................................................................................24Rebuild priority for a LUN..................................................................................................................................25Start the Storage Expansion wizard....................................................................................................................26LUN migration overview.....................................................................................................................................28Start a LUN migration..........................................................................................................................................29Cancel (stop) a LUN migration...........................................................................................................................30Display the status of active LUN migrations....................................................................................................31Creating storage groups with Unisphere...........................................................................................................32Making LUNs visible to a Windows server or Windows virtual machine with NICs................................33Verifying that PowerPath for Windows servers or Windows virtual machines sees all paths to theLUNs.......................................................................................................................................................................34

    EMC

    Managing LUNs on your VNX5200

  • Starting Unisphere

    1. Log in to a host (which can be a server) that is connected through a network to the systemsmanagement ports and that has an Internet browser: Microsoft Internet Explorer,Netscape, or Mozilla.

    2. Start the browser.

    3. In the browser window, enter the IP address of one of the following that is in the samedomain as the systems that you want to manage:

    A system SP with the most recent version of the VNX Operating Environment (OE)installed

    Note: This SP can be in one of the systems that you want to manage.

    A Unisphere management station with the most recent Unisphere Server and UIsinstalled

    Note: If you do not have a supported version of the JRE installed, you will be directed to the Sunwebsite where you can select a supported version to download. For information on the supportedJRE versions for your version of Unisphere, refer to Environment and System Requirements in theUnisphere release notes on the EMC Online Support website.

    4. Enter your user name and password.

    5. Select Use LDAP if you are using an LDAP-based directory server to authenticate usercredentials.

    If you select the Use LDAP option, do not include the domain name.

    When you select the LDAP option, the username / password entries are mapped to anexternal LDAP or Active Directory server for authentication. Username / password pairswhose roles are not mapped to the external directory will be denied access. If the usercredentials are valid, Unisphere stores them as the default credentials.

    6. Select Options to specify the scope of the systems to be managed.

    Global (default) indicates that all systems in the domain and any remote domains can bemanaged. Local indicates that only the targeted system can be managed.

    7. Click Login.

    When the user credentials are successfully authenticated, Unisphere stores them as thedefault credentials and the specified system is added to the list of managed systems inthe Local domain.

    Starting Unisphere 3

    Starting Unisphere

  • 8. If you are prompted to add the system to a domain, add it now.

    The first time that you log in to a system, you are prompted to add the system to aUnisphere domain. If the system is the first one, create a domain for it. If you alreadyhave systems in a domain, you can either add the new system to the existing domain orcreate a new domain for it. For details on adding the system to a domain, use theUnisphere help.

    4 Managing LUNs on your VNX

    Starting Unisphere

  • Configuring cache with Unisphere

    1. From Unisphere, select All Systems System List.

    2. From the Systems page, right-click the entry for the system for which you want to verifycache properties and select Properties.

    3. Enable or configure the cache as described in the Unisphere online help.

    Note: The latest version of Unisphere automatically sets the read and write cache sizes. If yoursystem is running an older version of Unisphere, refer to the system's version of the online helpfor advice on setting read/write cache values and setting watermarks.

    Configuring cache with Unisphere 5

    Configuring cache with Unisphere

  • Enabling storage groups with Unisphere

    You must enable storage groups using Unisphere if only one server is connected to thesystem and you want to connect additional servers to the system.

    1. From Unisphere, select All Systems System List.

    2. From the Systems page, right-click the icon for the system, and click Properties.

    3. Click the General tab, and select Storage Groups.

    4. Click OK.

    6 Managing LUNs on your VNX

    Enabling storage groups with Unisphere

  • Verifying that each LUN is fully initialized using Unisphere

    Although the storage group with a new LUN is assigned to the server, the server cannot seethe new LUN until it is fully initialized (completely bound). The time the initializationprocess takes to complete varies with the size of the LUN and other parameters. While aLUN is initializing, it is in a transitioning state, and when the initialization is complete, itsstate becomes ready.

    To determine the state of a LUN:

    1. From Unisphere, navigate to the LUN you want to verify (Storage LUNs).

    2. Right-click the LUN and click Properties.

    3. Verify that the state of the LUN is Normal.

    If the state is Transitioning, wait for the state to change to Ready before continuing.

    Verifying that each LUN is fully initialized using Unisphere 7

    Verifying that each LUN is fully initialized using Unisphere

  • MetaLUNs overview

    MetaLUNS are available for classic LUNs only.

    Important: EMC strongly recommends that you do not expand LUN capacity by concatenating LUNsof different RAID types. Do this only in an emergency situation when you need to add capacity to aLUN and you do not have LUNs of the same RAID type or the disk capacity to create new ones.Concatenating metaLUN components with a variety of RAID types could impact the performance ofthe resulting metaLUN. Once you

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