01-09 database backup and restoration

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iManager N2000 DMS Datacomm Network Management System

Administrator Guide Contents

Issue 02 (2007-10-15) Huawei Technologies Proprietary i

Contents

9 Database Backup and Restoration ..........................................................................................9-1

9.1 Database Backup Tool...................................................................................................................................9-2

9.1.1 Backup Policy ..................................................................... ................................................................. 9-2

9.1.2 Backup Medium...................................................................................................................................9-2

9.1.3 Backup Path .................................................................. ................................................................ .......9-2

9.1.4 Starting the Database Backup Tool ............................................................. .........................................9-3

9.2 Manual Backup .......................................................... .................................................................. .................9-5

9.2.1 Manual Backup Flow Chart ..................................................................... ............................................9-5

9.2.2 Configuring a Database Set..................................................................................................................9-7

9.2.3 Configuring a Backup Device..............................................................................................................9-8

9.2.4 Backing Up the DMS Database Manually ......................................................................... ..................9-9

9.3 Automatic Backup.........................................................................................................................................9-9

9.3.1 Automatic Backup Flow Chart.............................................................................................................9-9

9.3.2 Configuring an Automatic Backup Policy ..................................................................... .................... 9-11

9.3.3 Configuring an Automatic Backup Task ................................................................... .........................9-12

9.4 Restoring the Database................................................................................................................................9-12

9.4.1 Restoring Database Flow Chart .............................................................. ...........................................9-12

9.4.2 Stopping DMS Service Processes ................................................................................. .....................9-13

9.4.3 Restoring Backup Date .................................................................. .................................................... 9-14

9.4.4 Restarting DMS Service Processes .......................................................................... ..........................9-14

9.5 Query the Backup and Restoration Logs.....................................................................................................9-15

9.6 Viewing Database Details ................................................................ ........................................................... 9-15


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Figures

iManager N2000 DMS Datacomm Network

Management System

Administrator Guide

ii Huawei Technologies Proprietary Issue 02 (2007-10-15)

Figures

Figure 9-1 Database backup tool interface ................................................................. ........................................9-4

Figure 9-2 Adding servers .................................................... .......................................................... ....................9-4

Figure 9-3 User login interface...........................................................................................................................9-5

Figure 9-4 Manual backup flow chart ............................................................. ................................................... 9-6Figure 9-5 Configuring the database set.............................................................................................................9-7

Figure 9-6 Modifying the backup device ............................................................................ ...............................9-8

Figure 9-7 Automatic backup flow...................................................................................................................9-10

Figure 9-8 Adding the automatic backup policy...............................................................................................9-11

Figure 9-9 Restoring database flow chart.........................................................................................................9-13

Figure 9-10 Viewing database details...............................................................................................................9-16


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Administrator Guide 9 Database Backup and Restoration

Issue 02 (2007-10-15) Huawei Technologies Proprietary 9-1

9 Database Backup and RestorationAbout This Chapter

The following table lists the contents of this chapter.

Section Describes

9.1 Database Backup Tool This section describes the database backup tool.

9.2 Manual Backup This section describes how to back up the databasemanually.

9.3 Automatic Backup This section describes how to configure the automatic

backup database.9.4 Restoring the Database This section describes how to restore data in the database.

9.5 Query the Backup andRestoration Logs

This section describes how to check the backup log andthe restored log.

9.6 Viewing Database Details This section describes how to view the databaseinformation.


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9 Database Backup and Restoration


Administrator Guide

9-2 Huawei Technologies Proprietary Issue 02 (2007-10-15)

9.1 Database Backup Tool

With the database backup tool, you can back up and restore the DMS database to protect thedata.

With this tool, you can also maintain the NMS database remotely to make the backup andrestoration operation conveniently.

The basic functions of the database backup tool are as follows:

z Viewing Information

You can view the general information of the DMS database and logs operated by thebackup tool.

z Configuring Parameters

You can set the parameters for the backup, including the Backup Device, Database Setand Auto Backup Policy.

z

Performing TasksYou can back up and recover the database, including Manual Backup, Auto BackupTaskand Restore Database.

The database backup tool is provided as a stand-alone component. This function is supported only whenthis component is selected during the installation of the DMS.

9.1.1 Backup Policy

The database backup tool supports two backup policies as follows:

z Manual backup

z Scheduled (automatic) backup

Every day: The system backs up data every day.

Every week: The system backs up data on a specific day every week.

Every month: The system backs up data on a specific day every month.

9.1.2 Backup Medium

The database backup tool backs up data to:

z Disk

z Tape

9.1.3 Backup Path

For the disk backup, the default backup directory of the DMS is $N2000ROOT/backup.

In the same database set, up to n (4 by default) backup data files can be stored.

In the same database set, the maximum times of data backup are four. If exceeds four, the systemprompts you whether to delete the earliest backup and add a new backup.


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9.1.4 Starting the Database Backup Tool

Description

Before backing up the database, you need to start the database backup tool.

Precaution

Before starting the database backup tool, note the following:

z The DMS server runs normally.

z The backup process of the database runs normally.

z The client of the database backup tool communicates well with the DMS server.

Procedure

The database backup tool allows only one user to log in to the server database.

Step 1 The mode of starting the Windows OS and the Solaris OS are as follows respectively.z In Windows, choose Program > iManager N2000 > N2000 Database Backup Tool in

the Start menu. Or double-click the icon to start the database backup tool, asshown in Figure 9-1.

z In the Solaris OS, input the following in the terminal window.

# cd /opt/n2000/client

# ./bktool.sh

Start the database backup tool.


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Figure 9-1Database backup tool interface

Step 2 Choose System > Add Server and configure the DMS server name and IP address as shownin Figure 9-2.

ClickAdd.

Figure 9-2Adding servers

Step 3 On the navigation tree of the server, choose the server to be logged in to.Step 4 In the Access Password textbox, enter the login password of the DMS database user

N2000user, as shown in Figure 9-3.


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Figure 9-3User login interface

For details about the database userN2000user, refer to Chapter 2 "User Management."

Step 5 ClickOK.----End

9.2 Manual Backup

9.2.1 Manual Backup Flow Chart

Figure 9-4 shows the manual backup flow chart.


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Figure 9-4Manual backup flow chart

End

Start the database backup tool

Configure the database server

Configure the database set

Configure a backup device

Back up the DMS database manually

Start

Modify the backup path?

Yes

No

For details of starting the database backup tool and configuring the database server, see 9.1.5" Starting the Database Backup Tool xe "Starting the Database Backup Tool" ."


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9.2.2 Configuring a Database Set

Description

You can realize the batch database backup and restoration by configuring the database set.According to different requirements for backup and restoration, you can combine one or moredatabases to different sets to enable these sets to be shared for backup or restoration tasks.

One database can be distributed to several sets.

Precaution

The first character of the name of the database set cannot be the underline "_". The names ofthe database sets must be different from each other.

Procedure

Step 1 Start the database backup tool and log in to the server node to be configured.Step 2 Choose Configuration > Database Set. Or in the navigation tree, choose the Configuration

> Database Set node.

Step 3 ClickAdd and enter the configuration page, as shown in Figure 9-5.Figure 9-5Configuring the database set

Step 4 In the Database Set Name textbox, enter the name of the database set to be created.Step 5 In the Database For Selection textbox, select the database to be contained and then click

.

Clicking , you can select all databases.


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Step 6 ClickFinish, the Prompt dialog box appears. ClickOKto complete the creation of thedatabase set.

----End

9.2.3 Configuring a Backup Device

Description

Modify the backup path of the backup device.

When you use the disk for backup, the DMS default path is $N2000ROOT/backup.

Precaution

When you use the tape for backup, you need to initialize the tape.

Procedure

Step 1 Start the database backup tool and log in to the server node to be configured.Step 2 Choose Configuration > Backup Device. Or in the navigation tree, choose the

Configuration > Backup Device node. The configuration page is displayed.

Step 3 Select the backup device (here takes diskas an example) and clickModify. The Modifybackup device interface is displayed, as shown in Figure 9-6.

Figure 9-6Modifying the backup device

The backup device of the tape type can be used only after the device is initialized.

Step 4 In theModify backup device box, you can modify the path to back up the device. IfEnableRemote Copy Function is selected, you set the path for the remote copy function.


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Step 5 ClickModify. In the Prompt dialog box that appears, clickOKto complete the modificationof the backup path.

The method to modify the tape path is the same with that of the backup path.

----End

9.2.4 Backing Up the DMS Database Manually

Description

Back up data in the DMS database manually. Perform the backup operation manually whenthe DMS server has low load.

Prerequisites

z The database set is configured.

z The backup device is configured.

Precaution

Step 1 Start the database backup tool and log in to the server node to be configured.Step 2 Choose Operation > Manual Backup. Or in the navigation tree, choose the Operation >

Manual Backup node.The Select Database Set To Backup box is displayed.

Step 3 Choose the database set to be backed up. ClickNext.Step 4 Choose the device to be backed up.

z If the backup device is disk, clickNext to perform Step 5.

z If the backup device is tape, perform Step 6.

Step 5 Choose backup type.z backup: In this mode, the data is backed up from database to data files.

z bcpout: In this mode, the database user tables are copied to a data files. This mode cannot be used asa general database backup.

Step 6 ClickStart to back up data to the specified path.----End

9.3 Automatic Backup

9.3.1 Automatic Backup Flow Chart

Scheduled backup realizes periodic backup of data. The system automatically backs up dataaccording to the backup policy without manual intervention.

Figure 9-7 shows the automatic backup flow chart.


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Figure 9-7Automatic backup flow

End

Start the database backup tool

Configure the database server

Configure the database set

Configure an automatic backup policy

Configure a backup device

Configure an automatic backup task

Back up the DMS database automatically

Start

Modify the backup path?

Yes

No

For details of starting the database backup tool and configuring the database server, seesection 9.1.4 " Starting the Database Backup Tool xe "Starting the Database Back up Tool" ."

For details of configuring the database set, see section 9.2.2 "Configuring a Database Set."

For details of configuring the backup device, see section 9.2.3 "Configuring a Backup Device xe "Configuring a Backup Device" ."


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9.3.2 Configuring an Automatic Backup Policy

Description

Configure the period and start time of the scheduled backup policy.

To keep the normal maintenance operation, it is recommended to set the start time forautomatic backup between 00:00 and 06:00.

Precaution

The first character of the name of the scheduled backup policy cannot be underline "_". Thenames of the database sets must be different from each other.

Procedure

Step 1 Start the database backup tool and log in to the server node to be configured.Step 2 Choose Configuration > Auto Backup Policy. Or in the navigation tree, choose the

Configuration > Auto Backup Policy node. ClickAdd. The configuration page is displayed,as shown in Figure 9-8.

Figure 9-8Adding the automatic backup policy

Step 3 Enter the name of the backup policy in the Time Policy Name textbox.Step 4 Choose the time period and start time of the backup policy.Step 5 ClickFinish. In the Prompt dialog box that appears, clickOKto complete the creation of the

backup policy.

----End


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9.3.3 Configuring an Automatic Backup Task

Description

According the created database set and scheduled backup policy, create the scheduled backuptask to enable the system to automatically back up the selected database in the specified time.

Precaution

Only after configuring the database set and scheduled backup policy, you are allowed toconfigure the scheduled backup task.

Procedure

Step 1 Start the database backup tool and log in to the server node to be configured.Step 2 Choose Operation > Auto Backup Task. Or in the navigation tree, choose the Operation >Auto Backup Tasknode. ClickAdd. The configuration page is displayed.Step 3 Select the database set to be backed up. ClickNext.Step 4 Select the scheduled backup policy. ClickNext.Step 5 ClickFinish. In the Prompt dialog box that appears, clickOKto complete scheduled backup

task.

After completing the configuration of the backup task, the system backs up the data accordingto the scheduled backup policy.

----End

9.4 Restoring the Database

9.4.1 Restoring Database Flow Chart

Figure 9-9 shows the operation flow chart of restoring the database by the data backup file.


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Figure 9-9Restoring database flow chartStart

Prepare the database

backup file

End

Stop DMS

service process

Restore backup

data

Restart DMSservice processes

9.4.2 Stopping DMS Service Processes

Description

Before restoring the database, you need to stop the DMS service process that is running.

Stop the DMS service process by the Sysmonitor.

Precautionz Stopping the process affects the DMS function; therefore, random operations are

prohibited.

z Do not stop the database backup process. Otherwise, you cannot back up and restore thedatabase.

Procedure

Step 1 Log in to the DMS client.Step 2 Choose System > Stop Server.Step 3 ClickOKto stop the DMS service process.Step 4 After stopping the DMS service process, select the Process tab and records ofDatabase

Backup Process.

Step 5 Right-click the page. Select Start Process to start the database backup process.----End


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9.4.3 Restoring Backup Date

Description

Restore the backup data to the DMS database to reduce the loss caused by the faults or errorsof the database.

Precaution

Before the backup data is restored, the following conditions need to be satisfied:

z The backup data file exists in the specified path of the backup device.

z Before restoring the database, ensure that no connection to the database exists, which isset up by the DMS users and other users. Otherwise, the database cannot be restored.

Procedure

Step 1 Start the database backup tool and log in to the server node to be configured.Step 2 Choose Operation > Restore Database. Or in the navigation tree, choose the Operation >

Restore Database node .The configuration window is displayed.

Step 3 Select the backup device, ClickNext.Step 4 Select the restoration type. ClickNext.Step 5 Select the database set to restore. ClickNext.Step 6 Select the database to restore. ClickNext.Step 7 Select the backup files. ClickRestore to restore the data from the specified path.

----End

9.4.4 Restarting DMS Service Processes

Description

After restoring the database, restart the service process by the SysMonitor to enable the DMSserver to run normally.

Procedure

Step 1 Log in to the DMS client.Step 2 Choose System> Start Server and start the DMS server.

----End


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9.5 Query the Backup and Restoration Logs

Description

The backup and restoration operation of the DMS database are realized by the databasebackup tool. You can view the operation records of backup and restoration in the databasebackup tool.

Procedure

Step 1 Start the database backup tool and log in to the server node to be configured.Step 2 Choose View > Log . Or in the navigation tree, choose the View > Log node,and configure

the parameters in the Check log box.

z Log type: Choose the type to be viewed, including All, Backup and Restore

z Time range: View the time field to be viewed, including Recent Month, Recent Three

Months, Recent Six Months and Recent Year.

Step 3 ClickNext. The information of the logs that satisfy the previous conditions is displayed in theOperation Log box.

----End

9.6 Viewing Database Details

Description

View the basic information of the DMS database, including the size, used Size and createdtime.

Procedure

Step 1 Start the database backup tool and log in to the server node to be configured.Step 2 Choose View >Database. Or in the navigation tree, choose the View >Database node,The

browse page is displayed as shown in Figure 9-10.


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Figure 9-10Viewing database details

Step 3 In the All Database box, select the database to be viewed. In the Description box, view thedetails of the database.

----End

01-09 database backup and restoration

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