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NetVault Bare Metal Recovery 10.5 - User Guide for NetVault Backup Server

Booting into NetVault Bare Metal Recovery for NetVault Backup Server

Before you perform an offline backup of the NetVault Backup Server, you must create a NetVault Bare Metal Recovery for NetVault Backup Server CD and boot from it.
1
Burn the “.iso” file for the NetVault Bare Metal Recovery for NetVault Backup Server onto a blank CD-ROM.
2
Use the CD created in Step 1 to boot the server (if connected through a USB port, the port must use the 2.x protocol or earlier).
 
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IMPORTANT: Unless there is a Dynamic Host Configuration Protocol (DHCP) Server in your environment, drdaemon requires a static IP address to communicate with the NetVault Backup Server. If there is no DHCP Server, set the IP address manually.
If you are running multiple NetVault Bare Metal Recovery instances for NetVault Backup Server simultaneously, stopping the NetVault Service on one instance can cause the service of the other instances to stop if the host names are identical. To avoid this conflict, press the Tab key at the VaultOS client boot prompt to interrupt the boot process, and enter a unique host name for each instance by using the kernel argument (for example, “hostname=samplehost1”).
3
When the Network Connections dialog box appears, select the applicable interface, and press Edit.
4
In the Editing Network Interface dialog box, configure the IPv4 and IPv6 settings for the selected network interface.
5
When you are finished, press Apply to return to the Network Connections dialog box, and then press Close.
6
If you want to enable multipath support, perform the following steps:
a
In the NetVault Bare Metal Recovery Daemon process terminal (command prompt), press <Ctrl+C> to stop the process.
b
To open a new NetVault Bare Metal Recovery Daemon process terminal, double-click the Terminal icon on the desktop.
c
At the command prompt, enter the following commands:
cd /vaultos_file
./drdaemon -o mpath
 
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NOTE: You can enter the -o mpath and -p port_number options together.
The NetVault Bare Metal Recovery for NetVault Backup Server desktop includes the following icons. You can click these icons at any time to access various components.
 
Table 1. Icons
Icon
Description
NetVault Backup: This icon starts the NetVault Backup WebUI.
drdaemon: This icon starts the drdaemon interface.
The next step is to detect and add the locally-attached tape library or standalone tape device through NetVault Backup. The following section describes adding a library manually. For a detailed description, see the Dell NetVault Backup Administrator’s Guide.

Adding a library

To add a locally-attached library:
1
In the Navigation pane of the NetVault Backup WebUI, click Manage Devices, and then click Add Device.
2
Select the Tape library/media changer option, and click Next.
3
In the NetVault Backup Clients list, select the client that is physically connected to the target device.
If the device is connected to multiple clients, select the client that you want to designate as the library controller.
4
To scan the selected client and list the attached devices, click Next.
5
In the Choose library table, select the device that you want to add, and click Next.
After the tape drives are discovered and assigned to the appropriate storage bay, a message is displayed.
To use the default configuration, no further action is required. You can exit the configuration wizard.

Selecting the BMR target media

The next step is to select a dedicated BMR target media for your backup.
To create a Target Set:
1
In the Navigation pane of the NetVault Backup WebUI, click Create Backup Job.
2
Next to Target Storage, click Create New.
3
Click Device Selection, and select the applicable device.
4
Click Media Options, select the applicable options (enter a user-defined label, for example, BMRMedia string in the Media Label field).
5
Click Media Sharing, and select the applicable options.
6
Click Save to save the set, enter a name in the Create New Set dialog box, and click Save.
The name can contain alphanumeric and non-alphanumeric characters, but it cannot include non-English characters. On Linux®, the names can have a maximum of 200 characters. On Windows®, there is no length restriction. However, a maximum of 40 characters is recommended on all platforms.

Backing up the source NetVault Backup Server

To back up the server, complete steps outlined in the following sections.
•
Prerequisites
•
Completing the backup
Prerequisites
Before initiating a backup with the Plug-in Server, review the following sections for details on prerequisites that must be met.
 
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WARNING:Even if there is no difference between the system devices in a backup and a restore, the order of the disks might be different. If the restored data is started without performing a rename, any data that exists on the disks is lost. To compare the information of physical disk at backup and restore, note the Disk Geometry and Device Size at backup.
Verifying Disk Geometry and Device Size
Before backing up any portion of a NetVault Backup Server’s hard drive, Dell recommends that you note the Disk Size and the Disk Geometry of the selected drive. If these items are not accounted for, a restore might fail.
Example of how to note the Drive Disk Size and Disk Geometry
A Client drive is divided into three partitions. The primary partition is 10 gigabytes (GB), the first logical partition is 7GB and the second is 3GB. A backup of the first logical partition is performed with the Plug-in Server. On restore of the system after a hard drive crash, if the first logical partition was restored, it needs to be restored to the proper partition (the first logical partition), or the restore fails.
To verify the geometry and size:
1
Open the NetVault Backup Selections page, and double-click the NetVault Backup Server (the system containing the Plug-in Server) to open it.
2
Open the Plug-in Server by double-clicking it.
3
Double-click the self node displayed under the plug-in to reveal the disks contained within.
4
To determine the Disk Geometry, select the applicable disk, and select Disk Geometry from the Actions list.
The Display Device Geometry dialog box displays details about the partition structure of the selected disk.
•
Partitions: Each individual partition is listed here by number and the partition type.
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Active: Displays the current state of the partition (“Yes” or “No”).
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Start Cyl: Displays the origination point (cylinder) for the various partitions.
•
End Cyl: Displays the partition’s endpoint (cylinder).
•
Size: Displays the size of each partition.
•
Type: Displays the type of partition.
5
With this information noted, click OK.
6
To determine the overall size of a disk, select the applicable disk, and select Disk Size from the Actions list.
The Device Size dialog box displays details about the size of the selected disk.
•
Device: The number and type of the disk.
•
Size: The size of the selected disk.
7
With this information noted, click OK.
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