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NetVault Bare Metal Recovery 10.5 - User Guide for Plug-ins

Introducing Dell™ NetVault™ Bare Metal Recovery Plug-ins Deploying NetVault Bare Metal Recovery Using the Plug-in Offline Client Using Plug-in Live Client for Windows® Using Plug-in Live Client for Linux® NetVault Bare Metal Recovery physical-to-virtual recovery Troubleshooting

Finalizing and submitting the job

The final steps include setting additional options on the Schedule, Source Options, and Advanced Options pages, submitting the job, and monitoring the progress through the Job Status and View Logs pages. These pages and options are common to all NetVault Backup Plug-ins. For more information, see the Dell NetVault Backup Administrator’s Guide.
To finalize and submit a restore job:
1
Click Ok to save the settings, and then click Next.
2
In Job Name, specify a name for the job.
Assign a descriptive name that lets you easily identify the job when monitoring its progress. The job name can contain alphanumeric and non-alphanumeric characters, but it cannot include non-English characters. A maximum of 40 characters is recommended.
3
In the Target Client list, select the NetVault Backup Server from the list of displayed machines to set it as the intended target.
 
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TIP: You can also click Choose, and then locate and select the applicable client in the Choose the Target Client dialog box.
Restores must be routed through the NetVault Backup Server to use the necessary components installed there. The setting in this list works in tandem with the value revealed in the Client Hostname field to route the restore properly.
4
Use the Schedule and Advanced Options lists to configure any additional required options.
5
Click Save or Save & Submit, whichever is applicable.
 
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NOTE: On completion of this process, the job is added to the NetVault Backup job queue; however, unlike a traditional NetVault Backup restore job, it does not begin running. The steps covered in Booting the target NetVault Bare Metal Recovery Client with the appropriate OS and drivers must be successfully performed before the job begins.

If you attempt a second restore after processing a restore that failed, the second restore might stop responding (hang) when it begins creating the logical volume. If this issue occurs, blank the target disk and run the restore process again.

Booting the target NetVault Bare Metal Recovery Client with the appropriate OS and drivers

The following sections detail the procedures to be used to boot a target Linux® Client machine to recover a DR image backup.
Prerequisites
Ensure the following have taken place before attempting to boot the NetVault Bare Metal Recovery Client:
•
Bootable CD created: A Plug-in Live Client Boot CD must have been previously created for the target Linux® Client, using the procedures outlined in Creating the required bootable CD.
•
CD-ROM drive set as primary boot source on target NetVault Bare Metal Recovery Client: The Linux machine serving as the NetVault Bare Metal Recovery Client must have its CD-ROM drive (if connected through a USB port, it must use USB 2.x protocol or earlier) set up as the primary boot source to have the machine boot from CD (for example, by accessing the system’s BIOS application and setting the Drive as the primary boot source).
•
NetVault Backup Server and Client information gathered: After booting the target Linux Client with the created boot CD, you must configure the machine using various information, including the following:
•
NetVault Backup Server IP Address
•
Linux NetVault Bare Metal Recovery Client IP Address
•
Gateway Address (if applicable)
•
Subnet Mask
•
Communication port free for use: Make sure that the communication port is available and accessible to the Plug-in Live Client for Linux. If the default port 10666 is not available, reconfigure the communication port before proceeding. For details on reconfiguring the port, see Reconfiguring the communication port (optional). If default port 10666 is available, skip to Boot procedure.
 
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NOTE: In most circumstances, the 10666 port is available for use. Circumstances under which it is not available include if a system administrator had assigned it for use to a different application or if you have a firewall set up on a different port.

Reconfiguring the communication port (optional)

The Plug-in Live Client for Linux® listens on port 10666 by default. If you have a firewall configured, you may need to change the communication port to perform a recovery (for example, you want use port 12345 instead). Perform the following steps:
1
Open the firewall for port 12345.
This step allows communication between the NetVault Bare Metal Recovery Client and the NetVault Backup Server to be restored.
2
In the Navigation pane of the NetVault Backup WebUI on the Plug-in Server, click Create Restore Job.
3
On the Create Restore Job — Choose Saveset page, select the applicable saveset, and click Next.
4
On the Create Selection Set page, click Edit Plugin Options.
5
In the Restore Server Port field, enter 12345.
After setting the port number on the Plug-in Server, you must update it on the NetVault Bare Metal Recovery Client as well.
6
To save the settings, click Ok.
7
Boot from the CD (described in Boot procedure).
8
After the System Installation for Linux application starts and the SYSTEM INSTALLATION AND MAINTENANCE menu appears, select System Recovery Utility, and press Enter.
9
To open a maintenance shell prompt, select Start a Maintenance Shell, and press Enter.
10
From the maintenance shell, run the following commands:
maint> echo "ServerPort=12345" > /tmp/nvdrx.cfg
maint> exit
11
Proceed with the boot procedure described in Boot procedure.

Boot procedure

To boot the Linux® NetVault Bare Metal Recovery Client:
 
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IMPORTANT: If the target Linux NetVault Bare Metal Recovery Client is comprised of any Raw format disks, a specific boot procedure must be followed to preserve any data that currently exists on those disks. You must use this procedure because the Plug-in Live Client for Linux does not support the backup and restore of Raw format disks. For more information, see Accommodating for Raw disks.
1
Insert the created CD into the CD-ROM drive (if connected through a USB port, the port must use the 2.x protocol or earlier) on the target Linux NetVault Bare Metal Recovery Client, and reboot the machine.
The boot process begins as the necessary files are loaded from the CD to system memory. This procedure can take several minutes, depending on the hardware configuration of the target Linux NetVault Bare Metal Recovery Client.
On successful boot off the CD, the System Installation for Linux application starts and the initial screen appears.
 
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NOTE: The System Installation for Linux application offers several utilities that can be used to customize a DR recovery. However, the use of all of these utilities is not covered in this guide. Only the tools required to perform a standard recovery operation are covered here.
 
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IMPORTANT: While Dell strongly recommends that only the utilities required to perform a standard DR recovery be used with this plug-in (as covered in this guide), the System Installation for Linux application contains a built-in help system that offers brief instructions on its use. This help system can be accessed on a per screen basis by using the F1 key.
2
If necessary, use the arrow keys to navigate to the Select Install Device/Backup option (default selection), and press Enter to select it.
3
When the Set Install Device or Server dialog box appears, use the arrow keys to navigate to the Set or Change Network Configuration option located below the Install from Remote Device heading, and press Enter to select it.
4
When the Set or Change Network Install Configuration dialog box appears, enter the following information under the TCP/IP Configuration heading, using the arrow keys to navigate between the four fields:
•
Server IP Address: Enter the IP address assigned to the NetVault Backup Server that was used to start the job in the previous section.
•
Client IP Address: Enter the IP address assigned to the machine serving as the Linux NetVault Bare Metal Recovery Client.
•
Gateway Address: Enter the gateway address in use by the network (if applicable).
 
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IMPORTANT: Use of the Gateway field is optional. If Plug-in Server and Plug-in Live Client are in the same network segment, ensure that this field remains blank. Only include a gateway value if Server and Client exist in a different segment.
•
Subnet Mask: Enter the Subnet Mask value in use by the network.
5
With the previous four values entered, use the arrow keys to navigate to the Network Device field, below the Adapter Configuration heading.
6
When the available commands listed in the bar at the bottom of the dialog box are updated to reveal the “F4=List” option, press F4 to display a list of NICs available in the Linux Client.
7
In the sub-window that starts, use the arrow keys to navigate to the NIC to be used, and press Enter to select it.
8
When Network Device field is updated to reveal the selected NIC, press either F3 or Esc to confirm all settings, exit the dialog box, and return to the Set Install Device or Server dialog box.
9
Because no additional settings are required, press either F3 or Esc to the dialog box and return to the System Installation and Maintenance dialog box.
The informational fields in the lower-left corner are updated to reveal the values entered; that is, the Service field is updated to reveal the IP address entered for the NetVault Backup Server.
10
Use the arrow keys to navigate to the Install the System with Current Settings option, and press Enter to initiate the job.
If all settings were correctly entered, the process continues; otherwise, a red dialog box appears stating that the job could not be initiated.
 
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IMPORTANT: For this process to start successfully, the applicable recovery job must have already been set up and started from the NetVault Backup Server (as outlined in Restoring data).
11
When the frame in this dialog box is updated with a message stating that the selected disks are erased and overwritten on the Linux NetVault Bare Metal Recovery Client if the operation is continued, press the Y key to confirm and start the recovery.
The Boot CD ejects automatically before rebuilding the system.
 
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IMPORTANT: If you are using Storix®, restoring to the same client or a different client of the same disk size (either of which is configured as part of a logical group and volume) causes the following message to appear: “The following non-fatal errors must be corrected before continuing: Disk sdb: This disk is not large enough for the partitions as they are currently defined. You must reduce the space requirements on this disk by at least 7MB by removing the partitions or reducing their sizes.” To work around this issue, use the View/Change Installation Settings feature in Storix to adjust the partition sizes.
To allow the recovery process to re-create a striped logical volume across multiple disks, manually change the stripe size. From the Main Menu in Storix, select View/Change Installation Settings > Logical Volume Management > Add or Change Logical Volume. Select the applicable volume, and press Enter. Change the Stripe Size from 0 to the size that was originally configured.
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