PRIMECLUSTER Global Disk Services Configuration and Administration Guide 4.1 (Linux)

6.1.3 Restoring

1) Stopping the services

1a) With a shared volume used by a cluster application, exit the cluster application.

1b) With a volume not used by a cluster application

1b-1) Stop the services using the volume.

1b-2) When the volume is used as a file system, unmount the file system. The following shows an example when the mount point is /mnt1.

# cd /
# umount /mnt1

 

2) Restoring

Restore the volume data. The following shows an example of restoring data from a tape medium of tape device /dev/st0.

For details about the restore method, see manuals of a file system to be restored and used commands.

• When restoring data held in a raw device with the dd(1) command

  # dd if=/dev/st0 of=/dev/sfdsk/Class1/rdsk/Volume1 bs=32768

   

3) Resuming the services

3a) With a shared volume used by a cluster application, execute the cluster application.

3b) With a volume not used by a cluster application

3b-1) When the volume is used as a file system, mount the file system. The following shows an example when the mount point is /mnt1.

• For a ext3 system

  # mount -t ext3 /dev/sfdsk/Class1/dsk/Volume1 /mnt1

3b-2) Resume the services.