How to increase the size of backup disk on the Zmanda Backup Appliance

This article is for Zmanda Backup Appliance (ZBA)

Info Description:

1. Shut the VM down and add a new disk to the VM of the desired size.
2. Boot the VM back up.  The new disk should be seen by the system likely as /dev/sdb.
3. Assuming the new disk is /dev/sdb, use the "fdisk" command to create the partition on the new disk.  Change the type 8e Linux LVM;
4. Create the new physical volume with  (on this example, /dev/sdb1 is the new partition):
   
   # pvcreate  /dev/sdb1
5. Unmount the /dev/backup_data/backup_data file system from /var/lib/amanda:
   
   # umount /var/lib/amanda
6. Extend the existing volume group "backup_data":
   
   # vgextend   backup_data   /dev/sdb1
7. Extend the existing logical volume, "/dev/backup_data/backup_data", by 100% of the new free space:
   
   # lvextend  -l +100%FREE   /dev/backup_data/backup_data
8. Resize the file system, to use the maximum space available:
   
   # resize2fs  /dev/backup_data/backup_data
9. Mount the /dev/backup_data/backup_data to  /var/lib/amanda:
   
   # mount   /dev/backup_data/backup_data   /var/lib/amanda