VMware vSphere Data Protection 5.1/5.5 backups do not start after the deduplication store is marked as Read-Only
search cancel

VMware vSphere Data Protection 5.1/5.5 backups do not start after the deduplication store is marked as Read-Only


Article ID: 341850


Updated On:


VMware vSphere ESXi


  • When the deduplication store reaches 65% capacity or more, VMware vSphere Data Protection (vDP) marks the store as read-only.
  • After space is made available, the appliance does not run any scheduled or manual backups.
  • In the /usr/local/avamar/var/mc/server_log/mcserver.log file, you see entries similar to::

WARNING: Backup job skipped because server is read-only.

  • In the /usr/local/avamarclient/var-proxy-?/JOBNAME-vmimage*.log file, you see a message similar to:

    avvcbimage Error <9768>: Avtar exited with 'code 178: operation failed because target server is full'.


VMware vSphere Data Protection 5.1.x
VMware vSphere Data Protection 5.5.x


To resolve this issue:
  1. Log in to the Data Protection Appliance via the vCenter Server console or an SSH session with the root credentials.
  2. Run the status.dpn command from the command line to check the capacity of the vDP appliance.
  3. Reduce the capacity to 62.9% or less by removing old restore points, reducing retention policies, and allowing for garbage collection to run.

vDP deletes backups according to the retention policies that are set in the backup jobs. However, you can manually delete backups from the Restore tab by selecting the relevant backup jobs and clicking Delete. After backup jobs are deleted, the space will not be freed up until the garbage collection process runs.

Note: It can take multiple passes of garbage collection for the capacity to be freed up depending on the amount of processing required.

You cannot delete individual disks from backups. Only the full backup can be deleted. You can delete backups which were performed on solely individual VMDK's. You cannot delete individually selected VMDK's from a backup job.

Removing selected backups:
  1. From the vSphere Web Client, click vSphere Data Protection.
  2. In the Restore tab, click the Manual Restore tab.
  3. Select the backups you want to remove from the appliance.
  4. Click Delete.
  5. Click Refresh to update the data in the Restore tab.

For more information, see the VMware vSphere Data Protection Administration Guide.