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Druva Documentation

Troubleshooting common Phoenix Backup Store issues

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RMAN backup fails with Oracle31 error

Issue

RMAN backup fails with Oracle31 error and you get the following error message:

RMAN-00571: ===========================================================

RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============

RMAN-00571: ===========================================================

RMAN-03009: failure of delete command on ORA_DISK_1 channel at 04/04/2023 18:15:08

ORA-27056: could not delete file

Linux-x86_64 Error: 30: Read-only file system

Cause

This error occurs when you perform the RMAN restore on the database by mounting the restore location from PBS on the Oracle server. After cataloging, RMAN refers to the mounted location which is in read-only mode. In the next backup, RMAN attempts to crosscheck and delete the files from a Read-Only mount which results in an error.

Resolution

After RMAN restore from PBS restore location is successful, do the following:

1. Unmount the restore path by running the following command:

df -h

umount -l <restorepath>

 2. Crosscheck and delete backups by running the following command:

crosscheck backup; crosscheck copy; delete force noprompt expired backup; delete force noprompt expired copy;

3. Trigger the backup.

4. If the issue persists, run the following RMAN commands:

crosscheck backup; crosscheck copy; delete force noprompt backup; delete force noprompt copy;

Unable to start the NFS server on Phoenix Backup Store

Cause

This error occurs if the NFS server is unable to find the backup mount path on the Phoenix Backup Store.

Resolution

Add the backup mount path in the /etc/exports file manually.

Unable to start the Phoenix Backup Store service

Cause

This issue can occur due to multiple reasons.

Resolution

  • If the NFS service is not running, start the NFS service.
  • For other issues, contact Support.

A disconnected Phoenix Backup Store remains in the waiting to disable state even after disabling it

Cause

This happens when the Druva Cloud waits for the Phoenix Backup Store to get connected so that it can disable it. However, if the Phoenix Backup Store is decommissioned or there is no way it can connect to the Druva Cloud, it stays in the waiting to disable state on the Management Console.

Resolution

  • Re-register the Phoenix Backup Store
  • To disable the Phoenix Backup Store on the Management Console, contact Support.

Unable to disable the Phoenix Backup Store after replacing the old Phoenix Backup Store

Cause

This happens when the Phoenix Backup Store service is still running on the old Phoenix Backup Store and you attempt to disable the new Phoenix Backup Store.

Resolution

Contact Support to disable the new Phoenix Backup Store and stop the Phoenix Backup Store service on the old Phoenix Backup Store. For more information, see prerequisites to re-registering a Phoenix Backup Store.

Unable to deploy a Phoenix Backup Store on a VMware setup

Cause

The Phoenix Backup Store deployment fails when the MD5 checksum of the downloaded OVA package does not match with the MD5 checksum of the package mentioned on the downloads page. This can occur if there was a problem with the download. 

Resolution

Ensure that the MD5 checksum of the downloaded OVA package matches with the MD5 checksum on the downloads page before deploying the Phoenix Backup Store OVA package. The MD5 checksum is mentioned below the Phoenix Backup Store package.

Downloads_ova.PNG