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NetVault Plug-in for NDMP 12.2 - Application Notes for Dell FluidFS

Viewing media list

The Media List option on the Create Restore Job — Choose Saveset page lets you view information about the media items used to store a backup. You can view details about the data segments and index segments for a backup.

1
On the Create Restore Job — Choose Saveset page, select the applicable saveset.
2
In the Saveset Information area, click Media List.
Backup size: This area shows the total size of the saveset in number of bytes
Data segment table: This table shows information about the media items that contain the data segments. You can view the following details: media label, media group label, stream ID, starting byte number, ending byte number, and media location
Index segment table: This table shows information about the media items that contain the index segments. You can view the media label and media location.

 

Troubleshooting

Common errors

The following is a list of some common errors and their solution.

The NetVault Backup Service fails to start on a Windows-based NetVault Backup Server.

Check the Windows Event Viewer for the following message:

PDT FATAL: lock file “postmaster.pid” already exists

NetVault Backup cannot start if the PostgreSQL database that is used to store the system data does not start.

To correct this issue, delete the “postmaster.pid” file from the location referenced in the log and restart the NetVault Backup Server.

After restarting the machine, the NetVault Backup Service sometimes fails to start on a Windows-based NetVault Backup Server.

Check the Windows Event Viewer for the following message:

FATAL: could not create any TCP/IP sockets " for a PostgreSQL source

NetVault Backup cannot start if the PostgreSQL database that is used to store the system data does not start.

To correct this issue, start the Task Manager, and click Show processes from all users. You can see multiple instances of postgres32.exe running on the system. To remove all instances of postgres32.exe, select any instance of this process, and click End Process. Start the NetVault Backup Service.

The NetVault Backup Service starts, and then stops immediately on a Linux-based machine.

No error messages are displayed.

This issue can occur if the Postgres service cannot resolve the host name localhost, and fails to start.

Check the /etc/hosts file, and if the file does not contain an entry for localhost, add the entry.

While restoring a Full Backup for a volume that maintains an existing .clusterConfig folder and for which the Overwrite Existing Files option is not selected (the default), an error occurs.

Check the NetVault Backup logs for the following message:

Error   2017/06/01 23:38:06  493  Data Plugin  AUTOINT9   NDMP: ERROR 0: ERROR:  /mnt/backup/v6vol2/.clusterConfig/backup/c413ec4b-13e7-4ab8-87e6-28c53b478b65@3688372308_0/.BackupIndex0/.BackupIndex0 already exists, not overwriting.

To correct this issue, do either of the following:

Select the Overwrite Existing Files option for the restore job to ensure that the folder and its files are overwritten.

 

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