Restore from NAS array volume fails with the status: 174 Media manager - system error occurred.
Explanation:
This error occurs during granular restoration of a specific combination of files and directories that were backed up from a NAS array.
For NetBackup version 10.4, this issue occurs only for multi-stream restores.
For NetBackup version 10.5 and above, this issue occurs for both single-stream and multi-stream restores.
Workaround:
Do any of the following:
For NetBackup version 10.4, use a single stream for the restore job.
For NetBackup version 10.5 and above, do only one selection at a time, in the restore selection, like a volume, a directory, or individual file(s).