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Unmount User-Defined File Systems in BRMS

Troubleshooting


Problem

This document discusses the option to unmount user-defined file systems (UDFS) within a BRMS control group.

Resolving The Problem

The unmount user-defined file systems option can be viewed in the BRMS control group attributes.
This option enables you to unmount user-defined file systems (UDFS) before the control group runs.
At V7R4 you can change the unmount settings in the green screen control group attributes.
At V7R2 and V7R3 see the link below for options to change the unmount attribute settings from the green screen. 
You must unmount the UDFS in order to save the objects in the directories upon which these file systems are mounted. If you do not unmount a UDFS, the objects in the UDFS are saved as if they are in the directory upon which it is mounted, and the objects actually in the mounted over directory are not saved.
For example, the mount over directory for the UDFS is /UDFSname. When the UDFS is unmounted, objects /UDFSname/a, /UDFSname/b, etc. are seen. When you mount the UDFS over directory /UDFSname, objects a and b are no longer able to be accessed or saved. You also lose all information about the UDFS and the disk pool in which it is stored.

Notes:
  1. If the Unmount user-defined file systems field is set to *YES for a control group, after a backup finishes BRMS will attempt to re-mount any file systems that were unmounted before the backup began.
  2. This setting will be ignored if no IFS backup items exist within the control group.
  3. The unmount will occur directly before the IFS backup item.

For more information see the BRMS Wiki Backup of integrated file system objects


 

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Historical Number

589368223

Document Information

Modified date:
17 December 2024

UID

nas8N1011723

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