On 2/13/2016 10:05 PM, Garance A Drosehn wrote:
> The only thing I'm wondering about is whether I can get the "Backup"
> VID field set back to "0", and get the "Backup" date back to "Never".

There are no tools that will do this for you.   The allocation of the
RW, RO, and BK IDs were implicitly allocated as a group of three when
the volume was initially created.  Resetting the BK ID field in the
database entry is not going to permit the BK ID to be used for something
else.

Resetting the backup time to 0 (Never) is not something that is ever
done by the current tooling.  The ".backup" volume is lost when a RW
volume is moved to another partition.   The ".backup" is most often used
as a temporary snapshot for use by a backup suite.  Removing the
".backup" does not remove any copies that were saved in a backup system.

Could you reset the value to 0 (Never)?  Yes, by writing a tool to do it.

Is there value in writing such a tool?  Only if your workflow requires it.

> I'm not losing any sleep over this, but I was just wondering.  I
> also wonder if anything anywhere would even care that the Backup
> VID field is 537664402, when there is no volume with that VID.

The BK ID would be set to RW ID + 2 the next time "vos backup" is
executed on the volume.  There is no benefit to resetting it.

Jeffrey Altman

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