Re: When and why vgs command can change metadata and incur old metadata to be backed up?

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Hi Alasdair,

Very simply if the metadata the command has just read in does not match
the last backup stored in the local filesystem and the process is able
and configured to write a new backup.

The command that made the metadata change might not have written a
backup if it crashed, was configured not to write backups, was running
with the filesystem readonly (e.g. booted into a recovery mode), ran on
a different node in a cluster, ran as part of an installer that chose
not to give you any metadata backups, performed metadata recovery etc.
(Plus an old release had a bug where the checking went wrong and it
made a backup every time even though nothing had actually changed.)

Can you still recall the fix commit for that bug? I recently encountered a similar
problem on 2.02.98. Thanks in advance.

Thanks,
Eric

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