[OpenAFS] AFS outage, impact of "moving" root.cell.readonly, root.afs.readonly

Kim Kimball dhk@ccre.com
Thu, 10 May 2007 13:05:16 -0600

Derrick J Brashear wrote:
> On Thu, 10 May 2007, Christopher D. Clausen wrote:
>> [....]
>>> 'vos remsite':
>>> "This command is useful for removing read-only sites that
>>> were mistakenly created with the vos addsite command, before
>>> the vos release command actually releases them."
>> That seems like a waste of a command.  It would only be used in very
>> rare situations that are otherwise correctable (just vos release and
>> then vos remove.)  And why can't vos remove, vos zap or vos delentry be
>> used to remove a non-released replica?
> consider the case that you remsite something temporarily, leave the 
> data, and then addsite later when you want clients to see it again...
Keeping in mind that for up to two hours a client may rely on cached 
VLDB entry, right?  That is, the 'vos remsite' won't affect all clients 
immediately (unless callbacks have been added for VLDB entries and I 
missed it.)

Another case is "I just added a site to server X but meant to add to 
server Y."  As long as I haven't 'vos released' the volume, then 'vos 
remsite' is the way to correct the VLDB entry.

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