[OpenAFS] Re: New volumes get strange IDs and are unusable

Giovanni Bracco bracco@frascati.enea.it
Tue, 20 Sep 2011 17:40:37 +0200

in our cell enea.it we had the same problem long ago and we were able to
   repair the situation in the way that was described at the Openafs
Best Practices Workshop 2005:


No idea at that time (nor now!) of how the problem was originated!


Torbjörn Moa wrote:
> On 09/19/2011 04:48 PM, Andrew Deason wrote:
>> On Mon, 19 Sep 2011 16:33:06 +0200
>> Torbjörn Moa <moa@fysik.su.se> wrote:
>>> [root@sysafs2 ~]# vos create sysafs2 /vicepa testatest
>>> Volume 2620303136 created on partition /vicepa of sysafs2
>>> [root@sysafs2 ~]# vos examine testatest
>>> Could not fetch the information about volume 2620303136 from the server
>>> : No such device
>>> Volume does not exist on server sysafs2.physto.se as indicated by the VLDB
>> What version? Some things used to have problems with volume IDs over
>> 2147483648 but I thought we've fixed them all by now.
> On this particular node we run 1.4.6, but it varies between servers.
>>> Note the big diff in volume id's. The id's starting with 536 are
>>> normal for my cell, the 2620... I have never seen before.
>> Something bumped the "max volume id" counter in the vldb by a large
>> number. This could happen in many different ways... unfortuntely, if you
>> don't have the logging level turned up in the vlserver or have audit
>> logs turned on, it's going to be difficult to determine what did it. Do
>> you run any kind of periodic checking for consistency of volumes vs vldb
>> or anything like that?
> Hmmm, yes we do. We have a nagios check running on all servers that does
> a "vos syncserv "$server" -d" and "vos syncvldb "$server" -dryrun"
> periodically. I guess you are implying I shouldn't do that...
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