[Pacemaker] small gfs question

Andrew Beekhof andrew at beekhof.net
Thu Jun 24 06:49:22 UTC 2010


The linux-cluster list would probably have more experience with gfs issues.
Perhaps try there.

On Wed, Jun 23, 2010 at 4:04 PM, Robert Lindgren
<robert.lindgren at gmail.com> wrote:
>
>
> On Tue, Jun 22, 2010 at 4:05 PM, Robert Lindgren <robert.lindgren at gmail.com>
> wrote:
>>
>> Hi All,
>> Sorry if this topic has been up before, I'm new to this list.
>> I have a problem with gfs2_quotad turning up in D
>> state, uninterpretable sleep, when I set one of my nodes in standby. Hence
>> VirtualDomain resource agent stops working, since libvirt fails to read from
>> gfs (drbd primary/primary). I'm running Ubuntu Lucid with the gfs tools from
>> Cluster-stack ppa.
>> If one one node is started gfs doesn't behave like this, and when one host
>> is lost due to standby or powercord yank.
>> Any hints would be appreciated.
>
> Last things in dmesg are:
>
> [86392.002282] block drbd0: conn( Unconnected -> WFConnection )
> [86395.120629] dlm: closing connection to node 34212362
> [86395.162508] GFS2: fsid=pcmk:pcmk.0: jid=1: Trying to acquire journal
> lock...
> [86520.420036] INFO: task kslowd000:2290 blocked for more than 120 seconds.
>
> After that I see that gfs doesn't respond:
> root at sugadaddy:/var/log# ps -efl | grep D
> F S UID PID PPID C PRI NI ADDR SZ WCHAN STIME TTY TIME CMD
> 1 D root 2290 2 0 75 -5 - 0 dlm_lo Jun22 ? 00:00:00 [kslowd000]
> 1 D root 2310 2 0 80 0 - 0 dlm_lo Jun22 ? 00:00:00 [gfs2_quotad]
> 0 D root 18713 1147 0 80 0 - 4658 dlm_lo 15:54 ? 00:00:00
> /usr/lib/libvirt/virt-aa-helper -r -u
> libvirt-c0b6fc07-7195-4e31-7ce7-e12d5b71bdee
>
> Looks to be the gfs2_quotad stalling but since parentpid 2 is kinda hard to
> see if it's really quotad stalling or if it's waiting for the journal lock.
> Not sure why I don't get the journal lock...
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>
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> Bugs:
> http://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker
>
>




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