[Linux-cluster] Question about cluster behavior

[emmanuel segura]

mkqdisk -d -L


2014-02-17 10:42 GMT+01:00 Pavel Herrmann <morpheus.ibis at gmail.com>:

> Hello
>
> On Monday 17 of February 2014 10:25:32 FABIO FERRARI wrote:
> > Yes, I know that if I have only 1 machine active the cluster won't start
> > with this configuration.
> > But this is not my problem. My problem is that the cluster was not
> started
> > even with 2 machines and the quorum disk active.
> > There isn't any cluster.log in /var/log or in /var/log/cluster. Anyway,
> as
> > you can see, there isn't ANY log line in all cluster log files between
> > 8:30 and 9:00 of 11th february. Only /var/log/messages has some logs
> > during this period.
> > (Don't consider the errors between 8:00 and 8:30 because the storage was
> > not active. At about 9:00 we started the third machine so after this hour
> > it was all ok.)
> >
> >...
> >
> > qdiskd.log
> > Feb 07 17:41:52 qdiskd Unregistering quorum device.
> > Feb 11 08:12:46 qdiskd Unable to match label 'mail-qdisk' to any device
> > Feb 11 09:05:08 qdiskd Quorum Partition: /dev/block/253:0 Label:
> mail-qdisk
>
> I am not an expert in this, but it seems you are using LVM volume as your
> qdisk.
> I would expect an issue with this, since LVM uses DLM, which in turn
> depends
> on qdisk
>
> This log seems to indicate that qdisk is not active untill the whole
> cluster
> is active, which basically defats its purpose
>
> Regards,
> Pavel
>
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