misch at schwartzkopff
Oct 10, 2011, 5:04 AM
Post #6 of 6
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> On Thu, Sep 15, 2011 at 11:14:53AM +0200, Michael Schwartzkopff wrote:
> > > On Thu, Sep 15, 2011 at 10:29:47AM +0200, Michael Schwartzkopff wrote:
> > > > Hi,
> > > >
> > > > After fixing an other error I started to see the following error on
> > > > my DRBD:
> > > >
> > > > kernel: block drbd0: BAD! BarrierAck #2778697761 received, expected
> > > > #2778697760!
> > > >
> > > > Can anybody explain what the BarrierAck error means?
> > > > What is the cause of the problem?
> > > > How to solve the problem?
> > >
> > > DRBD version,
> >
> > 8.3.10
>
> The in-tree or the out-of-tree thing?
>
> > > kernel version,
> >
> > 2.6.39.3
> >
> > > what "other error",
> >
> > Since we have a quite limited test setup with virtual machines I saw lots
> > of
> >
> > kernel: block drbd0: PingAck did not arrive in time.
> >
> > I solved that problem
> > - limiting sync to 1M
> > - setting ping-int to 30 (seconds)
> > - setting ping-timeout to 20 (1/10th of seconds, i.e. 2 sec)
> >
> > > what did you do to trigger this,
> >
> > Nothing. It happens about twice per hour.
> >
> > > can you easily reproduce, etc.
> >
> > Yes. That is the annoying problem.
> >
> > > Most likely: Upgrade.
> >
> > From kernel 2.6.39 to?
>
> From 8.3.10 in-kernel (I assume)
> to 8.3.11-3 out-of-tree?
Hi,
The problem was fixed after we recompiled the 8.3.11 module and used this
instead of the in-kernel (2.6.39) module.
Thanks Lars for the help!
Greetings,
--
Dr. Michael Schwartzkopff
Guardinistr. 63
81375 München
Tel: (0163) 172 50 98
Fax: (089) 620 304 13
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