[prev in list] [next in list] [prev in thread] [next in thread] 

List:       drbd-user
Subject:    Re: [DRBD-user] BarrierAck errors on my DRBD
From:       Michael Schwartzkopff <misch () schwartzkopff ! org>
Date:       2011-10-10 12:04:38
Message-ID: 201110101404.38594.misch () schwartzkopff ! org
[Download RAW message or body]

[Attachment #2 (multipart/signed)]


> 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

["signature.asc" (application/pgp-signature)]

_______________________________________________
drbd-user mailing list
drbd-user@lists.linbit.com
http://lists.linbit.com/mailman/listinfo/drbd-user


[prev in list] [next in list] [prev in thread] [next in thread]