> 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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