> 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 > 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? Greetings, -- Dr. Michael Schwartzkopff Guardinistr. 63 81375 München Tel: (0163) 172 50 98 Fax: (089) 620 304 13
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