https://bugzilla.novell.com/show_bug.cgi?id=714510 https://bugzilla.novell.com/show_bug.cgi?id=714510#c0 Summary: DRBD lose connection complaining about BAD BarrierAck Classification: openSUSE Product: openSUSE 11.4 Version: Final Platform: x86-64 OS/Version: openSUSE 11.4 Status: NEW Severity: Critical Priority: P5 - None Component: Kernel AssignedTo: kernel-maintainers@forge.provo.novell.com ReportedBy: servizioclienti@livenet.it QAContact: qa@suse.de Found By: --- Blocker: --- Created an attachment (id=448005) --> (http://bugzilla.novell.com/attachment.cgi?id=448005) Log of primary and secondary server. User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/535.1 (KHTML, like Gecko) Chrome/13.0.782.215 Safari/535.1 Primary server: openSUSE 11.3 Linux version 2.6.34.7-0.7-xen (geeko@buildhost) (gcc version 4.5.0 20100604 [gcc-4_5-branch revision 160292] (SUSE Linux) ) #1 SMP 2010-12-13 11:13:53 +0100 Secondary server: openSUSE 11.3 upgraded to 11.4 via "zypper dup" Linux version 2.6.37.6-0.7-xen (geeko@buildhost) (gcc version 4.5.1 20101208 [gcc-4_5-branch revision 167585] (SUSE Linux) ) #1 SMP 2011-07-21 02:17:24 +0200 During normal functioning the connection is dropped and then reestabilished. You can see in log Aug 26 22:04:54 primaryserver kernel: [121494.328079] block drbd0: BAD! BarrierAck #1092185342 received, expected #1092185341! During reconnection (1-2 seconds) system freezes because missing disk. The problem happens completely random: now, after one minute, then after two hours, the ten minutes and so on. I use a primary/secondary configuration: on reconnection primary updates secondary. In a primary/primary I think this will cause a split brain. In attach log of primary and secondary server. Reproducible: Always Actual Results: DRBD complaining about lost barrierack and dropping network connection. Expected Results: No errors, no lost connection. I've seen something similar in http://www.mail-archive.com/drbd-user@lists.linbit.com/msg02980.html -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.