Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
On 2/17/12 4:19 AM, Lawrence Strydom wrote: > Hi List, > > I used DRBD in dual primary mode with ocfs2 for my load balancing web > server cluster. I didn't encounter any errors during setup and when I > put the web site on the DRBD device on the primary node, it replicated > without any errors. It has been running fine during the week of > testing but this morning when we updated code located on the DRBD > device we noticed it was not replicating to the secondary node. > the DRBD device was mounted on both nodes but /proc/drbd output this: > > *version: 8.3.7 (api:88/proto:86-91) > GIT-hash: ea9e28dbff98e331a62bcbcc63a6135808fe2917 build by > root at web01.junkmail.co.za, 2012-01-10 09:54:40 > 0: cs:StandAlone ro:Primary/Unknown ds:UpToDate/DUnknown r---- > ns:0 nr:0 dw:5960937 dr:5047235 al:1490 bm:1363 lo:0 pe:0 ua:0 > ap:0 ep:1 wo:b oos:8840028* So you have a split brain, i think - you didn't post the drbd output from the other node, so that's just an educated guess. shutdown ocfs2/o2cb on one node, and follow this: http://www.drbd.org/users-guide/s-resolve-split-brain.html then validate both are primary/uptodate and restart your filesystem clustering. You will need to post all the drbd logs from both boxes to understand what root cause is. You are running a oldish version of drbd, plus you didn't indicate what your os/kernel was. David -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.linbit.com/pipermail/drbd-user/attachments/20120217/cfe757a0/attachment.htm>