[DRBD-user] How to solve split brain?

Michele Rossetti rossetti at sardi.it
Mon Sep 5 12:56:40 CEST 2016

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.


On node 1:
root at mpve1:~# drbdsetup status vm-100-disk-1 --verbose --statistics
vm-100-disk-1 node-id:0 role:Secondary suspended:no
     write-ordering:flush
   volume:0 minor:100 disk:Inconsistent
       size:33554432 read:0 written:0 al-writes:0 bm-writes:0 upper-pending:0
       lower-pending:0 al-suspended:no blocked:no
   mpve2 node-id:2 connection:StandAlone role:Unknown congested:no
     volume:0 replication:Off peer-disk:DUnknown resync-suspended:no
         received:0 sent:0 out-of-sync:3364 pending:0 unacked:0
   mpve3 node-id:1 connection:StandAlone role:Unknown congested:no
     volume:0 replication:Off peer-disk:DUnknown resync-suspended:no
         received:0 sent:0 out-of-sync:3364 pending:0 unacked:0

On node 2:
root at mpve2:~# drbdsetup status vm-100-disk-1 --verbose --statistics
vm-100-disk-1 node-id:2 role:Secondary suspended:no
     write-ordering:flush
   volume:0 minor:100 disk:UpToDate
       size:33554432 read:496 written:3820 al-writes:33 bm-writes:0
       upper-pending:0 lower-pending:0 al-suspended:no blocked:no
   mpve1 node-id:0 connection:StandAlone role:Unknown congested:no
     volume:0 replication:Off peer-disk:Inconsistent resync-suspended:no
          received:0 sent:0 out-of-sync:4928 pending:0 unacked:0
   mpve3 node-id:1 connection:Connected role:Primary congested:no
     volume:0 replication:Established peer-disk:UpToDate
         resync-suspended:no
         received:3820 sent:0 out-of-sync:0 pending:0 unacked:0

Michele
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