[DRBD-user] When Starting Ubuntu equal split-brain

Faria digolinopage at yahoo.com.br
Tue Aug 12 18:59:24 CEST 2008

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


Hello People,

I made this cofiguration:

#Ubuntu Master
modprobe drbd
drbdadm attach r0
drbdadm connect r0
drbdadm -- --overwrite-data-of-peer primary r0
mount /dev/drbd0 /home
drbdadm primary all

#Ubuntu Slave
modprobe drbd
drbdadm attach r0
drbdadm connect r0
drbdadm secondary all

What's mean split brain ?

Sometimes happen the message : split brain

But Finally, I got mounting the device in secondary machine:

heartbeat: 2008/08/12_14:01:40 info: Taking over resource group drbddisk::r0
heartbeat: 2008/08/12_14:01:40 info: Acquiring resource group: ubuntu-cluster2 drbddisk::r0 Filesystem::/dev/drbd0::/home::ext3 drbd smb slapd
heartbeat: 2008/08/12_14:01:40 info: Running /etc/ha.d/resource.d/drbddisk r0 start
heartbeat: 2008/08/12_14:01:40 info: Running /etc/ha.d/resource.d/Filesystem /dev/drbd0 /home ext3 start
heartbeat: 2008/08/12_14:01:41 info: Running /etc/ha.d/resource.d/smb  start
heartbeat: 2008/08/12_14:01:41 info: Running /etc/init.d/slapd  start
heartbeat: 2008/08/12_14:01:41 info: /usr/lib/heartbeat/mach_down: nice_failback: foreign resources acquired
heartbeat: 2008/08/12_14:01:41 info: mach_down takeover complete.
heartbeat: 2008/08/12_14:01:41 info: mach_down takeover complete for node ubuntu-cluster2.

Best regards !

Faria 







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