[DRBD-user] DRBD Split-Brain auto recover

trm asn trm.nagios at gmail.com
Sat Nov 26 22:49:35 CET 2011

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


Dear List,

I have one HA NFS setup with DRBD. Primary is NFS1 server  & secondary is
NFS2 server.

Please help me out to configure the auto recovery from split-brain.

Below is my config & package details.


Packages:
kmod-drbd83-8.3.8-1.el5.centos
drbd83-8.3.8-1.el5.centos

/etc/drbd.conf [ same one both the box]

common { syncer { rate 100M; al-extents 257; } }
resource main {
protocol C;
handlers { pri-on-incon-degr "halt -f"; }
disk { on-io-error detach; }
startup { degr-wfc-timeout 60; wfc-timeout 60; }

on NFS1 {
address 10.20.137.8:7789;
device /dev/drbd0;
disk /dev/sdc;
meta-disk internal;
}
on NFS2 {
address 10.20.137.9:7789;
device /dev/drbd0;
disk /dev/sdc;
meta-disk internal;
}
}
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