[DRBD-user] drbd with gfs2

[Mike Zupan]

We are having some issues with gfs2 and drbd. When both nodes are up things
work great. I can access the file on both nodes and they are in
primary/primary mode.

The issue is that if a node is down I cannot access the mount on the system
that is up. I can only access it when the node comes back online.

I followed a howto at the following URL just used a bit different drbd.conf

http://gfs.wikidev.net/DRBD_Cookbook


Below is my drbd.conf

global {
usage-count no;
}

common {
syncer { rate 100M; }
}

resource "drbd0" {
protocol C;

handlers {
pri-on-incon-degr "echo 'DRBD: primary requested but inconsistent!' | wall;
/etc/init.d/heartbeat stop"; #"halt -f";
pri-lost-after-sb "echo 'DRBD: primary requested but lost!' | wall;
/etc/init.d/heartbeat stop"; #"halt -f";
}

startup {
wfc-timeout 0; # 2 minutes
degr-wfc-timeout 120; # 2 minutes.
become-primary-on both;
}

syncer {
rate 100M;
# This is now expressed with "after res-name"
#group 1;
al-extents 257;
}

net {
allow-two-primaries;
after-sb-0pri discard-zero-changes;
after-sb-1pri discard-secondary;
after-sb-2pri disconnect;

}

disk {
on-io-error pass_on;
fencing dont-care;
}


on njrh-testdfs1.fxserver.com {
device /dev/drbd0;
disk /dev/hdb1;
address 10.100.172.195:7788;
meta-disk internal;
}

on njrh-testdfs2.fxserver.com {
device /dev/drbd0;
disk /dev/hdb1;
address 10.100.172.196:7788;
meta-disk internal;
}
}
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