[Pacemaker] Getting split brain after all reboot of a cluster node
emmanuel segura
emi2fast at gmail.com
Wed Mar 5 06:08:11 EST 2014
i seen this in your pacemaker config
stonith-enabled="false"
2014-03-05 11:54 GMT+01:00 Anne Nicolas <ennael1 at gmail.com>:
> Le 05/03/2014 11:26, emmanuel segura a écrit :
> > because you don't have fencing configured
>
> As said I've added it in /etc/drbd.d/global_common.conf which is now
>
> $ cat global_common.conf
> global {
> usage-count no;
> disable-ip-verification;
> }
> common {
> handlers {
> fence-peer "/usr/lib/drbd/crm-fence-peer.sh";
> after-resync-target "/usr/lib/drbd/crm-unfence-peer.sh";
> }
> syncer { rate 500M; }
> }
>
> but no improvment.
>
> >
> >
> > 2014-03-05 9:28 GMT+01:00 Anne Nicolas <ennael1 at gmail.com
> > <mailto:ennael1 at gmail.com>>:
> >
> > Hi
> >
> > I'm having trouble setting a very simple cluster with 2 nodes. After
> all
> > reboot I'm getting split brain that I have to solve by hand then.
> > Looking for a solution for that one...
> >
> > Both nodes have 4 network interfaces. We use 3 of them: one for an IP
> > cluster, one for a bridge for a vm and the last one for the private
> > network of the cluster
> >
> > I'm using
> > drbd : 8.3.9
> > drbd-utils: 8.3.9
> >
> > DRBD configuration:
> > ============
> > $ cat global_common.conf
> > global {
> > usage-count no;
> > disable-ip-verification;
> > }
> > common { syncer { rate 500M; } }
> >
> > cat server.res
> > resource server {
> > protocol C;
> > net {
> > cram-hmac-alg sha1;
> > shared-secret "eafcupps";
> > }
> > on dzacupsvr {
> > device /dev/drbd0;
> > disk /dev/vg0/server;
> > address 172.16.1.1:7788 <http://172.16.1.1:7788>;
> > flexible-meta-disk internal;
> > }
> > on dzacupsvr2 {
> > device /dev/drbd0;
> > disk /dev/vg0/server;
> > address 172.16.1.2:7788 <http://172.16.1.2:7788>;
> > flexible-meta-disk internal;
> > }
> > }
> >
> > Pacemaker configuration
> > ===============
> > node $id="16847020 <tel:16847020>" dzacupsvr
> > node $id="33624236" dzacupsvr2
> > primitive apache ocf:heartbeat:apache \
> > params configfile="/etc/httpd/conf/httpd.conf" \
> > op start interval="0" timeout="40s" \
> > op stop interval="0" timeout="60s"
> > primitive clusterip ocf:heartbeat:IPaddr2 \
> > params ip="192.168.1.5" cidr_netmask="24" nic="eth0"
> > primitive drbdserv ocf:linbit:drbd \
> > params drbd_resource="server" \
> > op monitor interval="60s"
> > primitive fsserv ocf:heartbeat:Filesystem \
> > params device="/dev/drbd/by-res/server"
> directory="/EdgeServer"
> > fstype="ext4"
> > primitive libvirt-guests lsb:libvirt-guests
> > primitive libvirtd lsb:libvirtd
> > primitive mysql ocf:heartbeat:mysql \
> > params binary="/usr/bin/mysqld_safe" config="/etc/my.cnf"
> > datadir="/EdgeServer/mysql" \
> > op start interval="0" timeout="40s" \
> > op stop interval="0" timeout="60s" \
> > meta target-role="Started"
> > primitive named lsb:named
> > primitive samba lsb:smb
> > group services fsserv clusterip libvirtd samba apache mysql
> > ms drbdservClone drbdserv \
> > meta master-max="1" master-node-max="1" clone-max="2"
> > clone-node-max="1" notify="true"
> > colocation fs_on_drbd inf: fsserv drbdservClone:Master
> > order fsserv-after-drbdserv inf: drbdservClone:promote fsserv:start
> > property $id="cib-bootstrap-options" \
> >
> > dc-version="1.1.7-2.mga1-ee0730e13d124c3d58f00016c3376a1de5323cff" \
> > cluster-infrastructure="corosync" \
> > stonith-enabled="false" \
> > no-quorum-policy="ignore"
> >
> > and here are the logs
> > http://pastebin.com/DcV2WM3M
> >
> > After looking for more information, I've added fences in drbd
> > configuration
> >
> > handlers {
> > fence-peer "/usr/lib/drbd/crm-fence-peer.sh";
> > after-resync-target "/usr/lib/drbd/crm-unfence-peer.sh";
> > }
> > but still without any success...
> >
> > Any help appreciated
> >
> > Cheers
> >
> > --
> > Anne
> >
> >
> > --
> > Anne
> > http://mageia.org
> >
> > _______________________________________________
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> > http://oss.clusterlabs.org/mailman/listinfo/pacemaker
> >
> > Project Home: http://www.clusterlabs.org
> > Getting started:
> http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
> > Bugs: http://bugs.clusterlabs.org
> >
> >
> >
> >
> > --
> > esta es mi vida e me la vivo hasta que dios quiera
> >
> >
> > _______________________________________________
> > Pacemaker mailing list: Pacemaker at oss.clusterlabs.org
> > http://oss.clusterlabs.org/mailman/listinfo/pacemaker
> >
> > Project Home: http://www.clusterlabs.org
> > Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
> > Bugs: http://bugs.clusterlabs.org
> >
>
>
> --
> Anne
> http://mageia.org
>
> _______________________________________________
> Pacemaker mailing list: Pacemaker at oss.clusterlabs.org
> http://oss.clusterlabs.org/mailman/listinfo/pacemaker
>
> Project Home: http://www.clusterlabs.org
> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
> Bugs: http://bugs.clusterlabs.org
>
--
esta es mi vida e me la vivo hasta que dios quiera
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