[Pacemaker] NFS server shutdown issue

[Andrew Beekhof]

On Fri, Nov 20, 2009 at 7:12 PM, Judd Tracy <judd at thetracys.net> wrote:
> It is a weird issue.  Redhat kills the nfs daemons with a kill -2 in their
> init script.  But when pacemaker starts the nfs daemons the only way to kill
> the daemons is a kill -9.  I don't have a clue what pacemaker is doing that
> would cause this behavior.

Pacemaker isn't doing anything, it just calls the scripts you tell it.

>
> As far as the mysql order constraint since the file system is in the group
> mysql won't it be brought after the drbd master is promoted?  And don't the
> members of the group get started in order?  I am a newbie so please correct
> me if I am wrong.

Oh, I may have missed the group part.

>
> Judd
>
> On Fri, Nov 20, 2009 at 2:29 AM, Andrew Beekhof <andrew at beekhof.net> wrote:
>>
>> On Thu, Nov 19, 2009 at 10:24 PM, Judd Tracy <judd at thetracys.net> wrote:
>> > I am trying to setup a drbd/nfs server in pacemaker on RHEL5 and am
>> > experiencing some wierd issues the the server is started using
>> > pacemaker.
>> > Pacemaker starts the daemons just fine, but when it tries to shutdown it
>> > cannot.  It calls /etc/init.d/nfs to shutdown the daemons, but they do
>> > not
>> > respond.
>>
>> I guess the scripts have a problem then.
>> Or perhaps you need some more ordering constraints so that the
>> services talking to nfs are shut down first.
>>
>> > When I start the daemons mysql using the same script I am able to
>> > kill them using the init.d script.  The logs show success trying to
>> > shutdown
>> > the daemons even though they do not.  I was wondering if anyone else has
>> > seen this issue?
>>
>> btw. Shouldn't
>>   order mysql_after_drbd_mysql inf: ms_drbd_mysql:promote mysql:start
>> be between mysql and the filesystem?
>>
>> >
>> >
>> > Judd
>> >
>> > Configuration:
>> >
>> > node filer1
>> > node filer2
>> > node mysql1
>> > node mysql2
>> > primitive drbd_mysql ocf:linbit:drbd \
>> >         params drbd_resource="mysql" \
>> >         op monitor interval="15s"
>> > primitive fs1_drbd ocf:linbit:drbd \
>> >         params drbd_resource="fs1"
>> > primitive fs1_lvm ocf:heartbeat:LVM \
>> >         params volgrpname="data_vg"
>> > primitive fs1_nfs ocf:heartbeat:nfsserver \
>> >         params nfs_init_script="/etc/init.d/nfs"
>> > nfs_notify_cmd="/sbin/rpc.statd" nfs_shared_infodir="/var/lib/nfs/"
>> > nfs_ip="fs1"
>> > primitive fs1_nfs_recovery_fs ocf:heartbeat:Filesystem \
>> >         params device="/dev/data_vg/v4recovery"
>> > directory="/var/lib/nfs/v4recovery/" fstype="ext3"
>> > primitive mysql_daemon ocf:heartbeat:mysql \
>> >         params binary="/usr/bin/mysqld_safe"
>> > pid="/var/run/mysqld/mysqld.pid"
>> > primitive mysql_fs ocf:heartbeat:Filesystem \
>> >         params device="/dev/drbd/by-res/mysql"
>> > directory="/var/lib/mysql"
>> > fstype="ext3"
>> > primitive mysql_ip ocf:heartbeat:IPaddr2 \
>> >         params ip="mysql" nic="eth0:0"
>> > group fs1 fs1_lvm fs1_nfs_recovery_fs fs1_nfs \
>> >         params target_role="stopped"
>> > group mysql mysql_fs mysql_ip mysql_daemon
>> > ms ms_drbd_mysql drbd_mysql \
>> >         meta master-max="1" master-node-max="1" clone-max="2"
>> > clone-node-max="1" notify="true" globally-unique="false"
>> > ms ms_fs1_drbd fs1_drbd \
>> >         meta master-max="1" master-node-max="1" clone-max="2"
>> > clone-node-max="1" notify="true" globally-unique="false"
>> > location drbd_mysql_on_mysql1 ms_drbd_mysql 100000: mysql1
>> > location drbd_mysql_on_mysql2 ms_drbd_mysql 100000: mysql2
>> > location fs1_drbd_on_filer1 ms_fs1_drbd 100000: filer1
>> > location fs1_drbd_on_filer2 ms_fs1_drbd 100000: filer2
>> > location fs1_on_filer1 fs1 100000: filer1
>> > location fs1_on_filer2 fs1 100000: filer2
>> > location mysql_on_mysql1 mysql 100000: mysql1
>> > location mysql_on_mysql2 mysql 100000: mysql2
>> > colocation fs1_on_fs1_drbd inf: fs1 ms_fs1_drbd:Master
>> > colocation mysql_on_drbd_mysql inf: mysql ms_drbd_mysql:Master
>> > order fs1_after_fs1_drbd inf: ms_fs1_drbd:promote fs1:start
>> > order mysql_after_drbd_mysql inf: ms_drbd_mysql:promote mysql:start
>> > property $id="cib-bootstrap-options" \
>> >         dc-version="1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7" \
>> >         cluster-infrastructure="openais" \
>> >         expected-quorum-votes="4" \
>> >         symmetric-cluster="false" \
>> >         stonith-enabled="false" \
>> >         last-lrm-refresh="1258664854"
>> >
>> > _______________________________________________
>> > Pacemaker mailing list
>> > Pacemaker at oss.clusterlabs.org
>> > http://oss.clusterlabs.org/mailman/listinfo/pacemaker
>> >
>> >
>>
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