[Pacemaker] pacemaker won't start mysql in the second node

Bart Coninckx bart.coninckx at telenet.be
Tue Feb 1 20:17:53 UTC 2011


Ha, hadn't heard of that book yet. Too bad it's in German. Mein Deutsch
is nicht so slecht aber nicht gut genug für technische Zagen ;-)


On 02/01/11 21:00, paul harford wrote:
> Hi bart
> i think your right linit is looking the best or Michael Schwartzkopff's
> book if its avaiable in english
> 
> Paul
> 
> On 1 February 2011 19:44, Bart Coninckx <bart.coninckx at telenet.be
> <mailto:bart.coninckx at telenet.be>> wrote:
> 
>     Novell will not support you unless you use SLES, same for Redhat and
>     RHEL. Not sure about IBM, but they are $$$. So the wonderful people of
>     Linbit seem a good choice.
> 
> 
> 
> 
>     On 02/01/11 18:20, Liang.Ma at asc-csa.gc.ca
>     <mailto:Liang.Ma at asc-csa.gc.ca> wrote:
>     > Hi There,
>     >
>     > I think we should seek professional help. Since the clusters we
>     are going to build contain components such as heartbeat, corosync,
>     pacemaker, drbd and ocfs2 or gfs2. And also I know there are quite a
>     few companies who provide the support. So anyone has any suggestion,
>     IBM, Redhat, Novell, or linbit?
>     >
>     > Thanks in advance.
>     >
>     > Liang Ma
>     > Contractuel | Consultant | SED Systems Inc.
>     > Ground Systems Analyst
>     > Agence spatiale canadienne | Canadian Space Agency
>     > 6767, Route de l'Aéroport, Longueuil (St-Hubert), QC, Canada, J3Y 8Y9
>     > Tél/Tel : (450) 926-5099 | Téléc/Fax: (450) 926-5083
>     > Courriel/E-mail : [liang.ma <http://liang.ma>@space.gc.ca
>     <http://space.gc.ca>]
>     > Site web/Web site : [www.space.gc.ca <http://www.space.gc.ca> ]
>     >
>     >
>     >
>     >
>     > -----Original Message-----
>     > From: Ma, Liang
>     > Sent: January 31, 2011 10:48 AM
>     > To: 'The Pacemaker cluster resource manager'
>     > Subject: RE: [Pacemaker] pacemaker won't start mysql in the second
>     node
>     >
>     > Sorry for sending this again. The log format was a bit messy in
>     the previous one.
>     >
>     > Thanks for your hints. I went through the cluster logs more
>     carefully. By comparing the logs from the two nodes, the real
>     different is after the line
>     >
>     > info: process_lrm_event: LRM operation fs_mysql_start_0
>     >
>     > On node arsvr1, after that line we got a confirmation on Action
>     fs_mysql_start_0 as such
>     >
>     > info: match_graph_event: Action fs_mysql_start_0 (8) confirmed on
>     arsvr1
>     >
>     > and then went on to Initiating action 9: start mysql_start_0 on
>     arsvr1 (local).
>     >
>     > However on node arsvr2, we never see the confirmation from Action
>     fs_mysql_start_0. So mysql_start_0 is never called. But the strange
>     thing is, I can see the drbd partition of fs_mysql is properly
>     mounted on arsvr2. Anyone knows what might stop arsvr2 to run that
>     Action fs_mysql_start_0 (8) confirmed?
>     >
>     > Thanks in advance.
>     >
>     > Here are the logs from the two nodes.
>     >
>     > Logs on Node 2:
>     >
>     > Jan 28 14:24:23 arsvr2 lrmd: [919]: info: rsc:fs_mysql:229: start
>     > Jan 28 14:24:23 arsvr2 Filesystem[1568]: [1596]: INFO: Running
>     start for /dev/drbd/by-res/r0 on /var/lib/mysql
>     > Jan 28 14:24:23 arsvr2 lrmd: [919]: info: RA output:
>     (fs_mysql:start:stderr) FATAL: Module scsi_hostadapter not found.
>     > Jan 28 14:24:23 arsvr2 Filesystem[1568]: [1606]: INFO: Starting
>     filesystem check on /dev/drbd/by-res/r0
>     > Jan 28 14:24:23 arsvr2 lrmd: [919]: info: RA output:
>     (fs_mysql:start:stdout) fsck from util-linux-ng 2.17.2
>     > Jan 28 14:24:23 arsvr2 lrmd: [919]: info: RA
>     output:(fs_mysql:start:stdout) /dev/drbd0: clean, 178/3276800 files,
>     257999/13106791 blocks
>     > Jan 28 14:24:23 arsvr2 crmd: [922]: info: process_lrm_event: LRM
>     operation fs_mysql_start_0 (call=229, rc=0,
>     cib-update=251,confirmed=true) ok
>     > Jan 28 14:24:46 arsvr2 cib: [918]: info: cib_stats: Processed 149
>     operations (0.00us average, 0% utilization) in the last 10min
>     >
>     > Logs on Node 1:
>     >
>     > Jan 28 14:28:58 arsvr1 lrmd: [1065]: info: rsc:fs_mysql:867: start
>     > Jan 28 14:28:58 arsvr1 crmd: [1068]: info: te_rsc_command:
>     Initiating action 31: monitor drbd_mysql:1_monitor_15000 on arsvr2
>     > Jan 28 14:28:58 arsvr1 Filesystem[516]: [544]: INFO: Running start
>     for /dev/drbd/by-res/r0 on /var/lib/mysql
>     > Jan 28 14:28:58 arsvr1 lrmd: [1065]: info: RA
>     output:(fs_mysql:start:stderr) FATAL: Module scsi_hostadapter not found.
>     > Jan 28 14:28:58 arsvr1 Filesystem[516]: [554]: INFO: Starting
>     filesystem check on /dev/drbd/by-res/r0
>     > Jan 28 14:28:58 arsvr1 lrmd: [1065]: info: RA
>     output:(fs_mysql:start:stdout) fsck from util-linux-ng 2.17.2
>     > Jan 28 14:28:58 arsvr1 lrmd: [1065]: info: RA
>     output:(fs_mysql:start:stdout) /dev/drbd0: clean, 178/3276800
>     files,257999/13106791 blocks
>     > Jan 28 14:28:58 arsvr1 crmd: [1068]: info: process_lrm_event: LRM
>     operation fs_mysql_start_0 (call=867, rc=0,
>     cib-update=1650,confirmed=true) ok
>     > Jan 28 14:28:58 arsvr1 crmd: [1068]: info: match_graph_event:
>     Action fs_mysql_start_0 (8) confirmed on arsvr1 (rc=0)
>     > Jan 28 14:28:58 arsvr1 crmd: [1068]: info: te_rsc_command:
>     Initiating action 9: start mysql_start_0 on arsvr1 (local)
>     > Jan 28 14:28:58 arsvr1 crmd: [1068]: info: do_lrm_rsc_op:
>     Performing key=9:551:0:9c402121-906c-42de-a18a-68deb24208cb
>     op=mysql_start_0 )
>     > Jan 28 14:28:58 arsvr1 lrmd: [1065]: info: rsc:mysql:868: start
>     > Jan 28 14:28:58 arsvr1 mysqld_safe: Starting mysqld daemon with
>     databases from /var/lib/mysql
>     > Jan 28 14:28:59 arsvr1 crmd: [1068]: info: match_graph_event:
>     Action drbd_mysql:1_monitor_15000 (31) confirmed on arsvr2 (rc=0)
>     > Jan 28 14:29:02 arsvr1 mysql[576]: [728]: INFO: MySQL started
>     > Jan 28 14:29:02 arsvr1 crmd: [1068]: info: process_lrm_event: LRM
>     operation mysql_start_0 (call=868, rc=0,
>     cib-update=1651,confirmed=true) ok
>     > Jan 28 14:29:02 arsvr1 crmd: [1068]: info: match_graph_event:
>     Action mysql_start_0 (9) confirmed on arsvr1 (rc=0)
>     >
>     >
>     > Liang Ma
>     > Contractuel | Consultant | SED Systems Inc.
>     > Ground Systems Analyst
>     > Agence spatiale canadienne | Canadian Space Agency
>     > 6767, Route de l'Aéroport, Longueuil (St-Hubert), QC, Canada, J3Y 8Y9
>     > Tél/Tel : (450) 926-5099 | Téléc/Fax: (450) 926-5083
>     > Courriel/E-mail : [liang.ma <http://liang.ma>@space.gc.ca
>     <http://space.gc.ca>]
>     > Site web/Web site : [www.space.gc.ca <http://www.space.gc.ca> ]
>     >
>     >
>     >
>     >
>     >
>     >
>     >
>     >
>     > -----Original Message-----
>     > From: Dejan Muhamedagic [mailto:dejanmm at fastmail.fm
>     <mailto:dejanmm at fastmail.fm>]
>     > Sent: January 28, 2011 11:09 AM
>     > To: The Pacemaker cluster resource manager
>     > Subject: Re: [Pacemaker] pacemaker won't start mysql in the second
>     node
>     >
>     > On Fri, Jan 28, 2011 at 08:50:45AM -0500, Liang.Ma at asc-csa.gc.ca
>     <mailto:Liang.Ma at asc-csa.gc.ca> wrote:
>     >> Hi Dejan, thanks for your reply.
>     >>
>     >> That's one of the problem. I don't see any logs in log file
>     /var/log/mysql/error.log.
>     >
>     > I meant the cluster logs.
>     >
>     >> I checked the permission of directories /var/run/mysqld and
>     /var/log/mysql. In both nodes they are the same as
>     >>
>     >> drwxr-xr-x 2 mysql root 40 2011-01-27 13:50 /var/run/mysqld/
>     >> drwxr-s--- 2 mysql adm 4096 2011-01-27 11:34 /var/log/mysql
>     >>
>     >> By the way, under which user pacemaker runs, root or someone else?
>     >
>     > pacemaker is a collection of programs. At any rate, the RA run
>     > as root, but may su to another user (mysql) depending on the
>     > resource configuration.
>     >
>     > Thanks,
>     >
>     > Dejan
>     >
>     >> Liang Ma
>     >> Contractuel | Consultant | SED Systems Inc.
>     >> Ground Systems Analyst
>     >> Agence spatiale canadienne | Canadian Space Agency
>     >> 6767, Route de l'Aéroport, Longueuil (St-Hubert), QC, Canada, J3Y 8Y9
>     >> Tél/Tel : (450) 926-5099 | Téléc/Fax: (450) 926-5083
>     >> Courriel/E-mail : [liang.ma <http://liang.ma>@space.gc.ca
>     <http://space.gc.ca>]
>     >> Site web/Web site : [www.space.gc.ca <http://www.space.gc.ca> ]
>     >>
>     >>
>     >>
>     >>
>     >> -----Original Message-----
>     >> From: Dejan Muhamedagic [mailto:dejanmm at fastmail.fm
>     <mailto:dejanmm at fastmail.fm>]
>     >> Sent: January 28, 2011 8:26 AM
>     >> To: The Pacemaker cluster resource manager
>     >> Subject: Re: [Pacemaker] pacemaker won't start mysql in the
>     second node
>     >>
>     >> Hi,
>     >>
>     >> On Thu, Jan 27, 2011 at 11:51:31AM -0500, Liang.Ma at asc-csa.gc.ca
>     <mailto:Liang.Ma at asc-csa.gc.ca> wrote:
>     >>>
>     >>>
>     >>> Hi There,
>     >>>
>     >>> I have set up a pair of ha LAMP servers using heartbeat,
>     pacemaker and
>     >>> drbd on Ubuntu 10.04 LTS. Everything works fine until I upgraded
>     >>> mysql-server from 5.1.41-3ubuntu12.6 to 5.1.41-3ubuntu12.9. Now
>     node 1
>     >>> (arsvr1) works still fine, but mysql on node 2 (arsvr2) won't start
>     >>> when I switch arsvr1 standby. The error message shown from "crm
>     >>> status" is
>     >>>
>     >>> Failed actions:
>     >>> mysql_start_0 (node=arsvr2, call=32, rc=4, status=complete):
>     >>> insufficient privileges
>     >>>
>     >>> No errors logged in /var/log/mysql/error.log at all.
>     >>
>     >> I think that you should check directory permissions. The log
>     >> file should give you a hint.
>     >>
>     >> Thanks,
>     >>
>     >> Dejan
>     >>
>     >>
>     >>> drbd mysql partition mounted properly. If I go to
>     >>> /usr/lib/ocf/resource.d/heartbeat and set the OCF_RESKEY
>     parameters, I
>     >>> have no problem to start mysql server by "./mysql start". But the
>     >>> resource mysql won't show up in crm status.
>     >>>
>     >>> So looks somehow pacemaker fail to start resource mysql even before
>     >>> running the resource script.
>     >>>
>     >>> Here is the configuration
>     >>>
>     >>> node $id="bc6bf61d-6b5f-4307-85f3-bf7bb11531bb" arsvr2 \
>     >>>     attributes standby="off"
>     >>> node $id="bf0e7394-9684-42b9-893b-5a9a6ecddd7e" arsvr1 \
>     >>>     attributes standby="off"
>     >>> primitive apache2 lsb:apache2 \
>     >>>     op start interval="0" timeout="60" \
>     >>>     op stop interval="0" timeout="120" start-delay="15" \
>     >>>     meta target-role="Started"
>     >>> primitive drbd_mysql ocf:linbit:drbd \
>     >>>     params drbd_resource="r0" \
>     >>>     op monitor interval="15s"
>     >>> primitive drbd_webfs ocf:linbit:drbd \
>     >>>     params drbd_resource="r1" \
>     >>>     op monitor interval="15s" \
>     >>>     op start interval="0" timeout="240" \
>     >>>     op stop interval="0" timeout="100"
>     >>> primitive fs_mysql ocf:heartbeat:Filesystem \
>     >>>     params device="/dev/drbd/by-res/r0"
>     directory="/var/lib/mysql" fstype="ext4" \
>     >>>     op start interval="0" timeout="60" \
>     >>>     op stop interval="0" timeout="120" \
>     >>>     meta target-role="Started"
>     >>> primitive fs_webfs ocf:heartbeat:Filesystem \
>     >>>     params device="/dev/drbd/by-res/r1" directory="/srv"
>     fstype="ext4" \
>     >>>     op start interval="0" timeout="60" \
>     >>>     op stop interval="0" timeout="120" \
>     >>>     meta target-role="Started"
>     >>> primitive ip1 ocf:heartbeat:IPaddr2 \
>     >>>     params ip="10.10.10.193" nic="eth0" \
>     >>>     op monitor interval="5s"
>     >>> primitive ip1arp ocf:heartbeat:SendArp \
>     >>>     params ip="10.10.10.193" nic="eth0"
>     >>> primitive mysql ocf:heartbeat:mysql \
>     >>>     params binary="/usr/bin/mysqld_safe" config="/etc/mysql/my.cnf"
>     >>> user="mysql" group="mysql" log="/var/log/mysql.log"
>     >>> pid="/var/run/mysqld/mysqld.pid" datadir="/var/lib/mysql"
>     >>> socket="/var/run/mysqld/mysqld.sock" \
>     >>>     op monitor interval="30s" timeout="30s" \
>     >>>     op start interval="0" timeout="120" \
>     >>>     op stop interval="0" timeout="120" \
>     >>>     meta target-role="Started"
>     >>> group MySQLDB fs_mysql mysql \
>     >>>     meta target-role="Started"
>     >>> group WebServices ip1 ip1arp fs_webfs apache2 \
>     >>>     meta target-role="Started"
>     >>> ms ms_drbd_mysql drbd_mysql \
>     >>>     meta master-max="1" master-node-max="1" clone-max="2"
>     >>> clone-node-max="1" notify="true"
>     >>> ms ms_drbd_webfs drbd_webfs \
>     >>>     meta master-max="1" master-node-max="1" clone-max="2"
>     >>> clone-node-max="1" notify="true" target-role="Started"
>     >>> colocation apache2_with_ip inf: apache2 ip1
>     >>> colocation apache2_with_mysql inf: apache2 ms_drbd_mysql:Master
>     >>> colocation apache2_with_webfs inf: apache2 ms_drbd_webfs:Master
>     >>> colocation fs_on_drbd inf: fs_mysql ms_drbd_mysql:Master
>     >>> colocation ip_with_ip_arp inf: ip1 ip1arp
>     >>> colocation mysql_on_drbd inf: MySQLDB ms_drbd_mysql:Master
>     >>> colocation web_with_mysql inf: MySQLDB WebServices
>     >>> colocation webfs_on_drbd inf: fs_webfs ms_drbd_webfs:Master
>     >>> colocation webfs_with_fs inf: fs_webfs fs_mysql
>     >>> order apache2-after-arp inf: ip1arp:start apache2:start
>     >>> order arp-after-ip inf: ip1:start ip1arp:start
>     >>> order fs-mysql-after-drbd inf: ms_drbd_mysql:promote fs_mysql:start
>     >>> order fs-webfs-after-drbd inf: ms_drbd_webfs:promote fs_webfs:start
>     >>> order ip-after-mysql inf: mysql:start ip1:start
>     >>> order mysql-after-fs-mysql inf: fs_mysql:start mysql:start
>     >>> property $id="cib-bootstrap-options" \
>     >>>     dc-version="1.0.8-042548a451fce8400660f6031f4da6f0223dd5dd" \
>     >>>     cluster-infrastructure="Heartbeat" \
>     >>>     expected-quorum-votes="1" \
>     >>>     stonith-enabled="false" \
>     >>>     no-quorum-policy="ignore"
>     >>> rsc_defaults $id="rsc-options" \
>     >>>     resource-stickiness="100"
>     >>>
>     >>> Any help please?
>     >>>
>     >>> Thanks,
>     >>>
>     >>> Liang Ma
>     >>> Contractuel | Consultant | SED Systems Inc.
>     >>> Ground Systems Analyst
>     >>> Agence spatiale canadienne | Canadian Space Agency
>     >>> 6767, Route de l'Aéroport, Longueuil (St-Hubert), QC, Canada,
>     J3Y 8Y9
>     >>> Tél/Tel : (450) 926-5099 | Téléc/Fax: (450) 926-5083
>     >>> Courriel/E-mail : [liang.ma <http://liang.ma>@space.gc.ca
>     <http://space.gc.ca>]
>     >>> Site web/Web site : [www.space.gc.ca <http://www.space.gc.ca> ]
>     >>>
>     >>>
>     >>>
>     >>>
>     >>> _______________________________________________
>     >>> Pacemaker mailing list: Pacemaker at oss.clusterlabs.org
>     <mailto: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://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker
>     >>
>     >> _______________________________________________
>     >> Pacemaker mailing list: Pacemaker at oss.clusterlabs.org
>     <mailto: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://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker
>     >>
>     >> _______________________________________________
>     >> Pacemaker mailing list: Pacemaker at oss.clusterlabs.org
>     <mailto: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://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker
>     >
>     > _______________________________________________
>     > Pacemaker mailing list: Pacemaker at oss.clusterlabs.org
>     <mailto: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://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker
>     >
>     > _______________________________________________
>     > Pacemaker mailing list: Pacemaker at oss.clusterlabs.org
>     <mailto: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://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker
> 
>     _______________________________________________
>     Pacemaker mailing list: Pacemaker at oss.clusterlabs.org
>     <mailto: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://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker
> 
> 
> 
> 
> _______________________________________________
> 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://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker




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