[Pacemaker] re：pacemaker won't start mysql in the second node
jiaju liu
liujiaju86 at yahoo.com.cn
Wed Feb 9 03:00:28 EST 2011
> >> Liang Ma
> >> Contractuel | Consultant | SED Systems Inc.
> >> Ground Systems Analyst
> >> Agence spatiale canadienne | Canadian Space Agency
> >> 6767, Route de l'A?roport, Longueuil (St-Hubert), QC, Canada, J3Y 8Y9
> >> T?l/Tel : (450) 926-5099 | T?l?c/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,
> >>>
HI your LAMP is linux+apache+mysql+php?
> >>> 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
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