[Pacemaker] MySQL HA with pacemaker and DRBD - How to monitor mysql service

coma coma.inf at gmail.com
Fri Mar 23 13:17:48 UTC 2012


it's done,

Here is the log from the second node, thank for your help, it very
apreciated!:

Mar 23 13:54:53 node2 attrd: [3102]: info: find_hash_entry: Creating hash
entry for last-failure-mysqld
Mar 23 13:54:53 node2 attrd: [3102]: info: attrd_perform_update: Delaying
operation last-failure-mysqld=<null>: cib not connected
Mar 23 13:54:53 node2 attrd: [3102]: info: find_hash_entry: Creating hash
entry for fail-count-mysqld
Mar 23 13:54:53 node2 attrd: [3102]: info: attrd_perform_update: Delaying
operation fail-count-mysqld=<null>: cib not connected
Mar 23 13:54:53 node2 lrmd: [3101]: debug: on_msg_add_rsc:client [3104]
adds resource mysqld
Mar 23 13:54:53 node2 crmd: [3104]: info: do_lrm_rsc_op: Performing
key=10:46:7:1f6f7a59-8e04-46d9-8a47-4b1ada0e6ea1 op=mysqld_monitor_0 )
Mar 23 13:54:53 node2 lrmd: [3101]: debug: on_msg_perform_op:2359: copying
parameters for rsc mysqld
Mar 23 13:54:53 node2 lrmd: [3101]: debug: on_msg_perform_op: add an
operation operation monitor[6] on ocf::mysql::mysqld for client 3104, its
parameters: socket=[/var/lib/mysql/mysql.sock]
binary=[/usr/bin/mysqld_safe] group=[mysql] CRM_meta_timeout=[20000]
crm_feature_set=[3.0.5] pid=[/var/run/mysqld/mysqld.pid] user=[mysql]
config=[/etc/my.cnf] datadir=[/data/mysql/databases]  to the operation list.
Mar 23 13:54:53 node2 lrmd: [3101]: info: rsc:mysqld:6: probe
Mar 23 13:54:53 node2 lrmd: [3101]: WARN: Managed mysqld:monitor process
3223 exited with return code 1.
Mar 23 13:54:53 node2 lrmd: [3101]: info: RA output:
(mysqld:monitor:stderr) /usr/lib/ocf/resource.d//heartbeat/mysql: line 45:
/usr/lib/ocf/lib/heartbeat/ocf-shellfuncs: No such file or directory
Mar 23 13:54:53 node2 crmd: [3104]: debug: create_operation_update:
do_update_resource: Updating resouce mysqld after complete monitor op
(interval=0)
Mar 23 13:54:53 node2 crmd: [3104]: info: process_lrm_event: LRM operation
mysqld_monitor_0 (call=6, rc=1, cib-update=10, confirmed=true) unknown error
Mar 23 13:54:54 node2 crmd: [3104]: info: do_lrm_rsc_op: Performing
key=3:47:0:1f6f7a59-8e04-46d9-8a47-4b1ada0e6ea1 op=mysqld_stop_0 )
Mar 23 13:54:54 node2 lrmd: [3101]: debug: on_msg_perform_op: add an
operation operation stop[7] on ocf::mysql::mysqld for client 3104, its
parameters: crm_feature_set=[3.0.5]  to the operation list.
Mar 23 13:54:54 node2 lrmd: [3101]: info: rsc:mysqld:7: stop
Mar 23 13:54:54 node2 lrmd: [3101]: info: RA output: (mysqld:stop:stderr)
/usr/lib/ocf/resource.d//heartbeat/mysql: line 45:
/usr/lib/ocf/lib/heartbeat/ocf-shellfuncs: No such file or directory -> I
just saw it, I will look over
Mar 23 13:54:54 node2 lrmd: [3101]: WARN: Managed mysqld:stop process 3241
exited with return code 1.
Mar 23 13:54:54 node2 crmd: [3104]: debug: create_operation_update:
do_update_resource: Updating resouce mysqld after complete stop op
(interval=0)
Mar 23 13:54:54 node2 crmd: [3104]: info: process_lrm_event: LRM operation
mysqld_stop_0 (call=7, rc=1, cib-update=12, confirmed=true) unknown error
Mar 23 13:54:54 node2 attrd: [3102]: debug: attrd_local_callback: update
message from node1: fail-count-mysqld=INFINITY
Mar 23 13:54:54 node2 attrd: [3102]: debug: attrd_local_callback: New value
of fail-count-mysqld is INFINITY
Mar 23 13:54:54 node2 attrd: [3102]: info: attrd_trigger_update: Sending
flush op to all hosts for: fail-count-mysqld (INFINITY)
Mar 23 13:54:54 node2 attrd: [3102]: info: attrd_perform_update: Delaying
operation fail-count-mysqld=INFINITY: cib not connected
Mar 23 13:54:54 node2 attrd: [3102]: debug: attrd_local_callback: update
message from node1: last-failure-mysqld=1332507294
Mar 23 13:54:54 node2 attrd: [3102]: debug: attrd_local_callback: New value
of last-failure-mysqld is 1332507294
Mar 23 13:54:54 node2 attrd: [3102]: info: attrd_trigger_update: Sending
flush op to all hosts for: last-failure-mysqld (1332507294)
Mar 23 13:54:54 node2 attrd: [3102]: info: attrd_perform_update: Delaying
operation last-failure-mysqld=1332507294: cib not connected
Mar 23 13:54:54 node2 attrd: [3102]: info: attrd_trigger_update: Sending
flush op to all hosts for: last-failure-mysqld (1332507294)
Mar 23 13:54:54 node2 cib: [3100]: debug: cib_process_xpath: cib_query:
//cib/status//node_state[@id='node2']//transient_attributes//nvpair[@name='last-failure-mysqld']
does not exist
Mar 23 13:54:54 node2 attrd: [3102]: info: attrd_perform_update: Sent
update 4: last-failure-mysqld=1332507294
Mar 23 13:54:54 node2 attrd: [3102]: info: attrd_trigger_update: Sending
flush op to all hosts for: fail-count-mysqld (INFINITY)
Mar 23 13:54:54 node2 cib: [3100]: debug: cib_process_xpath: cib_query:
//cib/status//node_state[@id='node2']//transient_attributes//nvpair[@name='fail-count-mysqld']
does not exist
Mar 23 13:54:54 node2 attrd: [3102]: info: attrd_perform_update: Sent
update 11: fail-count-mysqld=INFINITY
Mar 23 13:54:54 node2 attrd: [3102]: debug: attrd_cib_callback: Update 4
for last-failure-mysqld=1332507294 passed
Mar 23 13:54:54 node2 attrd: [3102]: debug: attrd_cib_callback: Update 11
for fail-count-mysqld=INFINITY passed



2012/3/23 emmanuel segura <emi2fast at gmail.com>

> The first thing you can do it's eliminate this "location
> master-prefer-node-1 Cluster-VIP 25: node1"
>
> because you have your virtual in group and i would like to see the log
> from the second node
>
> Thanks :-)
>
> Il giorno 23 marzo 2012 13:42, coma <coma.inf at gmail.com> ha scritto:
>
> Thank you for your responses,
>>
>> i have fixed my migration-treshold problem with lsb:mysqld ressource (i
>> can see migration-threshold=2 with crm_mon failcounts so its ok) bu
>> failover still doesn't work when mysql fail (but work fine when node fail
>> or standby).
>> So i've tried with the ocf ressource agent, it's work fine on my first
>> node but fail on my second node with unknown error.
>>
>> crm_mon --failcount:
>>
>> Failed actions:
>>     mysqld_monitor_0 (node=node2, call=6, rc=1, status=complete): unknown
>> error
>>     mysqld_stop_0 (node=node2, call=7, rc=1, status=complete): unknown
>> error
>>
>>
>> I have exactly the same mysql packages version and configuration on my
>> two nodes (with proper permissions), also corosync/heartbeat and pacemaker
>> are in the same version too:
>>
>> corosynclib-1.2.7-1.1.el5
>> corosync-1.2.7-1.1.el5
>> pacemaker-libs-1.1.5-1.1.el5
>> pacemaker-1.1.5-1.1.el5
>> heartbeat-3.0.3-2.3.el5
>> heartbeat-libs-3.0.3-2.3.el5
>> heartbeat-debuginfo-3.0.2-2.el5
>>
>> So i don't andersand wy it's works on one node but not on the second?
>>
>>
>> ressource config:
>>
>> primitive mysqld ocf:heartbeat:mysql \
>>         params binary="/usr/bin/mysqld_safe" config="/etc/my.cnf" \
>>         user="mysql" group="mysql" pid="/var/run/mysqld/mysqld.pid" \
>>         datadir="/data/mysql/databases"
>> socket="/var/lib/mysql/mysql.sock" \
>>         op start interval="0" timeout="120" \
>>         op stop interval="0" timeout="120" \
>>         op monitor interval="30" timeout="30" depth="0" \
>>         target-role="Started"
>>
>>
>> And same with (i have created test database / table + grant test user on
>> it):
>>
>> primitive mysqld ocf:heartbeat:mysql \
>>         params binary="/usr/bin/mysqld_safe" config="/etc/my.cnf" \
>>         datadir="/data/mysql/databases" user="mysql" \
>>         pid="/var/run/mysqld/mysqld.pid"
>> socket="/var/lib/mysql/mysql.sock" \
>>         test_passwd="test" test_table="Cluster.dbcheck" test_user="test" \
>>         op start interval="0" timeout="120" \
>>         op stop interval="0" timeout="120" \
>>         op monitor interval="30s" timeout="30s" OCF_CHECK_LEVEL="1" \
>>         meta migration-threshold="3" target-role="Started"
>>
>>
>> Full config:
>>
>> node node2 \
>>         attributes standby="off"
>> node node1 \
>>         attributes standby="off"
>> primitive Cluster-VIP ocf:heartbeat:IPaddr2 \
>>         params ip="x.x.x.x" broadcast="x.x.x.x" nic="eth0"
>> cidr_netmask="21" iflabel="VIP1" \
>>         op monitor interval="10s" timeout="20s" \
>>         meta is-managed="true"
>> primitive datavg ocf:heartbeat:LVM \
>>         params volgrpname="datavg" exclusive="true" \
>>         op start interval="0" timeout="30" \
>>         op stop interval="0" timeout="30"
>> primitive drbd_mysql ocf:linbit:drbd \
>>         params drbd_resource="drbd-mysql" \
>>         op monitor interval="15s"
>> primitive fs_mysql ocf:heartbeat:Filesystem \
>>         params device="/dev/datavg/data" directory="/data" fstype="ext3"
>> primitive mysqld ocf:heartbeat:mysql \
>>         params binary="/usr/bin/mysqld_safe" config="/etc/my.cnf"
>> user="mysql" group="mysql" pid="/var/run/mysqld/mysqld.pid"
>> datadir="/data/mysql/databases" socket="/var/lib/mysql/mysql.sock" \
>>         op start interval="0" timeout="120" \
>>         op stop interval="0" timeout="120" \
>>         op monitor interval="30" timeout="30" depth="0"
>> group mysql datavg fs_mysql Cluster-VIP mysqld
>> ms ms_drbd_mysql drbd_mysql \
>>         meta master-max="1" master-node-max="1" clone-max="2"
>> clone-node-max="1" notify="true"
>> location master-prefer-node-1 Cluster-VIP 25: node1
>> colocation mysql_on_drbd inf: mysql ms_drbd_mysql:Master
>> order mysql_after_drbd inf: ms_drbd_mysql:promote mysql:start
>> property $id="cib-bootstrap-options" \
>>
>> dc-version="1.1.5-1.1.el5-01e86afaaa6d4a8c4836f68df80ababd6ca3902f" \
>>         cluster-infrastructure="openais" \
>>         expected-quorum-votes="2" \
>>         stonith-enabled="false" \
>>         no-quorum-policy="ignore" \
>>         last-lrm-refresh="1332504626"
>> rsc_defaults $id="rsc-options" \
>>         resource-stickiness="100"
>>
>>
>>
>>
>>
>> 2012/3/22 Andreas Kurz <andreas at hastexo.com>
>>
>>>  On 03/22/2012 03:23 PM, coma wrote:
>>> > Thank you for your responses,
>>> >
>>> > I have added the migration-treshold on my mysqld ressource, when i kill
>>> > or manually stop mysql on one node, there is not failover on the second
>>> > node.
>>> > Also, when i look crm_mon --failcounts, i can see "mysqld:
>>> > migration-threshold=1000000 fail-count=1000000", so i don"t anderstand
>>> > why migration-threshold not equal 2?
>>> >
>>> > Migration summary:
>>> > * Node node1:
>>> >    mysqld: migration-threshold=1000000 fail-count=1000000
>>> > * Node node2:
>>> >
>>> > Failed actions:
>>> >     mysqld_monitor_10000 (node=node1, call=90, rc=7, status=complete):
>>> > not running
>>> >     mysqld_stop_0 (node=node1, call=93, rc=1, status=complete): unknown
>>> > error
>>>
>>> The lsb init script you are using seems to be not LSB compliant ...
>>> looks like it returns an error on stopping an already stopped mysql.
>>>
>>>
>>> http://clusterlabs.org/doc/en-US/Pacemaker/1.1/html-single/Pacemaker_Explained/index.html#ap-lsb
>>>
>>> Fix the script ... or better use the ocf resource agent.
>>>
>>> Regards,
>>> Andreas
>>>
>>> --
>>> Need help with Pacemaker?
>>> http://www.hastexo.com/now
>>>
>>> >
>>> >
>>> >
>>> > configuration:
>>> >
>>> > node node1 \
>>> >         attributes standby="off"
>>> > node node2 \
>>> >         attributes standby="off"
>>> > primitive Cluster-VIP ocf:heartbeat:IPaddr2 \
>>> >         params ip="x.x.x.x" broadcast="x.x.x.x" nic="eth0"
>>> > cidr_netmask="21" iflabel="VIP1" \
>>> >         op monitor interval="10s" timeout="20s" \
>>> >         meta is-managed="true"
>>> > primitive datavg ocf:heartbeat:LVM \
>>> >         params volgrpname="datavg" exclusive="true" \
>>> >         op start interval="0" timeout="30" \
>>> >         op stop interval="0" timeout="30"
>>> > primitive drbd_mysql ocf:linbit:drbd \
>>> >         params drbd_resource="drbd-mysql" \
>>> >         op monitor interval="15s"
>>> > primitive fs_mysql ocf:heartbeat:Filesystem \
>>> >         params device="/dev/datavg/data" directory="/data"
>>> fstype="ext3"
>>> > primitive mysqld lsb:mysqld \
>>> >         op monitor interval="10s" timeout="30s" \
>>> >         op start interval="0" timeout="120" \
>>> >         op stop interval="0" timeout="120" \
>>> >         meta target-role="Started" migration-threshold="2"
>>> > failure-timeout="20s"
>>> > group mysql datavg fs_mysql Cluster-VIP mysqld
>>> > ms ms_drbd_mysql drbd_mysql \
>>> >         meta master-max="1" master-node-max="1" clone-max="2"
>>> > clone-node-max="1" notify="true"
>>> > location master-prefer-node-1 Cluster-VIP 25: node1
>>> > colocation mysql_on_drbd inf: mysql ms_drbd_mysql:Master
>>> > order mysql_after_drbd inf: ms_drbd_mysql:promote mysql:start
>>> > property $id="cib-bootstrap-options" \
>>> >
>>> > dc-version="1.1.5-1.1.el5-01e86afaaa6d4a8c4836f68df80ababd6ca3902f" \
>>> >         cluster-infrastructure="openais" \
>>> >         expected-quorum-votes="2" \
>>> >         stonith-enabled="false" \
>>> >         no-quorum-policy="ignore" \
>>> >         last-lrm-refresh="1332425337"
>>> > rsc_defaults $id="rsc-options" \
>>> >         resource-stickiness="100"
>>> >
>>> >
>>> >
>>> > 2012/3/22 Andreas Kurz <andreas at hastexo.com <mailto:
>>> andreas at hastexo.com>>
>>> >
>>> >     On 03/22/2012 01:51 PM, coma wrote:
>>> >     > Ah yes thank you, the service status mysql is now monitored, but
>>> the
>>> >     > failover is not performed?
>>> >
>>> >     As long as local restarts are successful there is no need for a
>>> failover
>>> >     ... there is migration-treshold to limit local restart tries.
>>> >
>>> >     Regards,
>>> >     Andreas
>>> >
>>> >     --
>>> >     Need help with Pacemaker?
>>> >     http://www.hastexo.com/now
>>> >
>>> >     >
>>> >     >
>>> >     >
>>> >     > 2012/3/22 emmanuel segura <emi2fast at gmail.com
>>> >     <mailto:emi2fast at gmail.com> <mailto:emi2fast at gmail.com
>>> >     <mailto:emi2fast at gmail.com>>>
>>> >     >
>>> >     >     sorry
>>> >     >     I think you missed the op monitor operetion in your primitive
>>> >     definition
>>> >     >
>>> >     >
>>> >     >
>>> >     >     Il giorno 22 marzo 2012 11:52, emmanuel segura
>>> >     <emi2fast at gmail.com <mailto:emi2fast at gmail.com>
>>> >     >     <mailto:emi2fast at gmail.com <mailto:emi2fast at gmail.com>>> ha
>>> >     scritto:
>>> >     >
>>> >     >         I think you missed the op monitor operetion you primitive
>>> >     definition
>>> >     >
>>> >     >         Il giorno 22 marzo 2012 11:33, coma <coma.inf at gmail.com
>>> >     <mailto:coma.inf at gmail.com>
>>> >     >         <mailto:coma.inf at gmail.com <mailto:coma.inf at gmail.com>>>
>>> >     ha scritto:
>>> >     >
>>> >     >             Hello,
>>> >     >
>>> >     >             I have a question about mysql service monitoring
>>> into a
>>> >     >             MySQL HA cluster with pacemaker and DRBD,
>>> >     >             I have set up a configuration to allow a failover
>>> between
>>> >     >             two nodes, it work fine when a node is offline (or
>>> >     standby),
>>> >     >             but i want to know if it is possible to monitor the
>>> mysql
>>> >     >             service to perform a failover if mysql is stopped or
>>> >     >             unavailable?
>>> >     >
>>> >     >             Thank you in advance for any response.
>>> >     >
>>> >     >             My crm configuration:
>>> >     >
>>> >     >             node node1 \
>>> >     >                     attributes standby="off"
>>> >     >             node node2 \
>>> >     >                     attributes standby="off"
>>> >     >             primitive Cluster-VIP ocf:heartbeat:IPaddr2 \
>>> >     >                     params ip="x.x.x.x" broadcast="x.x.x.x"
>>> nic="eth0"
>>> >     >             cidr_netmask="21" iflabel="VIP1" \
>>> >     >                     op monitor interval="10s" timeout="20s" \
>>> >     >                     meta is-managed="true"
>>> >     >             primitive datavg ocf:heartbeat:LVM \
>>> >     >                     params volgrpname="datavg" exclusive="true" \
>>> >     >                     op start interval="0" timeout="30" \
>>> >     >                     op stop interval="0" timeout="30"
>>> >     >             primitive drbd_mysql ocf:linbit:drbd \
>>> >     >                     params drbd_resource="drbd-mysql" \
>>> >     >                     op monitor interval="15s"
>>> >     >             primitive fs_mysql ocf:heartbeat:Filesystem \
>>> >     >                     params device="/dev/datavg/data"
>>> directory="/data"
>>> >     >             fstype="ext3"
>>> >     >             primitive mysqld lsb:mysqld
>>> >     >             group mysql datavg fs_mysql Cluster-VIP mysqld
>>> >     >             ms ms_drbd_mysql drbd_mysql \
>>> >     >                     meta master-max="1" master-node-max="1"
>>> >     >             clone-max="2" clone-node-max="1" notify="true"
>>> >     >             location master-prefer-node-1 Cluster-VIP 25: node1
>>> >     >             colocation mysql_on_drbd inf: mysql
>>> ms_drbd_mysql:Master
>>> >     >             order mysql_after_drbd inf: ms_drbd_mysql:promote
>>> >     mysql:start
>>> >     >             property $id="cib-bootstrap-options" \
>>> >     >
>>> >     >
>>> >     dc-version="1.1.5-1.1.el5-01e86afaaa6d4a8c4836f68df80ababd6ca3902f"
>>> >     >             \
>>> >     >                     cluster-infrastructure="openais" \
>>> >     >                     expected-quorum-votes="2" \
>>> >     >                     stonith-enabled="false" \
>>> >     >                     no-quorum-policy="ignore" \
>>> >     >                     last-lrm-refresh="1332254494"
>>> >     >             rsc_defaults $id="rsc-options" \
>>> >     >                     resource-stickiness="100"
>>> >     >
>>> >     >
>>> >     >             _______________________________________________
>>> >     >             Pacemaker mailing list:
>>> Pacemaker at oss.clusterlabs.org
>>> >     <mailto:Pacemaker at oss.clusterlabs.org>
>>> >     >             <mailto: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://bugs.clusterlabs.org
>>> >     >
>>> >     >
>>> >     >
>>> >     >
>>> >     >         --
>>> >     >         esta es mi vida e me la vivo hasta que dios quiera
>>> >     >
>>> >     >
>>> >     >
>>> >     >
>>> >     >     --
>>> >     >     esta es mi vida e me la vivo hasta que dios quiera
>>> >     >
>>> >     >     _______________________________________________
>>> >     >     Pacemaker mailing list: Pacemaker at oss.clusterlabs.org
>>> >     <mailto:Pacemaker at oss.clusterlabs.org>
>>> >     >     <mailto: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://bugs.clusterlabs.org
>>> >     >
>>> >     >
>>> >     >
>>> >     >
>>> >     > _______________________________________________
>>> >     > 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://bugs.clusterlabs.org
>>> >
>>> >
>>> >
>>> >     _______________________________________________
>>> >     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://bugs.clusterlabs.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
>>>
>>>
>>>
>>> _______________________________________________
>>> 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
>>>
>>>
>>
>> _______________________________________________
>> 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
>
> _______________________________________________
> 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
>
>
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