[Pacemaker] Daemon Start attempt on wrong Server
Hauke Homburg
hhomburg at w3-creative.de
Tue Nov 11 15:38:29 UTC 2014
Am 11.11.2014 16:25, schrieb Andrei Borzenkov:
> В Tue, 11 Nov 2014 16:19:56 +0100
> Hauke Homburg<hhomburg at w3-creative.de> пишет:
>
>> Am 11.11.2014 13:34, schrieb Alexandre:
>>> You should use an opt out cluster. Set the cluster option
>>> symmetrical=false. This will tell corosync not to place a resource
>>> anywhere on the cluster, unless a location rule explicitly tell the
>>> cluster where it should run.
>>>
>>> Corosync will still monitor sql resources on www hosts and return rc 5
>>> but this is expected and works.
>>>
>>> Le 11 nov. 2014 13:22, "Hauke Homburg"<hhomburg at w3-creative.de
>>> <mailto:hhomburg at w3-creative.de>> a écrit :
>>>
>>> Hello,
>>>
>>> I am installing a 6 Node pacemaker CLuster. 3 Nodes for Apache, 3
>>> Nodes for Postgres.
>>>
>>> My Cluster Config is
>>>
>>> node kvm-node1
>>> node sql-node1
>>> node sql-node2
>>> node sql-node3
>>> node www-node1
>>> node www-node2
>>> node www-node3
>>> primitive pri_kvm_ip ocf:heartbeat:IPaddr2 \
>>> params ip="10.0.6.41" cidr_netmask="255.255.255.0" \
>>> op monitor interval="10s" timeout="20s"
>>> primitive pri_sql_ip ocf:heartbeat:IPaddr2 \
>>> params ip="10.0.6.31" cidr_netmask="255.255.255.0" \
>>> op monitor interval="10s" timeout="20s"
>>> primitive pri_www_ip ocf:heartbeat:IPaddr2 \
>>> params ip="10.0.6.21" cidr_netmask="255.255.255.0" \
>>> op monitor interval="10s" timeout="20s"
>>> primitive res_apache ocf:heartbeat:apache \
>>> params configfile="/etc/apache2/apache2.conf" \
>>> op start interval="0" timeout="40" \
>>> op stop interval="0" timeout="60" \
>>> op monitor interval="60" timeout="120" start-delay="0" \
>>> meta target-role="Started"
>>> primitive res_pgsql ocf:heartbeat:pgsql \
>>> params pgctl="/usr/lib/postgresql/9.1/bin/pg_ctl"
>>> psql="/usr/bin/psql" start_opt=""
>>> pgdata="/var/lib/postgresql/9.1/main"
>>> config="/etc/postgresql/9.1/main/postgresql.conf" pgdba="postgres" \
>>> op start interval="0" timeout="120s" \
>>> op stop interval="0" timeout="120s" \
>>> op monitor interval="30s" timeout="30s" depth="0"
>>> location loc_kvm_ip_node1 pri_kvm_ip 10001: kvm-node1
>>> location loc_sql_ip_node1 pri_sql_ip inf: sql-node1
>>> location loc_sql_ip_node2 pri_sql_ip inf: sql-node2
>>> location loc_sql_ip_node3 pri_sql_ip inf: sql-node3
>>> location loc_sql_srv_node1 res_pgsql inf: sql-node1
>>> location loc_sql_srv_node2 res_pgsql inf: sql-node2
>>> location loc_sql_srv_node3 res_pgsql inf: sql-node3
>>> location loc_www_ip_node1 pri_www_ip inf: www-node1
>>> location loc_www_ip_node2 pri_www_ip inf: www-node2
>>> location loc_www_ip_node3 pri_www_ip inf: www-node3
>>> location loc_www_srv_node1 res_apache inf: www-node1
>>> location loc_www_srv_node2 res_apache inf: www-node2
>>> location loc_www_srv_node3 res_apache inf: www-node3
>>> property $id="cib-bootstrap-options" \
>>> dc-version="1.1.7-ee0730e13d124c3d58f00016c3376a1de5323cff" \
>>> cluster-infrastructurFailed actions:
>>>
>>> Why do i see in crm_mon the following output?
>>>
>>> res_pgsql_start_0 (node=www-node1, call=16, rc=5,
>>> status=complete): not installed
>>> res_pgsql_start_0 (node=www-node2, call=13, rc=5,
>>> status=complete): not installed
>>> pri_www_ip_monitor_10000 (node=www-node3, call=22, rc=7,
>>> status=complete): not running
>>> res_pgsql_start_0 (node=www-node3, call=13, rc=5,
>>> status=complete): not installed
>>> res_apache_start_0 (node=sql-node2, call=18, rc=5,
>>> status=complete): not installed
>>> res_pgsql_start_0 (node=sql-node2, call=12, rc=5,
>>> status=complete): not installed
>>> res_apache_start_0 (node=sql-node3, call=12, rc=5,
>>> status=complete): not installed
>>> res_pgsql_start_0 (node=sql-node3, call=10, rc=5,
>>> status=complete): not installed
>>> res_apache_start_0 (node=kvm-node1, call=12, rc=5,
>>> status=complete): not installed
>>> res_pgsql_start_0 (node=kvm-node1, call=20, rc=5,
>>> status=complete): not installede="openais" \
>>> expected-quorum-votes="7" \
>>> stonith-enabled="false"
>>>
>>>
>>> I set the infinity for pgsql on all 3 sql nodes, but not! on the
>>> www nodes. Why tries Pacemaker to start the Postgres SQL Server on
>>> the www Node? In example?
>>>
>>> Thank for your Help
>>>
>>> greetings
>>>
>>> Hauke
>>>
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>>>
>>>
>>>
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>>>
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>> Hello Alexandre,
>>
>> Why can't i set the infinity for the SQL servernodes to start the SQL
>> Daemon only on the sql-nodes? I thought that has to be all?
>>
> http://clusterlabs.org/doc/en-US/Pacemaker/1.0/html/Pacemaker_Explained/s-resource-location.html
>
>> Greetings
>>
>> Hauke
You are right.
The Page says score: Values of +/- |INFINITY| change "can" to "must".
I have set location loc_sql_srv_node1 res_pgsql inf: sql-node1. But not
to www-node1. So i am wondering.
Greetings
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