[ClusterLabs] Fwd: Issue with resource-agents ocf:heartbeat:mariadb

Olivier POUILLY olivier.pouilly at deveryware.com
Fri Apr 9 04:04:58 EDT 2021


Hi team,

Thanks for this great job on those library.

I would like to know if it was possible to get some help on the mariadb 
resource.

After the configuration of my cluster pcs command shows me:

root at node1:~# pcs status
Cluster name: clusterserver
Stack: corosync
Current DC: node1 (version 2.0.1-9e909a5bdd) - partition with quorum
Last updated: Thu Apr  8 15:45:35 2021
Last change: Thu Apr  8 15:45:25 2021 by root via cibadmin on node1

2 nodes configured
2 resources configured

Online: [ node1 node2 ]

Full list of resources:

  Clone Set: mariadb_server-clone [mariadb_server] (promotable)
      Masters: [ node1 ]
      Slaves: [ node2 ]

Daemon Status:
   corosync: active/disabled
   pacemaker: active/disabled
   pcsd: active/enabled


But when I go to mysql on server2 I see my slave statys off:

MariaDB [(none)]> SHOW SLAVE STATUS\G
*************************** 1. row ***************************
                 Slave_IO_State:
                    Master_Host: node1
                    Master_User: replication
                    Master_Port: 3306
                  Connect_Retry: 60
                Master_Log_File: master-bin.000001
            Read_Master_Log_Pos: 463
                 Relay_Log_File: master-relay-bin.000002
                  Relay_Log_Pos: 672
          Relay_Master_Log_File: master-bin.000001
               Slave_IO_Running: No
              Slave_SQL_Running: No
                Replicate_Do_DB:
            Replicate_Ignore_DB:
             Replicate_Do_Table:
         Replicate_Ignore_Table:
        Replicate_Wild_Do_Table:
    Replicate_Wild_Ignore_Table:
                     Last_Errno: 0
                     Last_Error:
                   Skip_Counter: 0
            Exec_Master_Log_Pos: 463
                Relay_Log_Space: 2935
                Until_Condition: None
                 Until_Log_File:
                  Until_Log_Pos: 0
             Master_SSL_Allowed: No
             Master_SSL_CA_File:
             Master_SSL_CA_Path:
                Master_SSL_Cert:
              Master_SSL_Cipher:
                 Master_SSL_Key:
          Seconds_Behind_Master: NULL
  Master_SSL_Verify_Server_Cert: No
                  Last_IO_Errno: 0
                  Last_IO_Error:
                 Last_SQL_Errno: 0
                 Last_SQL_Error:
    Replicate_Ignore_Server_Ids:
               Master_Server_Id: 0
                 Master_SSL_Crl:
             Master_SSL_Crlpath:
                     Using_Gtid: Current_Pos
                    Gtid_IO_Pos:
        Replicate_Do_Domain_Ids:
    Replicate_Ignore_Domain_Ids:
                  Parallel_Mode: conservative
                      SQL_Delay: 0
            SQL_Remaining_Delay: NULL
        Slave_SQL_Running_State:
               Slave_DDL_Groups: 0
Slave_Non_Transactional_Groups: 0
     Slave_Transactional_Groups: 0


On pacemaker log I got the following message:

Apr 08 19:26:18 node2 pacemaker-execd [6899] (operation_finished)     
notice: mariadb_server_start_0:7072:stderr [ Error performing operation: 
No such device or address ]


Here is the detailed of my configuration:

- pcs : 0.10.1

- Pacemaker 2.0.1

- Corosync Cluster Engine, version '3.0.1'

- mariadb  Ver 15.1 Distrib 10.3.27-MariaDB

- Debian 10.8

Mysql configuration:

[server]

[mysqld]
user                    = mysql
pid-file                = /run/mysqld/mysqld.pid
socket                  = /run/mysqld/mysqld.sock
basedir                 = /usr
datadir                 = /var/lib/mysql
tmpdir                  = /tmp
lc-messages-dir         = /usr/share/mysql
bind-address            = 0.0.0.0
query_cache_size        = 16M
log_error = /var/log/mysql/error.log
server-id=2
expire_logs_days        = 10
character-set-server  = utf8mb4
collation-server      = utf8mb4_general_ci
[embedded]
[mariadb]
log-bin
server-id=2
log-basename=master
[mariadb-10.3]

Corosync configuration:

<cib crm_feature_set="3.1.0" validate-with="pacemaker-3.2" epoch="21" 
num_updates="0" admin_epoch="0" cib-last-written="Thu Apr  8 19:26:13 
2021" update-origin="node1" update-client="cibadmin" update-user="root" 
have-quorum="1" dc-uuid="1">
   <configuration>
     <crm_config>
       <cluster_property_set id="cib-bootstrap-options">
         <nvpair id="cib-bootstrap-options-stonith-enabled" 
name="stonith-enabled" value="false"/>
         <nvpair id="cib-bootstrap-options-no-quorum-policy" 
name="no-quorum-policy" value="ignore"/>
         <nvpair id="cib-bootstrap-options-have-watchdog" 
name="have-watchdog" value="false"/>
         <nvpair id="cib-bootstrap-options-dc-version" name="dc-version" 
value="2.0.1-9e909a5bdd"/>
         <nvpair id="cib-bootstrap-options-cluster-infrastructure" 
name="cluster-infrastructure" value="corosync"/>
         <nvpair id="cib-bootstrap-options-cluster-name" 
name="cluster-name" value="clusterserver"/>
       </cluster_property_set>
       <cluster_property_set id="mysql_replication">
         <nvpair id="mysql_replication-mariadb_server_REPL_INFO" 
name="mariadb_server_REPL_INFO" value="node1"/>
       </cluster_property_set>
     </crm_config>
     <nodes>
       <node id="1" uname="node1"/>
       <node id="2" uname="node2"/>
     </nodes>
     <resources>
       <clone id="mariadb_server-clone">
         <primitive class="ocf" id="mariadb_server" provider="heartbeat" 
type="mariadb">
           <instance_attributes id="mariadb_server-instance_attributes">
             <nvpair id="mariadb_server-instance_attributes-binary" 
name="binary" value="/usr/sbin/mysqld"/>
             <nvpair id="mariadb_server-instance_attributes-config" 
name="config" value="/etc/mysql/my.cnf"/>
             <nvpair id="mariadb_server-instance_attributes-datadir" 
name="datadir" value="/var/lib/mysql"/>
             <nvpair id="mariadb_server-instance_attributes-node_list" 
name="node_list" value="node1 node2"/>
             <nvpair id="mariadb_server-instance_attributes-pid" 
name="pid" value="/var/run/mysqld/mysqld.pid"/>
             <nvpair 
id="mariadb_server-instance_attributes-replication_passwd" 
name="replication_passwd" value="similarly-secure-password"/>
             <nvpair 
id="mariadb_server-instance_attributes-replication_user" 
name="replication_user" value="replication"/>
             <nvpair id="mariadb_server-instance_attributes-socket" 
name="socket" value="/var/run/mysqld/mysqld.sock"/>
           </instance_attributes>
           <meta_attributes id="mariadb_server-meta_attributes">
             <nvpair id="mariadb_server-meta_attributes-clone-max" 
name="clone-max" value="2"/>
             <nvpair id="mariadb_server-meta_attributes-clone-node-max" 
name="clone-node-max" value="1"/>
             <nvpair id="mariadb_server-meta_attributes-master-max" 
name="master-max" value="1"/>
             <nvpair id="mariadb_server-meta_attributes-master-node-max" 
name="master-node-max" value="1"/>
             <nvpair id="mariadb_server-meta_attributes-notify" 
name="notify" value="true"/>
             <nvpair id="mariadb_server-meta_attributes-promotable-max" 
name="promotable-max" value="1"/>
             <nvpair 
id="mariadb_server-meta_attributes-promotable-node-max" 
name="promotable-node-max" value="1"/>
           </meta_attributes>
           <operations>
             <op id="mariadb_server-demote-interval-0" interval="0" 
name="demote" timeout="120"/>
             <op id="mariadb_server-monitor-interval-10" interval="10" 
name="monitor" role="Master" timeout="30"/>
             <op id="mariadb_server-monitor-interval-20" interval="20" 
name="monitor" role="Slave" timeout="30"/>
             <op id="mariadb_server-notify-interval-0s" interval="0s" 
name="notify" timeout="60s"/>
             <op id="mariadb_server-promote-interval-0" interval="0" 
name="promote" timeout="120"/>
             <op id="mariadb_server-start-interval-0" interval="0" 
name="start" timeout="120"/>
             <op id="mariadb_server-stop-interval-0" interval="0" 
name="stop" timeout="120"/>
           </operations>
         </primitive>
         <meta_attributes id="mariadb_server-clone-meta_attributes">
           <nvpair id="mariadb_server-clone-meta_attributes-promotable" 
name="promotable" value="true"/>
         </meta_attributes>
       </clone>
     </resources>
     <constraints/>
     <rsc_defaults>
       <meta_attributes id="rsc_defaults-options">
         <nvpair id="rsc_defaults-options-failure-timeout" 
name="failure-timeout" value="30"/>
         <nvpair id="rsc_defaults-options-migration-threshold" 
name="migration-threshold" value="2"/>
       </meta_attributes>
     </rsc_defaults>
   </configuration>
</cib>


Did I miss something on my configuration ? Or do I need more than two 
servers ?


Regards,

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