Article ID: 121286, created on Apr 23, 2014, last review on May 9, 2014

  • Applies to:
  • Virtuozzo 6.0

Symptoms

The installation of PCS 6.0 Update 6 finishes with the following error:

[root@pcs1 ~]# yum -y update
...
Complete!
Unable to access the command socket, check that the monitor is running
Failed to set shaman watchdog on: 256

shamand service is stopped afterwards:

[root@pcs1 ~]# service shamand status
shamand-monitor is stopped

HA monitoring utility shows all nodes as 'Inactive':

[root@pcs1 ~]# shaman stat
pcs_api_readlink(.shaman/master) error [-2]
pcs_api_readlink(.shaman/master) error [-2]
pcs_api_readlink(.shaman/master) error [-2]
 Cluster 'pcs2'
 Nodes: 3
 Resources: 6

    NODE_IP           STATUS      RESOURCES
 *  10.39.81.51       Inactive    3 CT
    10.39.81.52       Inactive    2 CT
    10.39.81.53       Inactive    1 CT

Cause

The issue is recognized as a product bug with internal ID PSBM-26496: shamand service fails to start after installing update 6.

Resolution

Start the service manually on all nodes:

# service shamand start

c62e8726973f80975db0531f1ed5c6a2 2897d76d56d2010f4e3a28f864d69223 0dd5b9380c7d4884d77587f3eb0fa8ef

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