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How a TSAMP cluster gets into Db2 Split-brain

Troubleshooting


Problem

HADR DB is set to the Primary role on both nodes in the cluster.

Symptom

Output of "db2pd -db <DBNAME> -hadr" shows as primary on both nodes.
The output of lssam can also show online for the local node and failed offline for the remote node when issued from both nodes.

Document Location

Worldwide

[{"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSRM2X","label":"Tivoli System Automation for Multiplatforms"},"ARM Category":[{"code":"a8m0z000000bldnAAA","label":"Split Brain"}],"ARM Case Number":"","Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"All Version(s)","Line of Business":{"code":"LOB77","label":"Automation Platform"}}]

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Document Information

Modified date:
17 August 2020

UID

ibm16253261