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In PCM 4.2.1 after rebooting/shutting down of management node, the VIP(Virtual IP address) does not failover to secondary node.

Question & Answer


Question

In PCM 4.2.1(HA enabled) after rebooting/shutting down of primary management node, the VIP(Virtual IP address) does not failover to secondary management node.

Answer

As per expectation, after reboot/shutdown of primary management node, the virtual ip address should do a fail-over to secondary management node, which does not happen in case of PCM 4.2.1.

This has been identified as a bug and is corrected in the below given formal fix..


pcm-4.2.1-build413071

Please follow the below instructions in order to install the given fix and go through the read me file for more details:
1. Download the "pcm-4.2.1-build413071" fix package from IBM Fix Central (link given in Related URL)
2. Upload the fix tar file to the Platform Cluster Manager management node.
3. On the Platform Cluster Manager management node, extract the fix tar file.
# mkdir -p /opt/pcm/pcm_4.2.1_build413071
# tar -zxvf pcm_4.2.1_413071_fix.tar.gz -C /opt/pcm/pcm_4.2.1_build413071
4. On the Platform Cluster Manager management node, back up the files /opt/pcm/bin/pcm-ha-controller, /opt/pcm/lib/python/kusu/ha/helper.py and replace it.
# mkdir -p /opt/pcm/pcm_4.2.1_build413071/backup
# cp /opt/pcm/bin/pcm-ha-controller /opt/pcm/pcm_4.2.1_build413071/backup
# cp /opt/pcm/lib/python/kusu/ha/helper.py /opt/pcm/pcm_4.2.1_build413071/backup
# cp /opt/pcm/pcm_4.2.1_build413071/pcm-ha-controller /opt/pcm/bin/
# cp /opt/pcm/pcm_4.2.1_build413071/helper.py /opt/pcm/lib/python/kusu/ha/
5. Repeat steps 2. to 4. on the Platform Cluster Manager standby/secondary management node.

[{"Product":{"code":"SSZUCA","label":"IBM Spectrum Cluster Foundation"},"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Component":"Head Node","Platform":[{"code":"PF016","label":"Linux"}],"Version":"4.2","Edition":"Advanced;Standard","Line of Business":{"code":"LOB10","label":"Data and AI"}}]

Document Information

Modified date:
16 September 2018

UID

isg3T1024059