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Upgrading PowerHA? Don't forget your TSM client!
When you upgrade
PowerHA (formerly HACMP) don’t forget to check/update your TSM client as well! We successfully upgraded from
PowerHA 5.4 to PowerHA 6.1 SP6 first. #
halevel -s 6.1.0
SP6 We found that our
DB2 backups to TSM were no longer working. $ db2adutl query Error: Initialize environment failed with TSM return code 4602 In the TSM error log file we also
saw the following message repeated over and over: # tail -1 dsmerror_db2_ha.log 10/17/11 12:42:57 ANS1478E CLUSTERNODE is set to YES
but the cluster software is not... [More]
Etiquetas: ans1677w 6.1 5.4 powerha 4602 gibson aix return chris mailprog ans1478e tsm clusternode hacmp code |
Checking your queue depth with kdb.
Just say you
change the queue_depth on a hdisk
with chdev –P . This updates the devices
ODM information only, not its running configuration. The new value will take
effect next time I reboot the system. So now I have a different queue_depth in the ODM compared to the
devices current running config (in the kernel). What if I
forget that I’ve made this change to the ODM and forget to reboot the system
for many months? Someone complains of an I/O performance issue....I check the
queue_depths and find they appear to be set appropriately... [More]
Etiquetas: chris lsattr 7.1 chdev queue_depth aix odm -p kdb 6.1 gibson |
