When increasing number of vCPUs sar archives get corrupted after system reboot

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Environment

SUSE Linux Enterprise Server 11 SP3
SUSE Linux Enterprise for SAP applications 11 SP3

Situation

Changing the number of assigned vCPUs on a given VM running on VMware ESX(i) will corrupt the sar archives located in /var/log/sa/ after an upcoming reboot. The following error will be seen when executing sar -dp:

sles11sartest:~ # sar -dp
Requested activities not available in file /var/log/sa/sa09

Resolution

Workaround: Move the file to a different location and reinitialize the file using the /usr/lib64/sa/sa1 command.

Additional Information

Disclaimer

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