After increasing KVM VM vCPU from 1 to 2, sar command returns the error "Invalid system activity file: /var/log/sa/saXX".

Solution Unverified - Updated -

Issue

  • After increasing KVM VM vCPU from 1 to 2, sar command returns the error "Invalid system activity file: /var/log/sa/saXX".
[root@RHEL6.2 ~]# sar -f /var/log/sa/sa22 -A
Invalid system activity file: /var/log/sa/sa22

Environment

Red Hat Enterprise Linux 5
Red Hat Enterprise Linux 6

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