sar is producing Invalid system activity file

Solution Verified - Updated -

Issue

  • Getting the following error when running standard sar commands, on a different system both these commands work as expected
# sar
Invalid system activity file: /var/log/sa/sa20

# sar -f /var/log/sa/sa19
Invalid system activity file: /var/log/sa/sa19

Environment

  • Red Hat Enterprise Linux 6

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