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Cisco Bug: CSCus58026 - Improve diagnostics when MDS reloads due to full volatile DB

Last Modified

Feb 18, 2018

Products (1)

  • Cisco MDS 9000 Series Multilayer Switches

Known Affected Releases

6.2(1) 6.2(9a)S10

Description (partial)

Not enough information is logged to determine the cause of a certain type of unexpected switch reload. This defect refers to reloads where the following reason and service are logged in the show system reset-reason for the event:

        Reason: Reset triggered due to HA policy of Reset
        Service: syslogd hap reset

The following type of syslog message is also logged at the time of the reload:

  %SYSMGR-2-PSS2_VOLATILE_DB_FULL: Volatile database usage in kernel is unexpectedly high at 99%.

This issue only occurs if one of the internal filesystems is unexpectedly full which is an unusual condition.
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