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Cisco Bug: CSCuo35986 - Port monitor service triggers %SYSMGR-2-PSS2_VOLATILE_DB_FULL error

Last Modified

May 14, 2019

Products (1)

  • Cisco MDS 9000 Series Multilayer Switches

Known Affected Releases

6.2(5) 6.2(5)S68

Description (partial)

Symptom:
On an MDS switch, error messages similar to the following are repeatedly logged to syslog:
<pre>
  %SYSMGR-2-PSS2_VOLATILE_DB_FULL: Volatile database usage in kernel is unexpectedly high at 86%.
  %SYSMGR-STANDBY-2-PSS2_VOLATILE_DB_FULL: Volatile database usage in kernel is unexpectedly high at 86%.
</pre>
The number of keys for snmpd_rt_db are high:
<pre>
  # show system internal pss kernel list | include snmpd_rt_db
  URI                                                  TYPE NrKeys       Size VDC
  /dev/shm/snmpd_rt_db                                 pss2 277706  129955932   1
</pre>

Conditions:
This issue may occur on any switch where RMON alarms are being generated.
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