Summary
In some environments, restarting the Optimizer can cause an unexpected shutdown.Overview
- In some environments, restarting the Optimizer can lead to an unexpected shutdown.
- This can sometimes take up to a few days to manifest and similar logs may appear on the device after the Optimizer restart:
Mar 6 16:36:52 exinda snmpd[4596]: [snmpd.NOTICE]: Interface ifb_vc0 has gone missing. Restarting snmpd to clear it out of data structures
Mar 6 16:36:52 exinda snmpd[4596]: [snmpd.NOTICE]: Interface ifb_vc1 has gone missing. Restarting snmpd to clear it out of data structures
Mar 6 16:36:52 exinda snmpd[4596]: [snmpd.NOTICE]: Interface ifb_vc5 has gone missing. Restarting snmpd to clear it out of data structures
Mar 6 16:36:52 exinda snmpd[4596]: [snmpd.NOTICE]: Interface ifb_vc6 has gone missing. Restarting snmpd to clear it out of data structures
Mar 6 16:36:52 exinda snmpd[4596]: [snmpd.NOTICE]: Interface ifb_vc1 has gone missing. Restarting snmpd to clear it out of data structures
Mar 6 16:36:52 exinda snmpd[4596]: [snmpd.NOTICE]: Interface ifb_vc5 has gone missing. Restarting snmpd to clear it out of data structures
Mar 6 16:36:52 exinda snmpd[4596]: [snmpd.NOTICE]: Interface ifb_vc6 has gone missing. Restarting snmpd to clear it out of data structures
- Please note that these messages do not always indicate an error or that an unexpected shutdown WILL happen
Cause
- This is caused by a known software defect in which there is a problem with freeing up allocated memory.
Resolution
- Upgrade to latest firmware, a bug-fix is implemented which will resolve this specific reason for unexpected shutdowns.
Additional Information
- Be aware that there are numerous reasons that a device will unexpectedly shutdown.
- Exinda Support will be able to diagnose the issue to see if this software update will resolve the unexpected shutdowns being experienced.
Priyanka Bhotika
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