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Our APC is throwing the following errors:
Please ignore the datetimestamps; these are incorrect. Seems this either was reset or never set at all by my predecessor. Anyway; the PDU suddenly stopped functioning a couple of days ago causing all outlets to die (and subsequently, the attached servers). So I went searching in the event log of the PDU and, apart from the above, found nothing to go on. All I could find was this (seemingly unrelated to events):
11/30/2011 17:21:26 2.0 2.4 2.0 11/30/2011 17:11:26 2.1 3.0 0.0 11/30/2011 16:59:33 11/30/2011 16:49:33 0.0 0.0 0.0 11/30/2011 16:39:33 0.0 0.0 0.0 ...11/30/2011 11:49:33 0.0 0.0 0.0 11/30/2011 11:39:33 0.0 0.0 0.0 11/30/2011 11:29:33 0.0 0.0 0.0 11/30/2011 11:19:33 0.0 2.1 0.0 11/30/2011 11:05:05 2.0 2.2 2.0 11/30/2011 10:55:05 2.1 2.2 2.0 11/30/2011 10:45:05 2.1 2.1 0.0 11/30/2011 10:35:05 2.0 2.2 2.0
Regardless, I did a bit of searching and concluded that there's three ways to go for me:
1) 30-second power cycle on the PDU;
2) Try to update the firmware;
3) Replace the PDUs (obsolete model).
Is this correct? Am I overlooking anything?
In regards to option (2); where can I grab the most recent firmware for this specific model?
Thanks a lot --
Model Number: AP7921Serial Number: ZA0716000626Hardware Revision: B2Manufacture Date: 04/21/2007MAC Address: 00 C0 B7 30 17 AFManagement Uptime: 0 Days 0 Hours 7 Minutes# APC ModuleName: rpduVersion: v3.3.3Date: 01/05/2007Time: 14:56:33# APC OSName: aosVersion: v3.3.4Date: 01/05/2007Time: 14:23:44
The symptoms described sound like the starting of a failure of one or both of the internal power supplies. A switched PDU has multiple internal power supplies so if the network card reboots (as evident by the warmstart in the event log) the outlets will remain on. If there is an issue with the power supplies that can lead to issues like the one you explained.
This PDU is over 12 years old (and the expected life of a PDU is 8-10 years), so while trying to upgrade firmware and powercycle the unit are valid steps, I think a replacement is going to be your best option.
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