Since last friday we are having problems with two of 8 Cclass enclosures. We noticed the problem because we could't start an ESX-blade. We were unable to start due to lack of power.
OA show power shows: OAS3L> show power Power Mode: Redundant Dynamic Power: Enabled Set Power Limit: Not Set
Power Capacity: 20670 Watts DC Power Available: 0 Watts DC Power Allocated: 20670 Watts DC Present Power: 2805 Watts AC Power Limit: 25135 Watts AC
Strange we have the maxumium allocated and we are only using 2800 watts.
In the maillog we see this 'error':
EVENT (04 Jan 15:22): Power Subsystem is Redundant (N+N) - Failed. Enclosure, "S3", has detected a change in the power subsystem redundancy from Redundant (N+N) - OK to Redundant (N+N) - Failed.
This is not true as we can see all powersupplies online and ok status
We are running the lates OA's and server firmware versions.
We tried to switch powermode, exchaning powersupplies, enable standby OA, but all with no results.
It seems to be a server FW issue. Two of the 16 blades show 8500watts power consumption. These servers are Xeon Quad Cores with somewhat older FW (25-6-08). The OA (2.32) and ILO (1.70) FW are up to date.
We think the older server FW is causing the problems.
Yes i would say it's the bios. With OA FW 2.32 and ILO2 1.70 HP introduced a new way to limit the power and therefore the BIOS needs an update to support that new feature.
