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Power Enclosure BL20p Load Balancing

 
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juergen.mettenbechtle.c
Occasional Advisor

Power Enclosure BL20p Load Balancing

Hello,

we have 2 BL20p-Enclosure with 1 3-Phase Power-Enclosure and a Mini-Bus-Bar.
Everytime a Blade-Server Boot we get following Error-Message in the CIM 7 SP2.3:

"Power subsystem not load balanced. The power subsystem is out of balance for this power enclosure. User Action: Check the power enclosure and power supplies. Replace any failed or degraded power supplies. Add additional power supplies if needed."

But in CIM 7 all Power-Supplies are OK.

Does anyone have any ideas for my to try? Thanks for any help offered.
6 REPLIES
Bostjan Kosi
Trusted Contributor

Re: Power Enclosure BL20p Load Balancing

If you have new (advanced- the one with just one ILO port for all servers) enclosure, than you have to load ballance the servers...meaning one to the left (slot1), next one to the right (slot8), than slot2, 7....and so on....new blade enclosures deal with power differently than the first version. Also since you have 3 phase PS you must have 6 Power supplays. If not than load ballance 4 power supplays. 2 to the left, one blank, addittional 2, blank

BR
B.
Nothing is impossible for those that don't have to do it themselves!
juergen.mettenbechtle.c
Occasional Advisor

Re: Power Enclosure BL20p Load Balancing

I have 6 Powersupplies, and i have the first Version with 8 Ports for 8 iLo-Boards.
Bostjan Kosi
Trusted Contributor

Re: Power Enclosure BL20p Load Balancing

How many Blades are there installed?

There is also a switch (small/hidden) on the enclousure, which has something to do with balancing. Please check www.hp.com for installation instructions since they also contain info on the switch setting.

I'd do it for U if I had the time....

BR
B.
Nothing is impossible for those that don't have to do it themselves!
David Claypool
Honored Contributor
Solution

Re: Power Enclosure BL20p Load Balancing

juergen.mettenbechtle.c
Occasional Advisor

Re: Power Enclosure BL20p Load Balancing

Thanks Claypool !!
That it is.
My HP Server Blade and Power Management Module Firmware Version is 2.10, but I test it nevertheless with the next HP Insight Management Agents Version 7.20

best regards
Jürgen Mett
juergen.mettenbechtle.c
Occasional Advisor

Re: Power Enclosure BL20p Load Balancing

its a known Erroneous Message.
see Claypool's reference