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Power Problem on A500

 
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catastro
Super Advisor

Power Problem on A500

Hi. I have a doubt. I have an A500 server and changed a few days ago the Power Supply (it has only one) because the system didn't erspond to the order fot turning on, and always sayd to me "low voltage DC power". It was working perfectly fine.
The cables are well connected, and they were not moved, disconnected or other things. I changed the PS a few days ago and it worked finelly for a couple days, and on Saturday it happened again.
I have my doubts now that coould be that there is no enough power reaching the server, could that be? If not, what? Thanks for your words


Log Entry # 0 :
SYSTEM NAME: gijocon
DATE: 06/28/2008 TIME: 14:05:19
ALERT LEVEL: 13 = System hang detected via timer popping

SOURCE: 1 = processor
SOURCE DETAIL: 1 = processor general SOURCE ID: 0
PROBLEM DETAIL: 4 = timeout

CALLER ACTIVITY: F = display_activity() update STATUS: 0
CALLER SUBACTIVITY: 00 = implementation dependent
REPORTING ENTITY TYPE: E = HP-UX REPORTING ENTITY ID: 00

0x78E000D41100F000 00000003 00000000 type 15 = Activity Level/Timeout
0x58E008D41100F000 00006C05 1C0E0513 type 11 = Timestamp 06/28/2008 14:05:19



Log Entry # 1 :
SYSTEM NAME: gijocon
DATE: 06/28/2008 TIME: 14:05:26
ALERT LEVEL: 14 = Fatal power or environmental problem prevents operation

SOURCE: 4 = power
SOURCE DETAIL: 3 = low voltage DC power SOURCE ID: FF
PROBLEM DETAIL: A = failed or disconnected

CALLER ACTIVITY: 4 = monitor STATUS: F
CALLER SUBACTIVITY: 04 = low voltage power supply
REPORTING ENTITY TYPE: 2 = power monitor REPORTING ENTITY ID: 00

0x002000EA43FF404F 00000000 00000000 type 0 = Data Field Unused
0x582008EA43FF404F 00006C05 1C0E051A type 11 = Timestamp 06/28/2008 14:05:26
5 REPLIES 5
Steven E. Protter
Exalted Contributor
Solution

Re: Power Problem on A500

Shalom,

Three times the power supply fails? That is a bit fishy.

I suspect the following:
1) System board problem that is frying the power supply.
2) Bad power being fed into the system.



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Steven E Protter
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catastro
Super Advisor

Re: Power Problem on A500

Hi Steven. The PS did not failed in fact. The thing is that the system was not turning on and as soon as we replaced the PS, it did for a couple of days, and then back again to the problem.
It is running now with no problems, and there is an electrical technician over there checking the power enviroment, and a meter is marking 2.4 - 2.7 V, but it has no stability on the power flow.
If it would be the motherboard, the system would not run, isn't it?
TYP3R
Frequent Advisor

Re: Power Problem on A500

Hi Castro

I had the same GSP log #0 as yousr on my RP2470 which is a simular server as your A500 but i solved that problem as one of the memory DIMM was faulty. And as for the GSP log #2, Low voltage DC power indicates that one of your processor support module on the board is on its way out. One of the three small boards next to the CPU. Location 0x582008EA43FF404F 00006C05 1C0E051A but i wouldnt know where that location is myself

See my thread:

https://forums12.itrc.hp.com/service/forums/questionanswer.do?threadId=1243480

William

catastro
Super Advisor

Re: Power Problem on A500

Now, a new hint on this thing.
The server did not crash in two days, but I had to reboot it as an aplication wasn't working proporly (we tried stopping and starting already application and Oracle DDBB).
In the syslog before and after the reboot there are messages related to telnet timeouts

Jul 2 13:45:47 gij telnetd[6214]: Time out occurred in the initial option negotiation

And via cstm I can see that there is an HPMC timestamp of 06/26/2008.
How can I see if these errors are related and if there is any problem with the mother board?

catastro
Super Advisor

Re: Power Problem on A500

Ok, all is now clear. These were two different cases. One with the HPMC error (that is caused by the System Board and hopefully all the electricla problems will because of that), and the telnet timeouts were because of a bad configured dtc. Thanks for all your help.