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My two rp7410 often send a EMS Event Notification about AC power?

 
xxl_1
Frequent Advisor

My two rp7410 often send a EMS Event Notification about AC power?

My two rp7410 often send a EMS Event Notification about AC power:

CURRENT MONITOR DATA:

Event Time..........: Sun Oct 23 22:15:00 2005
Severity............: SERIOUS
Monitor.............: dm_core_hw
Event #.............: 62
System..............: zjmis

Summary:
AC power not present on line 2 in compute cabinet 0


Description of Error:

AC power is not present on the specified line. The system is configured
to expect AC power on this line.

Probable Cause / Recommended Action:

The power has been disconnected.
Reconnect the power cord.

A power failure has occurred on the power grid.
Investigate and fix the power failure, or wait for the failure to be
corrected.

Additional Event Data:
System IP Address...: 10.100.1.1
Event Id............: 0x435b9ae500000000
Monitor Version.....: B.01.00
Event Class.........: System
Client Configuration File...........:
/var/stm/config/tools/monitor/default_dm_core_hw.clcfg
Client Configuration File Version...: A.01.00
Qualification criteria met.
Number of events..: 1
Associated OS error log entry id(s):
None
Additional System Data:
System Model Number.............: 9000/800/rp7410
OS Version......................: B.11.11
STM Version.....................: A.43.00
EMS Version.....................: A.04.00
Latest information on this event:
5 REPLIES 5
Luk Vandenbussche
Honored Contributor

Re: My two rp7410 often send a EMS Event Notification about AC power?

Hi,

I think you have a power interruption on the 2nd line of your rack. Have you asked your electrians to check this situation yet?
Torsten.
Acclaimed Contributor

Re: My two rp7410 often send a EMS Event Notification about AC power?

EMS is telling you:

"Probable Cause / Recommended Action:

The power has been disconnected.
Reconnect the power cord."

Check the connection.

Hope this helps!
Regards
Torsten.

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Stefan Stechemesser
Honored Contributor

Re: My two rp7410 often send a EMS Event Notification about AC power?

Hi,

the rp7410 has four power connectors on the rear.
Two redundant lines (A0,A1) go to Bulk Power Supply (BPS) 1 and thw other two redundant lines (B0, B1) go to BPS 0.
Many customers have only two cables connected (f.e. A0 and B0), because they do not have redundant power distributions or use an UPS.
This is OK, but then the MP thinks that the missing lines (A1 and B1) have failed and this EMS event will be logged for the two lines.
To prevent this, use the MP command "pwrgrd" to tell the MP that this state is normal.
The pwrgrd command can safely be used online. It does not shut down any lines, it only affects when the MP will log errors.

If you have all 4 cables connected:
-check if ther is really power on the cables
-check the output of the MP command "ps" on the cabinet
-if there is an error, run the "de" command on the MP and retrieve actual data from the BPS. Then run ps again (ps shows only cached data)
-if all this does not help, it's time to call HP. Maybe the BPS is bad.

best regards

Stefan



Andrew Merritt_2
Honored Contributor

Re: My two rp7410 often send a EMS Event Notification about AC power?

As the others have said, the event is caused by the power supply configuration you have.

It won't make a difference in this particular instance, but you should look at updating the OnlineDiags. You have A.43.00 installed, and the current version for 11.11 is A.49.05. HP supports the current and previous versions. The later versions have bugs fixed and support for recent hardware. You should also install the latest patch for the version you have. There is no patch for A.49.05 so far.

The current version is available from http://www.software.hp.com/portal/swdepot/displayProductInfo.do?productNumb
er=B6191AAE.

The OnlineDiags versions are listed at http://www.docs.hp.com/en/diag/stm/stm_upd.htm#table

Andrew
Mark Nieuwboer
Esteemed Contributor

Re: My two rp7410 often send a EMS Event Notification about AC power?

Hi,

I had this messages also often. after a firmware upgrade of the cellboards the message's where gone.
before the firmware upgrade one's in the two months this message appeared but never a power failure found.
Look wich firmware your running and ask if HP has a higher version.

grtz. Mark