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MP Battery Low on rp8420 server


MP Battery Low on rp8420 server

Dear All,

In rp8420 server we got an “EMS Event Notification” in syslog.log.

Here is the following notification


Event Time..........: Mon Jan 26 01:52:16 2009
Severity............: MAJORWARNING
Monitor.............: fpl_em
Event #.............: 645
System..............: wdkescn1

MP Battery is low

Description of Error:

The battery on the SBCH is below the safe threshold. The battery can be
replaced online.

Probable Cause / Recommended Action:

MP was running on battery for too long. Someone didn't set "NVRAM Save" switch
to "off".
Replace battery as per MP Battery Remove and Replace procedures.

Additional Event Data:
System IP Address...:
System IP Address...:
Event Id............: 0x497cc2f000000000
Monitor Version.....: A.01.00
Event Class.........: System
Client Configuration File...........:
Client Configuration File Version...: A.01.00
Qualification criteria met.
Number of events..: 1
Associated OS error log entry id(s):
Additional System Data:
System Model Number.............: 9000/800/rp8420
EMS Version.....................: A.04.20
STM Version.....................: C.53.00
System Serial Number............: SGH4629DK9
Latest information on this event:

v-v-v-v-v-v-v-v-v-v-v-v-v D E T A I L S v-v-v-v-v-v-v-v-v-v-v-v-v

IPMI event hex: 0x6b000ad300e00000 0x01000000497cbd4b
Time Stamp: Wed Jan 21 21:04:48 2009
Alert level name: Warning
Reporting vers: 1
Data field type: Timestamp
Decoded data field: Sun Jan 25 19:28:11 2009
Reporting entity ID: 0 ( Cab 0 )
Reporting entity Full Name: Service Processor
IPMI Event ID : 2771 (0xad3)

So far we know need to replace MP battery.But

what problem it would raise if i take time to replace the MP battery?

Thanks and regards
Andrew Rutter
Honored Contributor

Re: MP Battery Low on rp8420 server


if you do not replace the battery then when you power off your server it will lose the settings in the MP

example all the lan settings user accounts and any other configuration.

The battery provides the needed power to hold this info when not in use. A reboot should not affect it as it will still have power to the system going through it. Only a complete power off.

off course you will still get the errors and mails about the issue until resolved

sujit kumar singh
Honored Contributor

Re: MP Battery Low on rp8420 server

Hi Mahbub,

why are you planning not to replace the MP battery or want to delay the replacement of the MP battery?

the MP (GSP) in a partitoned Environment also keeps Complex configuration Profile Data and information.(though there are other locations also that config is kept).

There are chances of loosing the Complex config Data from the MP.

Any pending complex profile changes may also get lost.

Though the MP does not happen to be a SPOF in a Partitioned Complex yet this forms an important part of the Complex.

I would suggest that the Replacement of the MP battery be done at the Earliest following the Procedures of Replacing the MP battery following the Manuals and by an Authorised HP Personnel only though this can be done Online).


Re: MP Battery Low on rp8420 server

Hi Sijit,

Thanks for your info.I want to replace it ASAP but we have no battery in our stock thats why it will dely.
sujit kumar singh
Honored Contributor

Re: MP Battery Low on rp8420 server

Hi Mehbub,

If the answer has helped you then please go ahead and assign some points.

It always helps you to get good responses.