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тАО04-07-2008 08:40 AM
тАО04-07-2008 08:40 AM
RX4640 system clock differs too much
Hi all,
we have 2xRX4640 (MS Windows IA64, SP2) - two nodes in Oracle cluster.
Recently the database started working slowly and even hanging. We analyzed the situation and trapped the problem - for only one week system clocks on both the servers differs with 24 minutes...it's too much.
What we already did:
1. Set a synchronization using NTP server
2. Planned FW upgrade for System, BMC and MP.
But: first one depends on system account and NTP server availability only; second one depends on the FW improvements and BMC frequensy isn't mentioned in the official list of fixes, so there probably won't be any improvement.
In fact both the system clocks are working in different directions - one slows, other one gains. I'm attaching part of the logs where both clocks are compared to NTP server time.
I've already checked ITRC&BS forums but the only available solution here is using NTP server. I know HP don't have any criteria for system clock's deviation.
Now the question: is there any known workaround or solution of the problem so this kind of difference to be reduced to minimum?
10x
Dobromir
we have 2xRX4640 (MS Windows IA64, SP2) - two nodes in Oracle cluster.
Recently the database started working slowly and even hanging. We analyzed the situation and trapped the problem - for only one week system clocks on both the servers differs with 24 minutes...it's too much.
What we already did:
1. Set a synchronization using NTP server
2. Planned FW upgrade for System, BMC and MP.
But: first one depends on system account and NTP server availability only; second one depends on the FW improvements and BMC frequensy isn't mentioned in the official list of fixes, so there probably won't be any improvement.
In fact both the system clocks are working in different directions - one slows, other one gains. I'm attaching part of the logs where both clocks are compared to NTP server time.
I've already checked ITRC&BS forums but the only available solution here is using NTP server. I know HP don't have any criteria for system clock's deviation.
Now the question: is there any known workaround or solution of the problem so this kind of difference to be reduced to minimum?
10x
Dobromir
2 REPLIES 2
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тАО04-07-2008 09:28 AM
тАО04-07-2008 09:28 AM
Re: RX4640 system clock differs too much
From the firmware release notes:
"System FW 02.13
Corrected an issue that allowed the system clock to lose up to 15 minutes per months when compared to GMT."
http://h20000.www2.hp.com/bizsupport/TechSupport/SoftwareDescription.jsp?lang=en&cc=us&prodTypeId=15351&prodSeriesId=88837&swItem=ux-58871-1&prodNameId=346361&swEnvOID=54&swLang=13&taskId=135&mode=4&idx=0
TITLE: rx4640 System, BMC, and iLO MP Firmware with U160 SCSI EFI Boot Services Driver
VERSION: System FW 04.29, BMC FW 04.06, iLO MP FW E.03.32 and U160 SCSI EFI Boot Services Driver 01.04.01.00
Hope this helps!
Regards
Torsten.
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"System FW 02.13
Corrected an issue that allowed the system clock to lose up to 15 minutes per months when compared to GMT."
http://h20000.www2.hp.com/bizsupport/TechSupport/SoftwareDescription.jsp?lang=en&cc=us&prodTypeId=15351&prodSeriesId=88837&swItem=ux-58871-1&prodNameId=346361&swEnvOID=54&swLang=13&taskId=135&mode=4&idx=0
TITLE: rx4640 System, BMC, and iLO MP Firmware with U160 SCSI EFI Boot Services Driver
VERSION: System FW 04.29, BMC FW 04.06, iLO MP FW E.03.32 and U160 SCSI EFI Boot Services Driver 01.04.01.00
Hope this helps!
Regards
Torsten.
__________________________________________________
There are only 10 types of people in the world -
those who understand binary, and those who don't.
__________________________________________________
No support by private messages. Please ask the forum!
If you feel this was helpful please click the KUDOS! thumb below!
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тАО04-07-2008 09:53 AM
тАО04-07-2008 09:53 AM
Re: RX4640 system clock differs too much
Thanks man,
but the versions on both servers are:
MP FW: E.03.30
BMC FW: 04.05
EFI FW: 05.48
System FW: 04.21
...that's why I'm pessimistic on fw upgrades.
Not long ago I had problems with the RTC battery of the BMC on another 4640 (it was losing NVRAM settings), so I wonder could the low voltage tend this kind of behaviour
sincerely yours
DObromir
but the versions on both servers are:
MP FW: E.03.30
BMC FW: 04.05
EFI FW: 05.48
System FW: 04.21
...that's why I'm pessimistic on fw upgrades.
Not long ago I had problems with the RTC battery of the BMC on another 4640 (it was losing NVRAM settings), so I wonder could the low voltage tend this kind of behaviour
sincerely yours
DObromir
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