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тАО07-24-2008 11:21 AM
тАО07-24-2008 11:21 AM
1794-Drive Array - Array Accelerator Battery Charge Low...
The array accelerator is in a DL380 G4
Smart array 6i version 2.58
One logical drive -mirrored (2 physical drives)
thanx
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тАО07-24-2008 08:45 PM - last edited on тАО02-04-2021 02:01 PM by Ramya_Heera
тАО07-24-2008 08:45 PM - last edited on тАО02-04-2021 02:01 PM by Ramya_Heera
Re: 1794-Drive Array - Array Accelerator Battery Charge Low...
hi Jake that's in fact a known issue
you must update your 6i Controller up to 2.58 version
regards
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тАО07-24-2008 11:33 PM
тАО07-24-2008 11:33 PM
Re: 1794-Drive Array - Array Accelerator Battery Charge Low...
Replacing the accelerator, doesn't influence the configuration.
The accelerator, is only cache.
And in your case it's only the battery.
If you had to replace the Smart Array controller, then the new controller simply
read the configuration from the disks.
Configuration is stored on all drives, as meta data.
First follow Karlo's advice.
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тАО07-25-2008 05:25 AM
тАО07-25-2008 05:25 AM
Re: 1794-Drive Array - Array Accelerator Battery Charge Low...
Thanx for the great information and quick response.
-jake
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тАО09-18-2008 07:05 AM
тАО09-18-2008 07:05 AM
Re: 1794-Drive Array - Array Accelerator Battery Charge Low...
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тАО09-19-2008 03:17 AM
тАО09-19-2008 03:17 AM
Re: 1794-Drive Array - Array Accelerator Battery Charge Low...
And it will tell you that the write cache is disabled.
But why didn't you upgrade to the latest FW?
2.58 is minimum vertion.
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тАО10-08-2008 12:52 PM
тАО10-08-2008 12:52 PM
Re: 1794-Drive Array - Array Accelerator Battery Charge Low...
Is there something I am missing here. The batteries are not hard to change.
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тАО10-14-2008 07:56 AM
тАО10-14-2008 07:56 AM
Re: 1794-Drive Array - Array Accelerator Battery Charge Low...
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тАО12-09-2008 06:58 PM
тАО12-09-2008 06:58 PM
Re: 1794-Drive Array - Array Accelerator Battery Charge Low...
Please help me with this issue.
Server ProLiant ML350 G5.
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тАО12-10-2008 10:49 AM
тАО12-10-2008 10:49 AM
Re: 1794-Drive Array - Array Accelerator Battery Charge Low...
In the past we always used to update the firmware to the latest available (I agree that 2.58 is the absolute minimum to address this issue, but there is no reason not to update to the latest available) and then monitor it. 7 times out of 10 just updating the firmware fixed the issue. When updating firmware was not enough, we would replace the battery and that fixed the issue 9 times out of 10. However, just this year we have had to start replacing the battery, the actual cache accelerator card (part number 413486-001 - SPS-BD,DDR,40Bit,128MB) and update the firmware or 7 times out of 10 the issue would come back.
We have done some extensive research on this issue. We understand that the battery only has a life of 3 years, so it is understandable that we may need to change the battery as our data center is now 5 years old. What is confounding us is that we can not just update firmware and replace the battery. 70% return failure rate if we don't also replace the cache accelerator card itself is not acceptable. But, that is what we have to do now to resolve these issues. That isn't as big a deal with the server in warranty, but with out of warranty servers the cost is something we have to take into account.
What that has done is made us look at cache acceleration itself, is it actually required on most of these servers. The conclusion to that is often times no. And I am more than willing to listen to advice or counter arguments on this. My feeling is that unless the server has sustained level of disk I/O (measured through perfmon Physical Disk %Disk_Time over several days) of 10% or more, we do not feel cache acceleration is of any benefit, and we recommend disabling the CIM trap alerts on the monitoring console for those servers and then either 1) disabling Logical Drive Array Acceleration through ACU or 2) Just remove the card and battery from the server. Not an ideal solution, but it does prevent a flood of trouble tickets.
So right now we do several days of analysis of each server reporting this problem, and make a determination based on disk utilization of whether we were going to replace the battery, card and update firmware or simply suppress the alert. Typically we feel SQL servers, MQ, Citrix and Terminal servers, some file servers are candidates for parts replacements. Web servers and other low disk I/O servers we just suppress the alerts and/or remove the card and battery.
I would like to see some response from HP on this, but every time I've brought it up previsouly we've just been given the standard pat answers about firmware, battery life etc. It seems to me something else is going on, these cards shouldn't go bad just because the battery dips below 75% charge.
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тАО12-10-2008 12:37 PM
тАО12-10-2008 12:37 PM
Re: 1794-Drive Array - Array Accelerator Battery Charge Low...
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тАО12-23-2008 05:24 AM
тАО12-23-2008 05:24 AM
Re: 1794-Drive Array - Array Accelerator Battery Charge Low...
"FW upgraded, batteries replaced, and it still fail..."
Then you should raise a case with HP support, and have them to elevate the case to a higher level.
Solutions may take a long time, they will ask you to upgrade everything, and ask you to send an endless number of logs.
Merry Christmas
/jag
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тАО12-07-2009 07:22 AM
тАО12-07-2009 07:22 AM
Re: 1794-Drive Array - Array Accelerator Battery Charge Low...
Thanks for any assistance,
Dave
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тАО12-10-2009 11:46 PM
тАО12-10-2009 11:46 PM
Re: 1794-Drive Array - Array Accelerator Battery Charge Low...
1) On "Battery Fail" first time - change the battery. Who nows, may be you are lucky man
2) After "Battery Charged Ok" (few hours or a day) just wait and pray...
3) On second "Battery fail" (if less than 1 months passed) change the cache module AND _do_not_ change the battery!
4) Order new battery and cache module.
p.s. in 1 of 10 times on 3) you need to replace battery too. so - be ready.
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тАО01-25-2010 08:50 AM
тАО01-25-2010 08:50 AM
Re: 1794-Drive Array - Array Accelerator Battery Charge Low...
So, either the array module that the battery plugs into is not charging the battery at the required 3.6volts, or the battery is supposed be a lower voltage battery (doubt it), or the array module is not supposed to charge the battery and is should hold a 3.6volt charge for a few years on its own.
I suspect the array module (accelerator) must be the culprit here. unless a firmware upgrade will actually change the output voltage from this array module.
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тАО05-03-2010 04:14 PM
тАО05-03-2010 04:14 PM
Re: 1794-Drive Array - Array Accelerator Battery Charge Low...
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тАО05-18-2010 05:19 AM
тАО05-18-2010 05:19 AM
Re: 1794-Drive Array - Array Accelerator Battery Charge Low...
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тАО11-19-2010 06:33 AM
тАО11-19-2010 06:33 AM
Re: 1794-Drive Array - Array Accelerator Battery Charge Low...
1) I updated the 6i to the latest firmware - no luck
2) I replaced the battery - no luck
3) I replaced the battery a second time thinking that the first replacement battery was old stock, bad, etc - no luck
4) I replaced the cache module and battery (again) and cleared NVRAM - no luck
At this point - the post message stated that the cache battery was not fully charged
5) I allowed the server to run for 24 hours and powered down - removed battery - and verified that there was 3.6 volts at the battery - so the warning is clearly incorrect. Also at this point - the post message changed and stated that the cache battery had FAILED (as opposed to simply stating that the battery was not fully charged as it did immediately after changing the cache module and battery).
At this point - I'm leaning toward simply removing the cache module and battery as this server is simply a BDC that does not do a great deal other than running BackupExec and off site backup client. But I do have a fair amount of time invested in this issue and would like to find a solution.
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тАО04-27-2011 07:31 AM
тАО04-27-2011 07:31 AM
Re: 1794-Drive Array - Array Accelerator Battery Charge Low...
In fact there is still not a HP System Management Homepage available for ESXi4.1 we have to trust the ESXi sensors and believe them the battery is still not fully charged.
So next step would be to replace the cache module.
These battery problems since years is very annoying.
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тАО04-07-2018 10:46 PM
тАО04-07-2018 10:46 PM
Re: 1794-Drive Array - Array Accelerator Battery Charge Low...
I solved this issue on a BL465G6 by taking 50PSI clean compressed air and blowing out the pins on the cache card and where it sits on the MB. As the cache is very near the front it will get the worst of any dust being pulled in over time.
The key here is to use CLEAN OIL-FREE/MOISTURE-FREE compressed air.