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тАО04-20-2011 01:24 PM
тАО04-20-2011 01:24 PM
P400 Array Acc Permanently disabled, no logical drives
If I go into ACU CLI and attempt to enable the array accelerator, I am told there are no logical drives. ADU reports the 4 logical drives correctly, the system boots, and it's even capable of rebuilding a RAID 5 array. The problem may have been concurrent with a disk failure, and so the cache memory was replaced first and then the bad disk was replaced. As you can see in the attached report, ADU correctly finds the four logical drives and reports logical drive 4 as rebuilding.
It is possible the new cache is also bad, or that the controller itself is bad, but before I replace the controller I want to know if I'm doing this right. How do I re-enable the array accelerator and clear the error state once I have replaced the cache memory?
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тАО04-23-2011 12:45 PM - last edited on тАО07-11-2011 11:11 AM by Kevin_Paul
тАО04-23-2011 12:45 PM - last edited on тАО07-11-2011 11:11 AM by Kevin_Paul
Re: P400 Array Acc Permanently disabled, no logical drives
Hi Josh,
Welcome to the ITRC Forums!
First check the firmware on the controller. HP released a critical update which you do not have installed. Read the release notes as it pertains to fixing disabled cache:
http://bizsupport1.austin.hp.com/bizsupport/TechSupport/SoftwareDescription.jsp?lang=en&cc=us&prodTypeId=15351&prodSeriesId=3232017&swItem=MTX-9eae0e71a9dd4863b472764fee&prodNameId=3288100&swEnvOID=1005&swLang=8&taskId=135&mode=5
Please remember to assign points to the fine fellows in these forums if the information helps you.
Rgds,
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тАО04-24-2011 04:43 AM
тАО04-24-2011 04:43 AM
Re: P400 Array Acc Permanently disabled, no logical drives
2. The ADU attachment is it before or after you replaced the cache?
3. Check the status lights on the card and ensure the battery is ok. (page 32 of http://h20000.www2.hp.com/bc/docs/support/SupportManual/c00572169/c00572169.pdf ) I know ADU says the battery did not fail but you never know.
4. Check the status lights on the battery pack itself and ensure they are ok (page 33 of above doc).
5. Upgrade the FW as indicated above if you have not done yet.
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тАО05-04-2011 02:01 PM
тАО05-04-2011 02:01 PM
Re: P400 Array Acc Permanently disabled, no logical drives
With regard to the battery indicator lights, both power lights are steady green. The arrays were idle at the time, and the other two lights were both off, indicating no short in the battery power path or data being written/stored in the write cache, as described on the chart on page 34 of the referenced document.
Any other ideas?
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тАО05-04-2011 02:03 PM
тАО05-04-2011 02:03 PM