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04-18-2012 04:51 AM
04-18-2012 04:51 AM
DL320 G6 - B110i RAID Controller - Rebuild Raid 1+0
Hi all,
we have a HP DL320 G6 Server, running a Smart Array B110i RAID controller, with 2 x 750GB SATA disks.
Yesterday, one of the disks failed. We have replaced the faulty disk, and in the Option Rom Config ( BIOS ), it states RECOVERING. This message has been standing there now for almost 24 hours. Is this normal behaviour? Does a RAID rebuild really take this long?
Attached screenshot of the config screen ( through ILO )
Thanks in advance for your responses.
Kay Dieckmann
anyCOPY ApS
København - Danmark
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04-18-2012 05:54 AM
04-18-2012 05:54 AM
Re: DL320 G6 - B110i RAID Controller - Rebuild Raid 1+0
Hello the issue you are having is not common, can you check the status from the ACU (Array configuration utility)? and maybe post a screenshot.
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04-18-2012 06:17 AM
04-18-2012 06:17 AM
Re: DL320 G6 - B110i RAID Controller - Rebuild Raid 1+0
Hi,
sadly no, we are running ESXi on this server, so no Windows is available. Also, upon booting, I tries to boot up from C:, but stalls there.
Also, the server is located in a datacenter, so at this time, I dont have physical access to the server, unless I drive there. ( which is why I'm on ILO )
Any other thoughts?
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04-18-2012 06:20 AM
04-18-2012 06:20 AM
Re: DL320 G6 - B110i RAID Controller - Rebuild Raid 1+0
Hi,
One Gb will take about 15mins, this is theorteical value , it completely depends on the controller, rebuilding of the array happens when the controller is free, usually controller that has a cache works faster than the one without, B110 is a dynamic controller which simply means that the load is on the OS for rebuilding, It also depends upon the rebuild prioirty has been setup in the array config utility ( which cannot be changed untill the array is completely up )
Goutham Sabala
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04-18-2012 06:41 AM
04-18-2012 06:41 AM
Re: DL320 G6 - B110i RAID Controller - Rebuild Raid 1+0
Hi Goutham,
Thanks for also answering in my thread.
By your statement, you are contradicting what Cisco said. He claims its not normal behaviour for a RAID rebuild to take this long, while you state that 1GB =15 minutes. With a 750GB SATA drive, that would equal 11.250 minutes=187,5 hours which is roughly 8 days.. for a RAID 1+0 rebuild. I hope you're not serious, because that is unacceptable in any enterprise environment
Also, we're not using an Array Configuration Utility. The screenshot I posted is the only way of telling what the RAID is doing, since we're not running a 'normal' OS on the server, but ESXi ( for 2 virtual machines in VMWare ).
Thanks for your input though, any other thoughts are greatly appreciated
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04-18-2012 06:42 AM
04-18-2012 06:42 AM
Re: DL320 G6 - B110i RAID Controller - Rebuild Raid 1+0
Based on this it would take a week?
I have seen several cases with a smartarray 410 without cache when recovering took 1 day for a 300GB disk - seems to be normal. Obviously it is much faster with cache.
Hope this helps!
Regards
Torsten.
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04-18-2012 07:08 AM
04-18-2012 07:08 AM
Re: DL320 G6 - B110i RAID Controller - Rebuild Raid 1+0
hi Torsten,
Also thanks for contributing.
Based on what you said, 300GB in 24 hours, I should be able to have my RAID rebuilt tomorrow by the end of the day.
I will show some more patience, and report back in here when/if its done.
Kay Dieckmann
anyCOPY
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04-18-2012 07:19 AM
04-18-2012 07:19 AM
Re: DL320 G6 - B110i RAID Controller - Rebuild Raid 1+0
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!
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04-18-2012 07:49 AM
04-18-2012 07:49 AM
Re: DL320 G6 - B110i RAID Controller - Rebuild Raid 1+0
Well, thats the issue, its not a background operation for us.
It was the first disk in the array that failed. We shut down the server, replaced the faulty drive with a spare ( in slot 1 ), and booted the server up. In the Option Rom Configuration for Arrays ( see first post screenshot ) it states that the Status is Recovering, with no progress indicator. If I let the server go through the POST boot, it comes up with a message that it's trying to boot from C: , but nothing happens. So we're stuck with a non-working environment, I guess, untill the rebuild is completed.
In hindsight, should we have placed disk 2 ( the working one ) in slot 1, and put the disk to rebuild to in slot 2?
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02-01-2015 11:41 PM
02-01-2015 11:41 PM
Re: DL320 G6 - B110i RAID Controller - Rebuild Raid 1+0
@anyCOPY Am in the exact same situation now.
Can you please advise what you have done, if you managed to get ESXi boot once more ?
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