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I use a HP ProLiant ml370G5 server, and It's OS is XenServer from Citrix.(based on Xen)
Last week one it's Hard disk has been damaged and I want to change it.
I want to know what is it's Raid Configure (for example raid 1 or 2 or ... )?
How I can determind what is it's raid configure and How I can change it if I want ?

Regards.

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You can tell us the number of hard drives in the setup, and we can guess, or, you can go here: en.wikipedia.org/wiki/RAID#Standard_levels and guess, or, you can access your RAID controller on the server and see which setup it uses. – U4iK_HaZe Sep 5 '11 at 15:57
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2 Answers

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Most RAIDs have an option to go into the setup utility right after you power the machine on. It will say "Press Ctrl-R Now" or Ctrl-Any Letter.

If you have the HP SmartStart CD that came with the server you can boot to that and it will have a RAID config utility on it.

You can get SmartStart here. Doesnt matter which OS you choose because they are all the same.

Heres a PDF all about HP arrays

But if its a hotswap RAID then just pull out the bad one and put the new one in. It will regenerate on its own.

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Replace the hard drive if you have a spare or replacement available. A spare part number is available on the drive's label. The ML370 G5 is possibly out of standard warranty (3 years) at this point, so you may have to purchase a replacement. The part number on the disk will help there.

You can download and install the HP Management agents for XenServer, which would give you greater insight into hardware health going forward. In the meantime, you could reboot and enter the BIOS raid configuration utility (press F8 when prompted) to see the Array Controller Configuration. However, depending on the array health, that may not be a good idea.

How did you identify this problem? HP drives will show a solid amber or red light upon failure. A flashing amber/red light indicates a disk pre-failure. What do the LEDs on the disks look like, and how many drives are present in the system? That will help us understand what's going on.

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It's Red. it have 8, 72 GB Hard disk. – Robert Sep 5 '11 at 19:39
I would suggest replacing the disk with the correct replacement part. Is this XenServer 4 or XenServer 5? – ewwhite Sep 5 '11 at 19:41
It seems that, Server Use raid 1 configuration. Because when I use XenCenter to manage it, it show has 293 GB free space.(it has total 576 GB ) – Robert Sep 5 '11 at 19:43
It is XenServer 5.6 – Robert Sep 5 '11 at 19:44
8 x 72GB disks in RAID 1+0 == 288GB usable space. – ewwhite Sep 5 '11 at 20:18
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