HP DL180 G6 P410 8x SATA 1TB, what is the optimal configuration?

Posted by Oneiroi on Server Fault See other posts from Server Fault or by Oneiroi
Published on 2011-11-14T16:28:50Z Indexed on 2011/11/14 17:54 UTC
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Filed under:

raid

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configuration

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hp

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raid10

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dl180g6

I have a HP DL180 G6 with a P410 raid controller.

Presently this runs using 4x 1TB Samsung Spinpoint SATA drives, in a RAID10 configuration using default settings.

I am about to add a backplane to increase the drive capacity from 4 to 12 drives, and I plan to install 4 more 1TB SATA Drives.

The drives are matched and have close serial numbers (They arrived together in the Manufacturers pallet).
Model HD103UJ 1000GB/7200rpm/32M
Rated for 3GB/s

I will also be installing RHEL 6.1 x86_64.

My question is what would be the optimal RAID settings (stripe etc.) for this configuration?

To recap:

8x Model HD103UJ 1000GB/7200rpm/32M
Rated for 3GB/s
RAID 10 configuration.

Thanks in advance.

Update for role:

Server is to become an iscsi target for an internal openstack deployment currently underway. (Glance)
Will also provide virtualisation through KVM

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