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multilpe raid sets and online spare

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Andrew_267
Occasional Visitor

multilpe raid sets and online spare

I am looking to purchase a ML350 server with 641 controller. I would like to mirror two 18GB drives for OS and setup three 72GB drives in a raid 5 config with a 72GB drive as an online spare. Will the 72GB online spare be just for the raid 5 set or will it be applied to the mirrored set as well if there is a failure?
I would want the spare to only come online if one of the 72GB drives failed.

Thanks.
3 REPLIES
JohnWRuffo
Honored Contributor
Solution

Re: multilpe raid sets and online spare

Andrew:

This will be a good configuration plan. You can apply the hot spare to both arrays if you wish.

Is this a ML350 G1?

One note of caution, you will need to use SmartStart 6.30 or later to have it detect and use the SA641 controller.

I would also recommend you update the bios on the ML350 Server.
Enjoy!
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HGN
Honored Contributor

Re: multilpe raid sets and online spare

Hi

The configuration u had mentioned here looks good, hat spare can be added to the raid 5 and this can be configured using smart start cd . I think u need 2 have more than 2 disk for adding as hot spare for raid 1

Rgds

Gopi
JohnWRuffo
Honored Contributor

Re: multilpe raid sets and online spare

Gopinath:

No, you do not need an extra drive to have a hot spare for both arrays. The hot spare drive is on the same controller and you can share the same hot spare with any array on the same controller.
Enjoy!
__________________________________________
Was the post useful? Click on the white KUDOS! Star.

Do you need help with your HP product?
Try this: http://www.hp.com/support/hpgt