P2000 SAS as DAS


We have a spare P2000 G3 SAS Array, can we just plug it in to are server and use it as DAS?

Ian TaylorIT Infrastructure Architect .:|:.:|:.Asked:
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Paul SolovyovskySenior IT AdvisorCommented:
If you had shelves maybe the shelves but not the head unit as far as what we've seen
Yes, just configure it as a single large LUN.   Your O/S can't tell the difference between a single hard drive and a SCSI, SAS, or Fibre-channel attached logical volume (by design).
Philip ElderTechnical Architect - HA/Compute/StorageCommented:
Yes. Will the server(s) be HP and have HP SAS HBAs installed?

We always put two HBAs in for redundancy and enable MPIO. This gives us some good bandwidth to play with.

I suggest one large array and at least two LUNs. That would allow for each LUN to be bound to one controller to distribute the IO.
Ian TaylorIT Infrastructure Architect .:|:.:|:.Author Commented:

Yes it's 1x DL380 G7 and has a HBA card in the back, we plan to use as a single hyper v server.

If I plug 2 SAS cables in (1 from each controller) and plug into the server enabling MPIO is that workable?

Also in regards to one big LUN, I'm thinking RAID50 instead of RAID5, thoughts?
Philip ElderTechnical Architect - HA/Compute/StorageCommented:
One HBA with two ports still equals one HBA.

Our preference is to have two HBAs plugged in. Depending on the firmware setup we could then have each HBA plugged into both controllers (4 cables).

That being said, we'd be setting up one RAID 6 array (on board cache and batteries required) with a minimum of 2 LUNs.

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