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Build low cost SAN

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December 5, 2012 2:36:16 PM

Hi everyone !

I want to build a low cost SAN based on Supermicro rack and use Nexenta os.
My San will be dedicated to virtualization VMware and OpenStack.

I'm wondering :
1 - Should i use 1TB SATA 6Gb 10k rpm drives (Velociraptor 185€)
or
2 - Should i use 1TB SAS 6GB 7.2k rpm drives ( Toshiba MK1001TRKB 1TB SAS - 120€)

The thing is Velociraptor are Dekstop disk where MK1001 are dedicated to run 24/24

For raid configuration I want to use RAID 10. What do u think ?

Thx

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a c 85 G Storage
December 5, 2012 4:25:54 PM

I think we need some more information for solid recommendation. So far i got, that you will have only one storage box. In this case a SAN os would be a little overkill, because a simple NAS box would do the job. How many disks do you need? That's important for the raid config. For 5 - 8 disks i would go for a raid 5 or 6. Les waist of space and nearly the same redundancy. Oh, and sure the cheaper 7.2k sas or even sata 7/24 disks. Buy one more as spare for the saved money.
December 5, 2012 9:05:46 PM

Hi Noida77 and thanks for your answer.

First the SAN will be the first step other should come later if everythong goes well.

For the number of disk well it of course depend on the price and so i think we maybe should take the question from another point of view. Which disk and RAID configuration should i need to build a SAN dedicated to virtualization with at least 2TB of space for under 1000$ of disks ? :D 
!