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Mixing SAS & Sata drives in an HP DL320s

I just acquired an HP DL320s server that has 12 drive bays for either SAS or SATA drives.  My question is, can I mix the two?  I acquired 8 300gb SAS for my main data (in a RAID 5 as the C drive), but I am interested in getting 4 750gb SATA drives (in RAID 5 as the d drive)  so that at night I can set up my backup program to copy everything from the C drive to the D drive.

In theory it sounds good, but I just need to know if it will work or not.  Please let me know.
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rustyrpage
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rustyrpage
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dhoffman_98Commented:
It should work fine, especially considering that you will make the SATA drives a separate volume.

I would advise against using combinations of SAS and SATA on the same volume because you are likely to cause a bottleneck in throughput that way.
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rustyrpageAuthor Commented:
Yeah, they will be different volumes, I just wanted to know if this specific server can handle it (I know that you can mix them if you have different controllers etc)....
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dhoffman_98Commented:
I'm not very familiar with the 320s. I've used mostly DL series... 145, 360, 385, 380, etc.... but not the 320. SAS and SATA would use different controllers though, so if the machine supports them both, then I don't know a good reason why you would have to choose one or the other. Sorry if I'm not sounding 100% on this one. I just can't be sure unless I go to the HP site and look at specs. But then again I'm guessing you already did that.
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nightmare2Commented:
The DL320S uses the smart array P400 which is able to mix and match SAS and SATA drives.

From HP Q&A:
What does it mean to mix and match SAS and SATA drives in the same Enclosure?
SAS and SATA drives employ similar physical characteristics which allow the ability to have SAS drives for reliable on-line data and SATA for tiered storage connected to the same server backplane or storage Enclosure.

So it's ok to make one SAS array and one SATA array on your server.

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ezatonCommented:
The ability of SAS is to support SATA drives (but not vice versa), so this should work with SAS controller and SAS+SATA disks. However SAS disks nowadays are 2.5" wide, while SATA disks are 3.25" wide, so you need adequate cages, and I'm not sure if these can be combined on the 320.
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rustyrpageAuthor Commented:
The 320s has 3.5" drives....all of my other HPs use the 2.5".  Thanks for the pointers.
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nightmare2Commented:
The DL320S uses the 3.5" SAS form factor like SATA drives.
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