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Can you run Different Hard Drives in RAID 0

Post Date: 2015-01-13
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police215 View Drop Down
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Posts: 452 		  Quote police215 Quote  Post ReplyReply bullet Topic: Can you run Different Hard Drives in RAID 0
    Posted: 13 Jan 2015 at 8:31pm
DS Friends,

I have 3 total hard drives and Im looking to see if I can run all 3 of them in RAID 0 now I have NO experience of doing this, but i have been told and read that you can get some pretty good performance from doing it. Im trying to get more use out of the other hard drives. I haven't even used the other hard drives!!!!

Below is what I have running now.

2 - 1TB hard drive 7200 rpm "different manufactures"
1 - 750GB 7200 rpm. Everything is on this disk, and I have about 250GB left on it

I also run HARD DISK SENTINEL 4.50 and all of the driver are 100% healthy..

Any recommendations would be greatly appreciated

Edited by police215 - 13 Jan 2015 at 8:34pm

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police215 View Drop Down
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Posts: 452 		  Quote police215 Quote  Post ReplyReply bullet Posted: 13 Jan 2015 at 8:37pm
I have been reading on the web and a lot of people are saying yes, but I really trust the DS Forums

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Posts: 1674 		  Quote  Quote  Post ReplyReply bullet Posted: 13 Jan 2015 at 8:58pm
From what I remember, drives in a RAID configuration need to be the same size. With your drives, that would mean the two 1TB drives would be partitioned to 750GB and you would have a RAID array effectively of three 750GB drives. You will also need to save off your information on your drives while they are being formatted and you can write it back to the array once it has been set up.
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police215 View Drop Down
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Posts: 452 		  Quote police215 Quote  Post ReplyReply bullet Posted: 13 Jan 2015 at 9:20pm
Thats good to hear.... Not worried about losing 250gb off of the other 2 drivers.... I dont have that much stuff since I back my important files regularly onto a external drive. Also have everything backed up that needed to be saved and I would like ro do a fresh install with my imagine disk.. is that possible?

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Posts: 1627 		  Quote Meller Quote  Post ReplyReply bullet Posted: 14 Jan 2015 at 7:11am
Correct. Different brands, can even be different speeds (IE a 5400 rpm, 7200 rpm and what not), but as long as the size is the same, then you're good to go for a RAID 0.
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Posts: 5 		  Quote stylincases Quote  Post ReplyReply bullet Posted: 09 Feb 2015 at 2:16am
I really trust the DS Forums
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Posts: 5 		  Quote stylincases Quote  Post ReplyReply bullet Posted: 09 Feb 2015 at 2:18am
That is good to hear about it.
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Posts: 379 		  Quote Pacesetter Quote  Post ReplyReply bullet Posted: 11 Feb 2015 at 7:28pm
While the above information is correct it should be noted that Raid 0 is not fault tolerant. If one drive fails the whole array fails.

A good guide is here:
http://download.intel.com/support/motherboards/server/sb/d29305023_raid_swug_r23_5.pdf

start on page 9 - this is huge so starting here will give you an overview.

Basically Raid 0 is making a virtual drive of the drives in the array. Good performance but low fault tolerance.

Hope this helps.
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Posts: 1674 		  Quote  Quote  Post ReplyReply bullet Posted: 11 Feb 2015 at 7:47pm
http://www.tomshardware.com/reviews/ssd-raid-performance,2798.html

Good performance in select applications, not so much in others (with lower reliability all around).
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