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#1 |
![]() Join Date: Sep 2011
Location: Bathurst, NSW
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RAID controller for SATA ports query
A friend of mine bought a RAID controller not knowing what it was, for the sake of obtaining additional SATA ports.
http://www.pccasegear.com/index.php?...ducts_id=15511 I've never bothered with RAID controllers before so I don't know much about them. Would it be possible for him to use the controller to add drives to be treated normally, or at least use RAID 1 on single drives individually? |
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#2 |
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Senior Moderator
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#3 |
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Excellent, so he can add eight more drives? He'll be pleased about that. For some reason he doesn't have enough at 9.5TB internal, 2TB portable, and 4TB unused. =.=
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#4 |
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Errr what exactly does he store on his computer?
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#5 |
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Who knows, a lot of full definition video for sure, that and he pretty much never deletes anything.
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#6 |
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Served 5k and counting ...
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First off, very wise decision to get a dedicated card. Second, raid5 3 drives instead of raid 1 with 2. It would provide some speed like raid 0.
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#7 |
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Oh yes, thanks. It's 5 am here and I completely overlooked speed and was just thinking about redundancy. I don't think he's interested in parity so would RAID 0 not best for him?
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#8 |
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Served 5k and counting ...
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Well like you said, he has a number of drives and raid 5 would provide a performance boost plus 2 drives would have to fail before losing all data on the array. I'm not against raid 0 just there are better options out there overit
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#9 | |
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Quote:
I've benched recently my RAID 0 and RAID 10 drives as well as my single ones and so you can compare speeds. This post: http://www.techpowerup.com/forums/sh...3&postcount=33 And this post: http://www.techpowerup.com/forums/sh...7&postcount=49 NOTE: I took 4*1 TB HDDs and partitioned them in to 2 different RAID types. I have 500 GB into RAID 0 and the rest for RAID 10.
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#10 |
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Yeah, it's certainly a good option, I'm sure he can afford it. I'll let him know.
Doesn't RAID 5 only have a fault tolerance of one drive? |
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#11 | |
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Quote:
I've had 2 HDDs fail on me with my RAID 10 but lost nothing: reason being they were from different RAID 1s within the RAID 10. The problem was the cable that kept losing contact and the controller only found 2 instead of the 4 HDDs. I've since replaced the cable (way to go Adaptec technical support for sending me a free cable ) and my HDD detection problems went away.
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#12 |
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Served 5k and counting ...
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You are correct. RAID 10 would be a good option, would only do that if there can be (even more of) a sacrifice of storage space.
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#13 |
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Raid 5 was best when i was using it but was best with 4 drives than 3 as there was a bigger boost from it.
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