RAID controller for SATA ports query

sixequalszero · Oct 1, 2011

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?main_page=product_info&cPath=210_385&products_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?

erocker · Oct 1, 2011

sixequalszero said:
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?

Yes, you can add drives normally. You need at least two drives for RAID 1. That's a nice controller btw.

sixequalszero · Oct 1, 2011

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. =.=

Darkleoco · Oct 1, 2011

Errr what exactly does he store on his computer?

sixequalszero · Oct 1, 2011

Who knows, a lot of full definition video for sure, that and he pretty much never deletes anything.

JrRacinFan · Oct 1, 2011

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.

sixequalszero · Oct 1, 2011

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?

JrRacinFan · Oct 1, 2011

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

HTC · Oct 1, 2011

JrRacinFan said:
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.

Wouldn't RAID 10 work better here? It should have faster writes when compared to RAID 5, but 4 drives are needed for RAID 10.

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/showpost.php?p=2393573&postcount=33

And this post: http://www.techpowerup.com/forums/showpost.php?p=2395887&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.

sixequalszero · Oct 1, 2011

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?

HTC · Oct 1, 2011

sixequalszero said:
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?

I think so but i'm unsure of this.

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.

JrRacinFan · Oct 1, 2011

sixequalszero said:
Doesn't RAID 5 only have a fault tolerance of one drive?

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.

AsRock · Oct 1, 2011

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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System Name	HAF
Processor	Intel Q9650 3.0 GHz
Motherboard	Gigabyte EP43T-UD3L
Cooling	Prolimatech Megahalems Rev. B
Memory	Corsair CMX16GX3M4A1600C9 (4x4GB@1600)
Video Card(s)	Galaxy GTX 560
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System Name	HAF
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Motherboard	Gigabyte EP43T-UD3L
Cooling	Prolimatech Megahalems Rev. B
Memory	Corsair CMX16GX3M4A1600C9 (4x4GB@1600)
Video Card(s)	Galaxy GTX 560
Storage	2x Corsair SSD + 6TB
Display(s)	2x Samsung P2350 w/ Visidec VF-AT-D
Case	Cooler Master HAF 932 (RC-932)
Power Supply	Corsair TX850
Software	Win7x64

RAID controller for SATA ports query

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