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RAID controller for SATA ports query

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#1

erocker

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#2
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. :)
 
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#3
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
Errr what exactly does he store on his computer?
 
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#5
Who knows, a lot of full definition video for sure, that and he pretty much never deletes anything.
 

JrRacinFan

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#6
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
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
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
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.
 
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#10
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
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 :D) and my HDD detection problems went away.
 

JrRacinFan

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#12
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.
 

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#13
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.