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Need help fast! Raid 5 configuration

post #1 of 10
Thread Starter 
I am setting up 4 x 74 gig raptor drives in raid 5. What do I set the control pins to???

master or slave?

HELP fast!

Thanks
Kyle
    
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post #2 of 10
Err.. huh?

As far I know, SATA Drives don't have master/slave jumpers. If so, leave them to master I'd say. I think that jumper has a different function... I'd just leave it where it is.

Why RAID5? I do hope you have a dedicated RAID controller that support true hardware RAID, otherwise your write performance is going to be pretty much horrible (onboard controllers do not support hardware RAID. What is supported is psuedo hardware RAID, which basically is software based RAID).

If you do it onboard, RAID0+1 is a better solution, although it will cost you storage space
    
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post #3 of 10
Thread Starter 
Quote:
Originally Posted by Chozart
Err.. huh?

As far I know, SATA Drives don't have master/slave jumpers. If so, leave them to master I'd say.

Why RAID5? I do hope you have a dedicated RAID controller that support true hardware RAID, otherwise your write performance is going to be pretty much horrible (onboard controllers do not support hardware RAID. What is supported is psuedo hardware RAID, which basically is software based RAID).

If you do it onboard, RAID0+1 is a better solution, although it will cost you storage space
LOL!!! HA your right about the salve/master jumper. They do not have them. I got in such a rush, that I thought the jumper was slave/master. Its actually for SSC (spread spretcrum clocking) or PM2

comes stock at SSC pins 1 & 2

"Jumpered Pins 1 & 2 disable SSC"
"Jumpered Pins 3 & 4 enable PM2"

7 5 3 1
8 6 4 2

so what do I do what that?
    
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post #4 of 10
Yup, they dont
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post #5 of 10
Here is somethiong about it:
http://wdc.custhelp.com/cgi-bin/wdc....i=&p_topview=1

I'd leave them alone. I think this has to do with very specific set ups that require that drives spin up in a certain order. Don't touch
    
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post #6 of 10
Thread Starter 
Quote:
Originally Posted by Chozart
Here is somethiong about it:
http://wdc.custhelp.com/cgi-bin/wdc....i=&p_topview=1

I'd leave them alone. I think this has to do with very specific set ups that require that drives spin up in a certain order. Don't touch

hmmmm,.....ok thanks for that bit of info. So then I should leave them alone and they dont have anything to do with raid?
    
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post #7 of 10
Thread Starter 
Quote:
Originally Posted by Chozart
Why RAID5? I do hope you have a dedicated RAID controller that support true hardware RAID, otherwise your write performance is going to be pretty much horrible (onboard controllers do not support hardware RAID. What is supported is psuedo hardware RAID, which basically is software based RAID).

If you do it onboard, RAID0+1 is a better solution, although it will cost you storage space
well, I have been going back and forth, back and forth. cant decided what to do. My board has Intel Matrix technology ( whatever that is )

In the beginning I was going to do 0+1, then got talked into raid 5. I dont know what to do?
    
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post #8 of 10
check my FAQ's on RAID performance. Intel Matrix is one of those Psuedo hardware RAIDs. If you really feel bored, you can try one, install Windows, run benchmarks, and do the same for the other. My tests revealed that on my specific board, RAID5 write performance sucks. What is your reason for RAID5 over RAID0+1?
    
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post #9 of 10
Thread Starter 
My reasoning is that people talked about it being better then raid 0+1. I am new to all this so I am trying to figure it out.

If you think 0+1 is the best, then thats what I will do. Thats what I was going to do originally
    
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post #10 of 10
Well... RAID5 has the advantage that you'll have more storage space. If those are 74GB Raptors, RAID5 will give you 222GB of storage, while RAID0+1 gives you 148GB (you effectively 'lose' another disk). If you look at my FAQ (see sig), you'll notice that write performance in RAID5 is not good. Now, it depends how many write operations yuo perform, but for me that was an important factor ( you for sure don't want your page file on such kind of low-performance disk).

Also, RAID5 is harder to recover in case of a disk failure. My personal preference is 0+1
    
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