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Reload this Page PERC 5/i RAID Card: Tips and Benchmarks

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Old 07-03-09   #2821 (permalink)
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You would be better off with RAID0 for OS use - RAID5 is not really suited to OS use either (it will suffer from the same problems as RAID0 as far as access times, but also has poor small random write performance - exactly the kinds of writes an OS makes regularly). The effect of the cache does work to mitigate this, but I would still recommend a single smaller OS disk (short-stroked HDD or SSD) and then a RAID5/6 storage array. If you need extra space for your apps or games and cannot afford a larger SSD then an extra 2-disk RAID0 array will be faster than a single disk for some games and roughly equal for others.

This does add up to a lot of disks though. I believe the optimal setup for most users buying disks now would be either a large enough SSD (prob 60/120GB) or single 1TB Caviar Black for OS (but not data - keep that off the main disk). Then have a separate RAID5/6 either locally or on a networked server to store your data.
The problem is that I only have 1 desktop and a laptop, and no option for a server.

I was thinking I would get raid 5 for OS which would give me increased speed and if 1 went down it would be ok. I would most likely short stroke too. And also maybe get another 1gb WD green and put that for a raid 5 also, to add to the 2 I already have.

This is just one option tho. So I am welcome to your suggestions.
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Old 07-03-09   #2822 (permalink)
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RAID 5 for an OS is fine. Just note that 3 drives in RAID 5 will not be as fast as two drives in RAID 0.

Also, make sure that your OS and data partitions are separate. It will save you a lot of headaches when you reformat.
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Old 07-03-09   #2823 (permalink)
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Does anyone know if a PERC 6/i can handle four 2TB drives in a RAID?
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Old 07-03-09   #2824 (permalink)
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Maybe if you said what you wanted to do (or what you hoped it would do) we could answer your question a little more usefully...
I just have 4 drives which I like to have 2 RAIDs of (2 of them RAID 0, the other 2 RAID 0)
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Old 07-03-09   #2825 (permalink)
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I just have 4 drives which I like to have 2 RAIDs of (2 of them RAID 0, the other 2 RAID 0)
The ICH10R on your motherboard will support 2 separate RAID0 arrays. If this is all you want to do then you probably won't see much benefit from buying a PERC (or any other RAID card).

If you shifted to new, fast SSDs, 4 of those, even running in separate arrays, might be enough to bottleneck the ICH10R. However this would likely bottleneck the PERC5 also.
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Old 07-03-09   #2826 (permalink)
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Guys if you could help me out. I am so stuck now. I am running XP, and Installed my PERC6i, but my drivers install with a exclamation mark, cannot start. I am using Foxconn ELA, and nailpolish mod. I tried plugging the controller into different slots and still nothing.
Thank you
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Old 07-03-09   #2827 (permalink)
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Could anyone link me to the correct bbu on ebay.
Ive been looking for one but there doesnt seem to be many

I found these but they look different than most ive seen for percs

http://cgi.ebay.com/Perc-128MB-Memor...3%3A1|294%3A50

http://cgi.ebay.com/Poweredge-2600-2...3%3A1|294%3A50

also any guess on how long it would take to OCE 2 750gb to a 4 drive array
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Old 07-03-09   #2828 (permalink)
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Could anyone link me to the correct bbu on ebay.
Ive been looking for one but there doesnt seem to be many

I found these but they look different than most ive seen for percs:
both are wrong

you need to look for bbu like this one:
http://cgi.ebay.co.uk/ws/eBayISAPI.d...m=380135406923
or this:
http://www.impactcomputers.com/nu209.html

NU209 7WHR / FR463

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Old 07-03-09   #2829 (permalink)
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Does anyone know if a PERC 6/i can handle four 2TB drives in a RAID?
Yeah it can.

Most all drives will work fine with the PERC6/i card. You might get a bottleneck with Intel's X-25 SSDs. But that's a maybe.

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Old 07-03-09   #2830 (permalink)
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Yeah it can.

Most all drives will work fine with the PERC6/i card. You might get a bottleneck with Intel's X-25 SSDs. But that's a maybe.
Cool, thanks man!
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