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RAID 5 on desktop PC ?

post #1 of 3
Thread Starter 
Is here somebody who uses RAID 5 with INTEL OROM? I heard that RAID5 writing performance is very poor without write back cache enabled. Also initializing and rebuilding big arrays (4TB and more) take too much time (40+ hours?). I’m considering build RAID 5 on my Z77X-D3H and three WD30EFRX drives (3 TB each – it means 9 TB array with 3 TB parity and 6 TB usable space), but I’m afraid of problems with performance, data lost during unexpected shutdowns, etc. Are you using UPS ? What about write back cache without UPS ?

What’s your experience with RAID5 and Intel on desktop PC?

Thanks !
post #2 of 3
I tried RAID 5 with my intel motherboard a while back when I had some HDDs available. I was using 4 1TB HDDs at the time.
Performance was not that bad actually, it was a bit slow because of all the processing that needs to be done, but unless you are are going to be using the HDDs for video editing or something similar you should not have a problem.

I only used this configuration for a week so I can not comment on data integrity after unexpected shut downs. But performance wise I was happy with the speed of the Z77 chipset on my motherboard.
post #3 of 3
Thread Starter 
thanks for answer
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