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Raid 5 ??

post #1 of 4
Thread Starter 
Hey guys I was thinking about setting up a raid5 with my new setup when I put it together. Same setup as now but a abit p35 board. I was thinking of going with a few WD 250 gig HDD's since I allready have 2 of them. Ill be adding one more for this raid.

Coupel questions, what size stripe should I use and will running in raid 5 give me a big hit on performance going from my 74g raptor to that.

Also if I decide to add another 250g HDD later will I be able to do that or would I have to reformat and setup the raid again. I know you can replace HDD's that go bad in the raid but adding one more I wasnt sure of.

Lastly would this be a better option the raid 10 or would raid10 be a better option. I wanna keep all of mys tuff backed up as best as possible without having a bunch of back up external drives laying around.

Thanks
xeon
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xeon
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post #2 of 4
RAID 5 only gives you a boost if it is "HardWare" RAID 5--the parity calculations are processor intensive--hence the use of RIAD 5 cards...

However RAID 10 or 0 + 1 is very much as fast as RAID0 as far as onboard RAID goes and is rebuildable. You can add a drive or remove a drive from the array (not hot swapping) and it will still be intact.
Shop Dog
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Shop Dog
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post #3 of 4
i would stay away from RAID 5 unless you are willing to drop a few hundred bucks on a decent RAID card...


Also, for you to get the most out of a RAID 5 array, you would want to go with no less than 5 hdds... You get redundancy that way. If a drive fails you can rebuild the array with another hdd and keep all your data... All this really depends on the RAID card you pick up also...
good enough
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good enough
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post #4 of 4
Thread Starter 
Thanks for the good info guys, I think Ill go with raid 10 since I dont feel liek dropping a few hundred on a raid card and getting twice as many hdd's.
xeon
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xeon
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