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Going from RAID1 to RAID0+1 - Page 2

post #11 of 25
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Quote:
Originally Posted by DuckieHo View Post
Delete all data on all the HDs and create a RAID0+1 array.

If using the Intel Matrix program, open up the app and there should be a setting for it. However, I would rather create an image and do it myself. If the something goes wrong, your data will probably be corrupted.


Actually.... if this is only data.... why RAID0+1 at all? You don't need performance to get data off the drives faster.
Well I have 4 500GB HD's and I definitely need redundancy so Raid1 at minimum is a must. I figured I might as well have 1TB instead of 500GB. This is for my server and these drives are shared out like crazy, i thought it might help.
post #12 of 25
Well then why not raid 5? Added benefit of more space.
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post #13 of 25
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cuz my board only supports RAID0, RAID1 and RAID0+1. I don't wanna be buying expansion RAID cards.
post #14 of 25
got it... Good reason.

Duckie has to keep reminding me that raid on mobo's don't support raid 5. (think I would have remembered by now)
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post #15 of 25
The P35 chipset does support RAID5....

The XOR calc is done by the CPU so there is a performance and overhead issue. However, you can do RAID5 if you are using the DFI Dark P35-T2RS
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post #16 of 25
how much of a performance overhead is there using raid 5? and how much of an effect would it cause in a modern system?
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post #17 of 25
Thread Starter 
Quote:
Originally Posted by DuckieHo View Post
The P35 chipset does support RAID5....

The XOR calc is done by the CPU so there is a performance and overhead issue. However, you can do RAID5 if you are using the DFI Dark P35-T2RS
My server has a DFI Blood Iron though, it's not my sig rig. And as far as I know (from the DFI website) my board does not support RAID5 even though it is a P35 chipset.
Edited by PuffinMyLye - 6/11/08 at 11:32am
post #18 of 25
Quote:
Originally Posted by rx7speed View Post
how much of a performance overhead is there using raid 5? and how much of an effect would it cause in a modern system?
All the benchmarks I've seen show the read times are ok, but the write times are usually abysmal, around 15 MB/s (thats around the speed of a 16x DVD drive. A regular sata HD has a sustained write of about 55 MB/s). Dedicated is usually the way to go for raid 5, unless you have a lot of time on your hands.
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post #19 of 25
Quote:
Originally Posted by PuffinMyLye View Post
My server has a DFI Blood Iron though, it's not my sig rig. And as far as I know (from the DFI website) my board does not support RAID5 even though it is a P35 chipset.
My fault... it's the Southbridge that contains the HD/RAID controller.

Do you have a BloodIron P35-T2L or P35-T2RL?
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post #20 of 25
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Quote:
Originally Posted by DuckieHo View Post
My fault... it's the Southbridge that contains the HD/RAID controller.

Do you have a BloodIron P35-T2L or P35-T2RL?
BloodIron_P35-T2RL and I just re-checked and you're right, it does support RAID5. What are the advantages of RAID5 over RAID0+1? Which would be best for my situation? My server is primarily used for media sharing (videos especially) but also as and FTP server.
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