Which raid type to use?

M

mrwill

Limp Gawd
Joined
Dec 26, 2005
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I will be getting a fourth 1GB HD next week. I currently have 3 of the same type and would like to create a raid array using an LSI 9260 controller. I have read several articles, but am not sure which raid type to use. Any suggestions? I will be processing large video files and would like to get the performance of Raid 0, but have read that this is not a good idea because there is no redundancy.

Also, what will an LSI 9265 controller get me? Biggest difference is the 9260 has 512 memory and the 9265 has 1GB of memory.

EDIT: The LSI controllers support raid levels 0, 1, 5, 6, 10, 50, & 60. The last two take 6 and 8 drives, so that eliminates them. I was thinking maybe raid 10 might be my best choice.
 
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What about the difference in memory on the raid card? Will the extra memory help anything?
 
9265 is a dual core, the 9260 is single core. this will matter if you are doing raid5 and 6 on ssds. probably not for anything else.

the extra memory will help in read caching.
 
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