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Forum Discussion
XRaid 5 will support for 8 harddisk (RR331200)
Hi Team, I have query that for RR33XX device i am going to insert 8- 6TB harddisks and i have a quesry that shall i can configure x Raid with Raid 5 configuration? Regards, Racha..........
I'd like to point out though that with RAID5 and disks of that size, you are putting an awful lot of faith in there not being another disk die during a RAID rebuild, You'd be better leaving it as RAID6.
ukmagic wrote:
I'd like to point out though that with RAID5 and disks of that size, you are putting an awful lot of faith in there not being another disk die during a RAID rebuild, You'd be better leaving it as RAID6.
In my view "better off" depends in part on the consequences of a failed array. RAID-6 results in both a performance hit for writes and of course the extra cost/storage penalty for dual redundancy.
For instance, if you have a highly-available backup NAS (or if the NAS itself is a backup), then RAID-5 might be enough.
That said, RAID-6 is reasonable, especially if the OP is planning to expand to use all 12 bays in the future. FWIW, RAID-50 is also reasonable (perhaps using 3 RAID-5 groups of four disks each).
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