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2006 Sep 17
2
ZFS layout on hardware RAID-5?
...reconstruct time on these 400GB 7200RPM drives. Some options we''re considering with ZFS are: (0) One 13D+1P h/w RAID-5 group, one hot-spare, configured as 5-9 LUN''s. Setup ZFS pool of one RAID-Z group from all those LUN''s. With a 6-LUN RAID-Z group should have ~4333GB available space (9-LUN group gives ~4622GB). Some block-level recovery available, but an extra helping of RAID-Z space overhead is lost. (1) Two 6D+1P h/w RAID-5 groups, configured as 1 LUN each. Run a simple stripe ZFS pool consisting of those two LUN''s. The "con&quot...