On Fri, Mar 19, 2010 at 06:34:50PM +1100, taemun wrote: > A pool with a 4-wide raidz2 is a completely nonsensical idea.
No, it's not - not completely. > It has the same amount of accessible storage as two striped mirrors. And > would be slower in terms of IOPS, and be harder to upgrade in the future All that is true. If those things weren't as important to you as error recovery, raidz2 make fine sense: a 4-way raidz2 can tolerate the loss of any 2 disks. The mirror pool may die with the loss of the wrong 2 disks. > Just my $0.02 Cost and benefit valuation are left to the user according to their circumstances. -- Dan.
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