On Tue, 21 Jul 2009, Richard Elling wrote:
With wear leveling and zfs you would probably discover that the drive
suddenly starts to wear out all at once once it reaches the end of its
lifetime. Unless drive ages are carefully staggered, or different types of
drives are intentionally used, it might be that data redundancy does not
help. Poof!
Eh? Would you care to share how you calculate this?
It assumes that the devices are manufactured perfectly with quite
uniform properties and very well designed wear leveling which exposes
all cells to the same degree of wear. Perfection theroretically
results in Poof!
Bob
--
Bob Friesenhahn
bfrie...@simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer, http://www.GraphicsMagick.org/
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