On Sep 16, 2009, at 6:50 PM, Marion Hakanson <hakan...@ohsu.edu> wrote:
rswwal...@gmail.com said:
There is another type of failure that mirrors help with and that is
controller or path failures. If one side of a mirror set is on one
controller or path and the other on another then a failure of one
will not
take down the set.
You can't get that with RAIDZn.
You can if you have a stripe of RAIDZn's, and enough controllers
(or paths) to go around. The raidz2 below should be able to survive
the loss of two controllers, shouldn't it?
It's not the stripes that make a difference, but the number of
controllers there.
What's the system config on that puppy?
-Ross
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