On Jan 29, 2007, at 20:27, Toby Thain wrote:
On 29-Jan-07, at 11:02 PM, Jason J. W. Williams wrote:
I seem to remember the Massive Array of Independent Disk guys ran
into
a problem I think they called static friction, where idle drives
would
fail on spin up after being idle for a long time:
You'd think that probably wouldn't happen to a spare drive that was
spun up from time to time. In fact this problem would be (mitigated
and/or) caught by the periodic health check I suggested.
What about a rotating spare?
When setting up a pool a lot of people would (say) balance things
around buses and controllers to minimize single points of failure,
and a rotating spare could disrupt this organization, but would it be
useful at all?
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