Ming Zhang wrote:
Why can't you just mark that drive as failed, remove it and hotadd a
new drive to replace the failed drive?
because background rebuild is slower than disk to disk copy, since his
disk is still fully functional.
Wouldn't it be great if every disk in a RAID volume were in its own way
a degraded RAID1 device without a mirror? Then when any drive started
generating recoverable errors and warnings a mirror could be allocated
without any downtime. You can certainly generate a layout like this
manually, but it would be nice to have that sort of feature out of the
box (and without the performance hit!). This would help a great deal in
a situation such as Dexter's.
-Brendan (synk@xxxxxxxx)
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