Erik Trimble wrote:
All this discussion hasn't answered one thing for me: exactly _how_
does ZFS do resilvering? Both in the case of mirrors, and of RAIDZ[2] ?
I've seen some mention that it goes in cronological order (which to
me, means that the metadata must be read first) of file creation, and
that only used blocks are rebuilt, but exactly what is the methodology
being used?
See Jeff Bonwick's blog on the topic
http://blogs.sun.com/bonwick/entry/smokin_mirrors
-- richard
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