On Mar 31, 2009, at 04:31, Scott Lawson wrote:

http://blogs.sun.com/ahl/entry/expand_o_matic_raid_z

There's a more recent post on bp (block pointer) rewriting that will allow for moving blocks around (part of cleaning up the scrub code):

http://blogs.sun.com/ahrens/entry/new_scrub_code

This should help in vacating of devices, and perhaps restriping and defragmenting as well.

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