I've noticed (at least on Solaris 10) that the resiver rate appears to
slow down considerably as it nears completion.
On an eight 500G raidz2 vdev, after 28 hours zpool status reported:
spare DEGRADED 0 0 63
c1t6d0 DEGRADED 0 0 11 too many errors
c5t5d0 ONLINE 0 0 0 513G resilvered
Now after 55 hours:
spare DEGRADED 0 0 63
c1t6d0 DEGRADED 0 0 11 too many errors
c5t5d0 ONLINE 0 0 0 547G resilvered
Which looks like >500GB in the first 28 hours and 34GB in the next.
Is this an artefact of the reporting, or something else? 547G
resilvered on a 500GB drive is a little suspicious!
--
Ian.
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