On 09/09/10 20:08, Edward Ned Harvey wrote:
Scores so far:
2 No
1 Yes
No. resilver does not re-layout your data or change whats in the block
pointers on disk. if it was fragmented before, it will be fragmented after.
C) Does zfs send zfs receive mean it will defrag?
Scores so far:
1 No
2 Yes
"maybe". If there is sufficient contiguous freespace in the destination
pool, files may be less fragmented.
But if you do incremental sends of multiple snapshots, you may well
replicate some or all the fragmentation on the origin (because snapshots
only copy the blocks that change, and receiving an incremental send does
the same).
And if the destination pool is short on space you may end up more
fragmented than the source.
- Bill
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