On Tue, 2009-12-15 at 17:28 -0800, Bill Sprouse wrote:
> After
> running for a while (couple of months) the zpool seems to get
> "fragmented", backups take 72 hours and a scrub takes about 180
> hours.
Are there periodic snapshots being created in this pool?
Can they run with atime turned off?
(file tree walks performed by backups will update the atime of all
directories; this will generate extra write traffic and also cause
snapshots to diverge from their parents and take longer to scrub).
- Bill
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