zpool scrub speed

Uncle Stoatwarbler stoatwblr at gmail.com
Tue May 17 05:59:44 EDT 2011


On 17/05/11 00:49, Brian Behlendorf wrote:

> You could try decreasing zfs_scan_idle.  If this significantly improves
> the scrub performance then you likely have some frequent user I/O going
> on your unaware of.  You should find it and stop it.

iotop is very handy for finding this kind of thing.



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