On 21.03.2010 01:25, Robert Milkowski wrote:
To add my 0.2 cents...
I think starting/stopping scrub belongs to cron, smf, etc. and not to
zfs itself.
However what would be nice to have is an ability to freeze/resume a
scrub and also limit its rate of scrubbing.
One of the reason is that when working in SAN environments one have to
take into account more that just a server where a scrub will be running
as while it might not impact the server it might cause an issue for
others, etc.
Does cron happen to know how many other scrubs are running, bogging down
your IO system? If the scrub scheduling was integrated into zfs itself,
it would be a small step to include smf/sysctl settings for "maximum
number of parallel scrubs", meaning the next scrub could "sit waiting"
until the running ones are finished.
//Svein
--
Sending mail from a temporary set up workstation, as my primary W500 is
off for service. PGP not installed.
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