Date: Mon, 21 Jan 2013 07:52:58 +0100 From: Attila Nagy <bra@fsn.hu> To: Zaphod Beeblebrox <zbeeble@gmail.com> Cc: freebsd-fs <freebsd-fs@freebsd.org>, FreeBSD Hackers <freebsd-hackers@freebsd.org> Subject: Re: ZFS regimen: scrub, scrub, scrub and scrub again. Message-ID: <50FCE5CA.7080006@fsn.hu> In-Reply-To: <CACpH0Mf6sNb8JOsTzC%2BWSfQRB62%2BZn7VtzEnihEKmEV2aO2p%2Bw@mail.gmail.com> References: <CACpH0Mf6sNb8JOsTzC%2BWSfQRB62%2BZn7VtzEnihEKmEV2aO2p%2Bw@mail.gmail.com>
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Hi, On 01/20/13 23:26, Zaphod Beeblebrox wrote: > > 1) a pause for scrub... such that long scrubs could be paused during > working hours. > > While not exactly pause, but isn't playing with scrub_delay works here? vfs.zfs.scrub_delay: Number of ticks to delay scrub Set this to a high value during working hours, and set back to its normal (or even below) value off working hours. (maybe resilver delay, or some other values should also be set, I haven't yet read the relevant code)
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