Date: Thu, 8 Oct 2015 14:33:41 -0700 From: aurfalien <aurfalien@gmail.com> To: Daniel Feenberg <feenberg@nber.org> Cc: Quartz <quartz@sneakertech.com>, freebsd-questions@freebsd.org Subject: Re: ZFS best resilver settings? Message-ID: <A6E7D1D4-9965-4BC0-BE1A-53998B9054FB@gmail.com> In-Reply-To: <alpine.LRH.2.11.1510081456070.1441@sas1.nber.org> References: <5615D856.4000801@sneakertech.com> <56161935.9040405@FreeBSD.org> <5616565B.8030802@sneakertech.com> <B24E3B09-C7E2-4183-8C9C-682544F4E836@gmail.com> <alpine.LRH.2.11.1510081456070.1441@sas1.nber.org>
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Holy guacamoly! For us, 3TB drives take about a day on a; 8x RaidZ2 stripes 46 disks array ~100TB usable Were at any given time its 70% or more used. - aurf "Janitorial Services" On Oct 8, 2015, at 11:59 AM, Daniel Feenberg <feenberg@nber.org> wrote: > > > On Thu, 8 Oct 2015, aurfalien wrote: > >> These settings help quicken my resilver times; >> >> vfs.zfs.resilver_delay 0 >> vfs.zfs.resilver_min_time_ms 5000 >> >> Also I check the disks regularly via cron and have this set; >> >> vfs.zfs.scrub_delay 0 >> > > Can I ask how long a relivering takes? We are seeing 8 days for a 3TB drive that is in modest use and wonder if that is to be expected. > > daniel feenberg >
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