From owner-freebsd-questions@freebsd.org Thu Oct 8 19:00:17 2015 Return-Path: <owner-freebsd-questions@freebsd.org> Delivered-To: freebsd-questions@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 4DB7C9D2342 for <freebsd-questions@mailman.ysv.freebsd.org>; Thu, 8 Oct 2015 19:00:17 +0000 (UTC) (envelope-from feenberg@nber.org) Received: from mail2.nber.org (mail2.nber.org [198.71.6.79]) by mx1.freebsd.org (Postfix) with ESMTP id 013528E2 for <freebsd-questions@freebsd.org>; Thu, 8 Oct 2015 19:00:16 +0000 (UTC) (envelope-from feenberg@nber.org) Received: from sas1.nber.org (sas1.nber.org [198.71.6.89]) by mail2.nber.org (8.15.1/8.14.9) with ESMTPS id t98Ixmhb018829 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT); Thu, 8 Oct 2015 14:59:49 -0400 (EDT) (envelope-from feenberg@nber.org) Date: Thu, 8 Oct 2015 14:59:47 -0400 (EDT) From: Daniel Feenberg <feenberg@nber.org> To: aurfalien <aurfalien@gmail.com> cc: Quartz <quartz@sneakertech.com>, freebsd-questions@freebsd.org Subject: Re: ZFS best resilver settings? In-Reply-To: <B24E3B09-C7E2-4183-8C9C-682544F4E836@gmail.com> Message-ID: <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> User-Agent: Alpine 2.11 (LRH 23 2013-08-11) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Anti-Virus: Kaspersky Anti-Virus for Linux Mail Server 5.6.39/RELEASE, bases: 20140401 #7726142, check: 20151008 clean X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: User questions <freebsd-questions.freebsd.org> List-Unsubscribe: <https://lists.freebsd.org/mailman/options/freebsd-questions>, <mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe> List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions/> List-Post: <mailto:freebsd-questions@freebsd.org> List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help> List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/freebsd-questions>, <mailto:freebsd-questions-request@freebsd.org?subject=subscribe> X-List-Received-Date: Thu, 08 Oct 2015 19:00:17 -0000 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