Date: Mon, 15 Feb 2016 20:30:10 -0500 From: Paul Kraus <paul@kraus-haus.org> To: Gary Palmer <gpalmer@freebsd.org> Cc: freebsd-fs@freebsd.org Subject: Re: Hours of tiny transfers at the end of a ZFS resilver? Message-ID: <AF528DBA-CDBE-4ACB-A6FE-F5F87328EC08@kraus-haus.org> In-Reply-To: <20160215213506.GB28757@in-addr.com> References: <8E04E52A-2635-4253-8140-F69495D7D0A6@panasas.com> <56C23E5B.7060207@multiplay.co.uk> <20160215213506.GB28757@in-addr.com>
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On Feb 15, 2016, at 16:35, Gary Palmer <gpalmer@freebsd.org> wrote: > It should be noted that ZFS can do the right thing only at pool = creation > time. Once the pool has been created the sector size of the = underlying > disks is baked in and can only be changed by creating a new pool on > the advanced format disks (or forcing the larger ashift value when > you initially create the pool, even if the disks are really 512 byte > sector drives) Is it baked in at the pool layer or the vdev layer ? I thought the = ashift was set on a vdev by vdev basis. -- Paul Kraus paul@kraus-haus.org
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