Date: Sun, 7 Mar 2021 09:49:38 -0800 From: Freddie Cash <fjwcash@gmail.com> To: FreeBSD Filesystems <freebsd-fs@freebsd.org> Subject: Re: adding another disk to an existing vdev Message-ID: <CAOjFWZ5tf2ba5ZJqV0M2hZ57Ux%2Biuhxz0qKpZzBEoXZ_upZ-7A@mail.gmail.com> In-Reply-To: <YEUMkh2EzWG1xKwy@ceres.local> References: <YEUMkh2EzWG1xKwy@ceres.local>
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On Sun., Mar. 7, 2021, 9:25 a.m. tech-lists, <tech-lists@zyxst.net> wrote: > Hi, > > Say there are 4 identical disks in total. Three of them are in an > already-existing raidz1-0 vdev. > > Can I add this fourth disk to the vdev? Will it still be a raidz1-0 > vdev? > > Will I need to eg resilver/scrub/anything else ? > > There are some answers for this question being "no" but these are from a > decade ago. Is it possible now? > > Context is recent stable/12. The context can be changed if required. > No, you cannot extend a raidz vdev by adding disks to it. The number of drives in a raidz vdev is fixed at creation time. Cheers, Freddie Typos due to smartphone keyboard. >
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