Date: Sun, 24 Jul 2022 21:43:21 -0400 From: "Kevin P. Neal" <kpn@neutralgood.org> To: "Steve O'Hara-Smith" <steve@sohara.org> Cc: questions@freebsd.org, void@f-m.fm Subject: Re: zpool query Message-ID: <Yt31ObeWipRsQDUa@neutralgood.org> In-Reply-To: <20220725001515.7d33464df2bc271ea364bd8b@sohara.org> References: <6baba52f-309a-4ebd-aef5-5b513470a48c@www.fastmail.com> <20220724160608.5e0a288a8c279b1f3348f890@sohara.org> <Yt3IFwXDz8bne2TH@neutralgood.org> <20220725001515.7d33464df2bc271ea364bd8b@sohara.org>
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On Mon, Jul 25, 2022 at 12:15:15AM +0100, Steve O'Hara-Smith wrote: > On Sun, 24 Jul 2022 18:30:47 -0400 > "Kevin P. Neal" <kpn@neutralgood.org> wrote: > > > On Sun, Jul 24, 2022 at 04:06:08PM +0100, Steve O'Hara-Smith wrote: > > > On Sun, 24 Jul 2022 13:35:29 +0000 > > > void <void@f-m.fm> wrote: > > > > > > > Hi, > > > > > > > > I'd like to convert a zpool made of two striped disks and make it so > > > > that they are a mirror. > > > > > Provided there is not too much data then you can use zpool > > > remove to remove one drive from the stripe - this will take time > > > because all the data has to be copied and it will fail if there isn't > > > room for it all. > > > > > > Once the drive is removed you can use zpool attach to add it as > > > a mirror of the other drive. > > > > > > Full disclosure - this is as documented I've never needed to do > > > it. > > > > When did this start to work? The man page zpool(8) doesn't say it works > > for striped vdevs. It seems quite useful for people who used the wrong > > verb and ended up with a striped vdev instead of a mirror, which has > > happened on this list before. > > > > Would "void" by any chance verify that it works and let us know? > > From the manpage of zpool-remove on a 13.1 box: Ah. Well, there's my answer. I'm running 12.3 and it isn't there. That gives me something to look forward to when I upgrade. :) Thanks! -- Kevin P. Neal http://www.pobox.com/~kpn/ On the community of supercomputer fans: "But what we lack in size we make up for in eccentricity." from Steve Gombosi, comp.sys.super, 31 Jul 2000 11:22:43 -0600
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