Date: Fri, 28 Apr 2017 16:13:21 +0100 From: krad <kraduk@gmail.com> To: "Steve O'Hara-Smith" <steve@sohara.org> Cc: FreeBSD Questions <freebsd-questions@freebsd.org> Subject: Re: A seperate ZFS question Message-ID: <CALfReyfnZe89X6NkPX1Uu_8%2ByD7B7h%2BmKf_k0FeurWgLhF6atA@mail.gmail.com> In-Reply-To: <20170428155105.563a2ee5192bb8a08f76ca9d@sohara.org> References: <adb1b78d-2e03-d561-dac2-7c5da9a53a1c@ifdnrg.com> <alpine.BSF.2.20.1704281532300.10691@mail.fig.ol.no> <20170428155105.563a2ee5192bb8a08f76ca9d@sohara.org>
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maybe you can https://www.delphix.com/blog/delphix-engineering/openzfs-device-removal it wont be easy though as its another OS to boot into, which may for a pool upgrade. Probably easier to backup and recreate On 28 April 2017 at 15:51, Steve O'Hara-Smith <steve@sohara.org> wrote: > On Fri, 28 Apr 2017 15:52:59 +0200 (CEST) > Trond Endrest=C3=B8l <Trond.Endrestol@fagskolen.gjovik.no> wrote: > > > On Fri, 28 Apr 2017 14:14+0100, Paul Macdonald wrote: > > > > > > > > I fat fingered adding a cache drive and was unable to remove the SSD > > > cache drive (ada2) > > First, you have gpt/zfs0 and ada1p3 in a mirrored configuration. Next, > > you have ada2 striped (RAID 0) to the first pair of mirrors. This is a > > very weird "RAID 1 + 0" combo. Guess what will happen when you lose > > ada2! > > > > Maybe you should describe what you wanted to happen in the first > > place. > > He did, ada2 is supposed to be a cache drive, now it's a stripe. > > > I suggest you make good backups of this pool, destroy it, recreate it > > properly, and restore the missing data. > > Agreed, you can't undo adding a stripe. > > -- > Steve O'Hara-Smith <steve@sohara.org> > _______________________________________________ > freebsd-questions@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions- > unsubscribe@freebsd.org" >
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