Date: Thu, 5 Aug 2021 10:54:19 -0500 From: Alan Somers <asomers@freebsd.org> To: David Chisnall <theraven@freebsd.org> Cc: Alan Somers <asomers@freebsd.org>, freebsd-current <freebsd-current@freebsd.org> Subject: Re: Building ZFS disk images Message-ID: <CAOtMX2iVLOpZ5WjQCWhmV5ysH%2BgAM-%2BH45GbiY7d16Sf8rU41Q@mail.gmail.com> In-Reply-To: <8ab3d440-889e-25d4-71f9-e7ae2386daeb@FreeBSD.org> References: <16473d5f-1727-233a-7a95-a21c5b48b9ce@FreeBSD.org> <CAOtMX2hxj%2Bxehjk-5QoF4ao4z3Fs7ifxTjzRsQrXz7Z8g16eVw@mail.gmail.com> <8ab3d440-889e-25d4-71f9-e7ae2386daeb@FreeBSD.org>
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--00000000000041926505c8d1efca Content-Type: text/plain; charset="UTF-8" There's this: https://openzfs.github.io/openzfs-docs/man/8/zpool-reguid.8.html . I haven't used it myself. On Thu, Aug 5, 2021, 9:29 AM David Chisnall <theraven@freebsd.org> wrote: > On 05/08/2021 13:53, Alan Somers wrote: > > I don't know of any way to do it using the official release scripts > > either. One problem is that every ZFS pool and file system is supposed > > to have a unique GUID. So any kind of ZFS release builder would need to > > re-guid the pool on first boot. > > Is there a tool / command to do this? I've hit this problem in the > past: I have multiple FreeBSD VMs that are all created from the same > template and if one dies I can't import its zpool into another because > they have the same UUID. > > It doesn't matter for modern deployments where the VM is stateless and > reimaged periodically but it's annoying for classic deployments where I > have things I care about on the VM. > > David --00000000000041926505c8d1efca--
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