Date: Mon, 27 Sep 2021 14:09:48 -0600 From: Alan Somers <asomers@freebsd.org> To: Mark Johnston <markj@freebsd.org> Cc: David Chisnall <theraven@freebsd.org>, freebsd-current <freebsd-current@freebsd.org> Subject: Re: Building ZFS disk images Message-ID: <CAOtMX2j=P-5Bg%2BURkR73Zkz-nzYGT-LU=vnk_=pGMGUrXKAJkg@mail.gmail.com> In-Reply-To: <YVIhdJciZSXzeAr%2B@nuc> References: <16473d5f-1727-233a-7a95-a21c5b48b9ce@FreeBSD.org> <CAOtMX2hxj%2Bxehjk-5QoF4ao4z3Fs7ifxTjzRsQrXz7Z8g16eVw@mail.gmail.com> <8ab3d440-889e-25d4-71f9-e7ae2386daeb@FreeBSD.org> <CAOtMX2iVLOpZ5WjQCWhmV5ysH%2BgAM-%2BH45GbiY7d16Sf8rU41Q@mail.gmail.com> <YVIhdJciZSXzeAr%2B@nuc>
next in thread | previous in thread | raw e-mail | index | archive | help
On Mon, Sep 27, 2021 at 1:54 PM Mark Johnston <markj@freebsd.org> wrote: > > On Thu, Aug 05, 2021 at 10:54:19AM -0500, Alan Somers wrote: > > There's this: > > https://openzfs.github.io/openzfs-docs/man/8/zpool-reguid.8.html . I > > haven't used it myself. > > Would it be useful to have an rc.d script that can run this, probably > just on the root pool? It could be configured to run only upon the > first boot, like growfs already does. Absolutely! > > > 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
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?CAOtMX2j=P-5Bg%2BURkR73Zkz-nzYGT-LU=vnk_=pGMGUrXKAJkg>