Date: Thu, 26 May 2011 09:14:08 -0700 From: Nick Sayer <nsayer@kfu.com> To: Andriy Gapon <avg@FreeBSD.org> Cc: "freebsd-fs@FreeBSD.org" <freebsd-fs@FreeBSD.org> Subject: Re: kern/153804: boot from zfs kernel.old recovery undocumented/impossible Message-ID: <C04E9E54-BEB9-4EE4-A32A-68E1530B3F04@kfu.com> In-Reply-To: <4DDE6FAE.9070601@FreeBSD.org> References: <201105261440.p4QEe9Rd011893@freefall.freebsd.org> <4DDE6FAE.9070601@FreeBSD.org>
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1. Man pages are not helpful when the system will not boot.=20 2. The page in question does not mention the correct type argument for the z= pool.cache (nor that the type is not material). Not that it necessarily shou= ld, but in either case, loader(8) is not sufficient.=20 3. Perhaps it would be particularly helpful to print some kind of message as= to WHY the system failed to mount root - that the zpool.cache file wasn't l= oaded. That message would be good google fodder to help folks with unbootabl= e systems get back up and running.=20 All I know is that I have been without an answer as to how to recover betwee= n January and a few days ago. That suggests to me the existence of a documen= tation gap.=20 On May 26, 2011, at 8:20 AM, Andriy Gapon <avg@FreeBSD.org> wrote: > on 26/05/2011 17:40 Nick Sayer said the following: >> The following reply was made to PR kern/153804; it has been noted by GNAT= S. >>=20 >> From: Nick Sayer <nsayer@kfu.com> >> To: bug-followup@FreeBSD.org >> Cc: =20 >> Subject: Re: kern/153804: boot from zfs kernel.old recovery undocumented/= impossible >> Date: Thu, 26 May 2011 07:31:13 -0700 >>=20 >> Before this gets closed, is someone going to maybe add this to some =3D >> documentation somewhere? This ought to go in the handbook at the very =3D= >> least. >=20 > Which part exactly? > IMO, loader(8) should be sufficient. >=20 >=20 > --=20 > Andriy Gapon
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