Date: Mon, 7 Sep 2009 13:43:36 +0200 From: Pawel Jakub Dawidek <pjd@FreeBSD.org> To: killasmurf86@gmail.com, freebsd-fs@FreeBSD.org Subject: Re: kern/137037: [zfs] [hang] zfs rollback on root causes FreeBSD to freeze in few seconds Message-ID: <20090907114336.GH1659@garage.freebsd.pl> In-Reply-To: <200908120538.n7C5cAUF046203@freefall.freebsd.org> References: <200908120538.n7C5cAUF046203@freefall.freebsd.org>
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[-- Attachment #1 --] On Wed, Aug 12, 2009 at 05:38:10AM +0000, pjd@FreeBSD.org wrote: > Note that rollback of root file system is impossible to do on-line anyway. > Rollback will modify data on your root file system and because of that > file system being rolled back has to be unmounted and mounted with new data. > You shouldn't be able to unmount root file system anyway. Actually I was wrong here. Rollback is possible on a mounted file system, it doesn't need to unmount file system, but it is still a risky game. -- Pawel Jakub Dawidek http://www.wheel.pl pjd@FreeBSD.org http://www.FreeBSD.org FreeBSD committer Am I Evil? Yes, I Am! [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.4 (FreeBSD) iD8DBQFKpPHoForvXbEpPzQRAsHHAKCa6JDeMrit1+dRT15Kd+KF3IM5tgCeIzJj C7x6Fau/2Fsf73UoB/HG4CY= =piBJ -----END PGP SIGNATURE-----
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