Date: Wed, 6 May 2009 13:00:54 +0200 From: "Helmut Schneider" <jumper99@gmx.de> To: freebsd-stable@freebsd.org Subject: Re: [7.2] R/W mount of / denied. Filesystem not clean - run fsck. Message-ID: <gtrql6$jjn$1@ger.gmane.org> References: <gtrjq3$u24$1@ger.gmane.org> <4A015725.3050603@ksu.ru><gtrmgk$6fc$1@ger.gmane.org> <20090506100559.GP1550@core.byshenk.net>
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Greg Byshenk <freebsd@byshenk.net> wrote: > On Wed, May 06, 2009 at 11:50:11AM +0200, Helmut Schneider wrote: >> Marat N.Afanasyev <amarat@ksu.ru> wrote: >>> Helmut Schneider wrote: > >>>> after upgrading a few systems yesterday from 7.1-RELEASE to >>>> 7.2-RELEASE on one machine I got the error above. The problem was that >>>> >>>> - I was unable to cope with it but booting from a live CD. >>>> - the message appeared ~ 1000 times and then the kernel paniced. >>>> >>>> After fsck'ing / with the help of the live CD I rebooted the >>>> machine but now I got the same problem with /home. >>>> >>>> How can I avoid such issues (except of not letting the machine >>>> crash)? Is there a way to boot at least to single user mode and >>>> then run fsck (I was at home, far away from the machine, not funny)? > >> There is no 'login' when / cannot be mounted... >> >>> fsck it. if you have another machine in there, you can try to make a >>> serial console. or install a ip-kvm extender ;) >> >> I do have such thing (IBM Blade Center) but I'm looking for something to >> avoid the situation above. Something that lets me at least boot into >> single user mode. > > If you had access to the console (I'm guessing you did in order to use the > live CD), did you try booting into single-user from the beastie menu? Yes, I did, same issue, screen filled up with message above, after ~5 minutes kernel panic. > IME, failure to fsck the / menu should drop automatically to single-user > at the console, but if this fails, then you should be able to choose > single-user boot from the menu, which will then not try to run fsck or > mount / rw. From there you should be able to fsck and remount /, as well > as /home or anything else. This will fail if there is something horribly > wrong with /, causing a failure even when / is mounted ro, but then there > may be no good solution. There were only 2 or 3 inodes broken, fix from live CD ran smoothly. -- No Swen today, my love has gone away My mailbox stands for lorn, a symbol of the dawn
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