[lug] Remove files not owned by anyone.

[Paul Nowosielski]

On Wednesday 28 February 2007 16:03, steve at badcheese.com wrote:
> This is definitely a corrupt FS.  If this is your / partition and the
> machine is remote, I suggest marking the partition for an fsck, then
> rebooting and hoping that the initial fsck does the trick.  If there is
> major corruption, your machine probably won't come back after the reboot
> and you'll need to boot with knoppix or a suitable alternative and do a
> manual fsck on the partition.
>
> - Steve
>
> On Wed, 28 Feb 2007, Paul Nowosielski wrote:
> > Date: Wed, 28 Feb 2007 15:44:16 -0700
> > From: Paul Nowosielski <paul at celebrityaccess.com>
> > Reply-To: "Boulder (Colorado) Linux Users Group -- General Mailing List"
> >     <lug at lug.boulder.co.us>
> > To: "Boulder (Colorado) Linux Users Group -- General Mailing List"
> >     <lug at lug.boulder.co.us>
> > Subject: Re: [lug] Remove files not owned by anyone.
> >
> > On Wednesday 28 February 2007 15:40, bgiles at coyotesong.com wrote:
> >>> # ls -n
> >>> ls: cannot access courierimapuiddb: Permission denied
> >>> ls: cannot access maildirfolder: Permission denied
> >>> total 384
> >>> drwx------ 2 1001 59 389600 2007-02-24 01:29 courierimapkeywords
> >>> ?????????? ? ?    ?       ?                ? courierimapuiddb
> >>> drwx------ 2 1001 59   3128 2007-02-24 01:29 cur
> >>> ?????????? ? ?    ?       ?                ? maildirfolder
> >>> drwx------ 2 1001 59     48 2005-06-23 09:56 new
> >>> drwx------ 2 1001 59     48 2007-01-29 10:05 tmp
> >>>
> >>>
> >>>  # lsattr
> >>> lsattr: Inappropriate ioctl for device While reading flags on ./cur
> >>> lsattr: Inappropriate ioctl for device While reading flags on ./new
> >>> lsattr: Inappropriate ioctl for device While reading flags on ./tmp
> >>> ./courierimapuiddb: Permission denied
> >>> lsattr: Inappropriate ioctl for device While reading flags
> >>> on ./courierimapkeywords
> >>> ./maildirfolder: Permission denied
> >>
> >> The 'inappropriate ioctl' just means that the FS doesn't support
> >> extended attributes, so we can rule out the files being marked
> >> 'immutable' or anything.  I don't think this rules out ACLs, but we've
> >> eliminated one common cause for files being undeletable by root.
> >>
> >> I agree with the advice to fsck to verify that the FS isn't corrupted.
> >>
> >> Is this on the original or cloned system?  If the latter, what does it
> >> look like on the original system?
> >>
> >> It might also useful to verify the tar file, but I don't know tools for
> >> doing this.
> >>
> >> _______________________________________________
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> >
> > Ok,
> >
> > On the original FS the files are fine.
> >
> > EX:
> >
> > # ll /usr/local/virtual/jdeciantis\@celebrityaccess.com/.Trash/
> > total 388
> > drwx------    6 1001     maildrop      224 Jan 29 10:05 .
> > drwx------    9 1001     maildrop      344 Feb 27 18:12 ..
> > drwx------    2 1001     maildrop   389600 Jan 29 10:03
> > courierimapkeywords -rw-r--r--    1 1001     maildrop     2460 Jan 29
> > 10:05 courierimapuiddb drwx------    2 1001     maildrop     3128 Jan 29
> > 10:05 cur
> > -rwx------    1 1001     maildrop        0 Jun 23  2005 maildirfolder
> > drwx------    2 1001     maildrop       48 Jun 23  2005 new
> > drwx------    2 1001     maildrop       48 Jan 29 10:05 tmp
> >
> >
> > I can't seem to remount the FS readonly for fsck, I get this:
> >
> > # mount -r -o remount /
> > mount: / is busy
> >
> >
> > Is there a way around this? FYI: The machine is remote.
> >
> > Thanks for your help!
>
> EMAIL: (h) steve at badcheese.com  WEB: http://badcheese.com/~steve
>
> _______________________________________________
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Running fsck --rebuild-tree fixed the problem.
-- 
Paul Nowosielski
Webmaster CelebrityAccess.Com
office: 303.440.0666 ext 219
cel: 303.827.4257