lkml.org 
[lkml]   [2003]   [Jan]   [30]   [last100]   RSS Feed
Views: [more markup]  [less markup]  [headers]  [forward] 
 
Messages in this thread
/
FromNeil Brown <>
DateThu, 30 Jan 2003 22:21:48 +1100
SubjectRe: 2.5.59 NFS server keeps local fs live after being stopped
On Wednesday January 29, mikpe@csd.uu.se wrote:
> Neil Brown writes:>  > On Wednesday January 29, mikpe@csd.uu.se wrote:>  > > Kernel 2.5.59. A local ext2 file system is mounted at $MNTPNT
>  > > and exported through NFS V3. A client mounts and unmounts it,
>  > > w/o any I/O in between. The NFS server is shut down. Nothing in
>  > > user-space refers to $MNTPNT.>  > > >  > > The bug is that $MNTPNT now can't be unmounted. umount fails with
>  > > "device is busy". A forced umount at shutdown fails with "device
>  > > or resource busy" and "illegal seek", and leaves the underlying
>  > > fs marked dirty.
>  > > 
>  > > I can't say exactly when this began, but the problem is present
>  > > in 2.5.59 and 2.5.55. 2.4.21-pre4 does not have this problem.>  > >  > How do you shut down the nfs server?> > /etc/rc.d/init.d/nfs stop> which basically does a kill on rpc.mountd, nfsd, and rpc.quotad
> (standard RH8.0 user-space)> > I've checked that all *nfs* processes are gone.> >  > Is anything in /proc/fs/nfs/export after the shutdown?> > Except for the two header lines, it's empty.

Ok, it defaintely sounds like a leak.  I'll be back at my desk on
Monday and I will try to reproduce it and explore the situation then.

NeilBrown
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 12:32    [from the cache]
©2003-2008