smbfs/cifs mounts in fstab causing ethernet interface lockups
Jeff Layton
jlayton at samba.org
Fri Oct 29 11:03:30 MDT 2010
On Fri, 29 Oct 2010 12:52:19 -0400
"Edsall, William (WJ) " <WJEdsall at dow.com> wrote:
>
> > Hello samba list,
> > I'm experiencing a strange issue with smbfs mounts. Please help me
> > troubleshoot this as it is locking up some of our servers.
> >
> > I have the following mount in fstab:
> > //servername/remote_folder /local_folder cifs username=<user
> > here>,password=<pass here>uid=12427,gid=4400 0 0
> >
> > The purpose is to mount a remote directory for a custom application.
> > Smbfs mounts were chosen for a specific reason over NFS mountss.
> >
> > What's happening is, every so often due to unknown circumstances, this
> > mount will become unavailable and will entirely lock-up the ethernet
> > interface using it. For our clusters it's the public interface -- the
> > private will still be available.
> >
> > After a lazy unmount of the smbfs mount, the interface is immediately
> > available.
> >
> > How can I make this mount more friendly so that these lock ups can be
> > prevented?
> >
> >
> > I'm not sure if this dmesg is from the forementioned problem, but I'll
> > provide it just in case:
> > CIFS VFS: No response to cmd 115 mid 15
> > CIFS VFS: Send error in SessSetup = -11
> > CIFS VFS: No response to cmd 115 mid 17
> > CIFS VFS: Send error in SessSetup = -11
> >
> >
> > Thanks ahead of time for your assistance!
> >
Kernel version?
--
Jeff Layton <jlayton at samba.org>
More information about the samba-technical
mailing list