From: mehta kiran <kiranmehta1981@yahoo.com>
Subject: Re: Stale handle error on RHEL4 (2.6.9-22.ELsmp)
Date: Thu, 16 Feb 2006 07:34:00 -0800 (PST)
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To: Trond Myklebust <trond.myklebust@fys.uio.no>
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Hi Trond,
  partitions /dev/sdi1 and /dev/sdi2 are=20
  seen by both the systems on which server
  can start and their major/minor numbers
  are same on both the systems.
  Sfter server fails over to other system,
  output of exportfs and mount looks the same.
  Should /export directory which is exported
  with fsid=3D0 be on shared disk as well ?
=20
thanks,
 kiran
 =20
 =20

--- Trond Myklebust <trond.myklebust@fys.uio.no>
wrote:

> On Thu, 2006-02-16 at 07:14 -0800, mehta kiran
> wrote:
> > Hi,
> >     When nfs(v4) server fails over from one system
> to=20
> >     other it gets stale handle error.
> >     All systems have RHEL4 installed (same kernel)
> >     uname -a  =3D 2.6.9-22.ELsmp #1 SMP=20
> >    =20
> >=20
> >     Details :
> >=20
> > [root@vcslinux118 bin]# mount
> > <---snip>
> > sunrpc on /var/lib/nfs/rpc_pipefs type rpc_pipefs
> (rw)
> > nfsd on /proc/fs/nfsd type nfsd (rw)
> > /dev/sdi2 on /dir2 type ext3 (rw)
> > /dev/sdi1 on /dir1 type ext3 (rw)
> > /dir2 on /export/exp2 type bind (rw,bind)
> > /dir1 on /export/exp1 type bind (rw,bind)
> > </---snip>
> >=20
> > [root@vcslinux118 bin]# exportfs -v
> > /export/exp1  =20
> > <world>(rw,wdelay,nohide,no_root_squash)
> > /export/exp2  =20
> > <world>(rw,wdelay,nohide,no_root_squash)
> > /export       =20
> > <world>(rw,wdelay,nohide,no_root_squash,fsid=3D0)
> > [root@vcslinux118 bin]# uname -a
> > Linux vcslinux118.vxindia.veritas.com
> 2.6.9-22.ELsmp
> > #1 SMP Mon Sep 19 18:00:54 EDT 2005 x86_64 x86_64
> > x86_64 GNU/Linux
> >=20
> > I have mounted this on client as=20
> > #mount -t nfs4 10.212.102.70:/ /kiran
> >=20
> > After failover i get stale handle error on client.
> > Is this a known issue ?
>=20
> It is expected, yes. Your failover system has to be
> a precise copy of
> the original filesystem. If the inode number differs
> for a given file or
> directory, then the filehandles will differ on the
> original system and
> the failover system, and so you will get ESTALE
> errors.
>=20
> Cheers,
>   Trond
>=20
>=20
>=20
>
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>=20


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