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Date:      Sat, 27 Aug 2011 21:29:37 +0200
From:      Leon =?iso-8859-15?Q?Me=DFner?= <l.messner@physik.tu-berlin.de>
To:        freebsd-questions@freebsd.org
Subject:   Re: NFSv4 directory listing issues.
Message-ID:  <20110827192937.GA48651@emmi.physik-pool.tu-berlin.de>
In-Reply-To: <20110822231152.GT48651@emmi.physik-pool.tu-berlin.de>
References:  <20110822231152.GT48651@emmi.physik-pool.tu-berlin.de>

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On Tue, Aug 23, 2011 at 01:11:52AM +0200, Leon Me▀ner wrote:
> Hi,
> 
> i'm just testing a kerberized NFSv4 export of a ZFS-Filesystem. Both
> client and server are FreeBSD at the moment. I tried Linux clients, but
> could not mount with sec=krb5. If i mount an exported directory with
> -o sec=krb5(i|p)i, directory listings with ls do sometimes take a very
> long time (about 20times). Example output below.
> 
> > time ls -la
> total 8
> drwxr-xr-x+ 3 root    wheel     4 Aug 16 13:27 .
> drwxr-xr-x  3 locadm  locadm  512 Aug 22 23:46 ..
> drwxr-xr-x+ 2 root    wheel     2 Aug 16 13:27 testdir
> -rw-r--r--  1 root    wheel     0 Aug 16 13:27 testfile
> 0.003u 0.003s 0:00.23 0.0%      0+0k 0+0io 0pf+0w
> > time ls -la
> total 8
> drwxr-xr-x+ 3 root    wheel     4 Aug 16 13:27 .
> drwxr-xr-x  3 locadm  locadm  512 Aug 22 23:46 ..
> drwxr-xr-x+ 2 root    wheel     2 Aug 16 13:27 testdir
> -rw-r--r--  1 root    wheel     0 Aug 16 13:27 testfile
> 0.000u 0.007s 0:04.27 0.0%      0+0k 0+0io 0pf+0w
> 
> The share is mounted by a local user with a kerberos ticket by 
> mount -t nfs -o nfsv4,sec=krb5 130.149.58.249:/home mount.
> Mounting with sec=sys does not produce this problem.
> Has anyone experienced similar issues ?

It looks like this could be related to kern/158432 [1] although i'm
using IPv4 and amd64. I can't test it at the moment because the
testmachine is temp. out of service but i got the same error messages in
my kdc's log file.

Greetings,
Leon

[1] http://www.freebsd.org/cgi/query-pr.cgi?pr=158432&cat=kern 



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