On Thu, Dec 22, 2011 at 10:03:01AM -0500, Albert Lee wrote:
> On Thu, Dec 22, 2011 at 9:58 AM, Albert Lee <[email protected]> wrote:
> > On Thu, Dec 22, 2011 at 6:59 AM, Kasper Brink <[email protected]> wrote:
> >> I'm testing a new fileserver running OI 151a, and I've run into a problem
> >> with an NFS4-mounted filesystem, on a Linux client, that stops responding.
(snip)
> > This is not a known issue for us, but might be related to resource
> > limitations in the NFSv4 server. Feel free to file a new bug. Can you
> > echo -e '::rfs4_db\n::rfs_client' | mdb -k before and after the test?
> >
> > -Albert
> 
> Sorry, I meant echo -e '::rfs4_db\n::rfs4_client' | mdb -k
> 
> -Albert

Hi Albert,

I've created an issue (#1927), and added the mdb output.
After the fs hangs, I see:

rfs4_database=ffffff01513b4db0
  debug_flags=00000000   shutdown:      count=0 tables=ffffff01513c66c0
------------------ Table ------------------- Bkt  ------- Indices -------
Address          Name          Flags    Cnt  Cnt  Pointer          Cnt  Max
ffffff01513c66c0 DelegStateID  00000000 0330 2047 ffffff014e6d3d00 0002 0002
ffffff01513c67a0 File          00000000 120906 2047 ffffff014dc6a940 0001 0001
ffffff01513c6880 Lockowner     00000000 0000 2047 ffffff014fbc9400 0002 0002
ffffff01513c6960 LockStateID   00000000 0000 2047 ffffff014e50fec0 0002 0002
ffffff01513c6a40 OpenStateID   00000000 121966 2047 ffffff014bfcc380 0003 0003
ffffff01513c6b20 OpenOwner     00000000 1048576 2047 ffffff0149d6fd00 0001 0001
ffffff01513c6c00 ClntIP        00000000 0000 2047 ffffff0149d6e440 0001 0001
ffffff01513c6ce0 Client        00000000 0001 2047 ffffff014e5af2c0 0002 0002
Address          dbe              clientid         confirm_verf     NCnfm unlnk
cp_confirmed     Last Access
ffffff01527e7770 ffffff01527e7708 664ef4771b 6600000000000000 False False
0                2011 Dec 23 15:02:41

During the workload, the "OpenOwner" count steadily increases, and as far as
I can tell it hangs exactly when it hits 1m entries. 

Kasper


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