Re: pNFS timeouts

[Lukas Hejtmanek <xhejtman@ics.muni.cz>]

Hi,

On Mon, Jun 14, 2010 at 10:11:30AM -0400, Benny Halevy wrote:
> I'm not sure if that explains the 15 seconds delay.
> I wonder if it could be related to the nfsv4 grace period.
> Does this happen if you wait for a couple minutes after
> the server restarts before starting the test?

I repeated the test after approx. 6 hours the server was restarted and =
it is
the same, the delay still happens.=20

But it could be something related, it complains about lease renewal:

Jun 14 16:17:00 undomiel1 kernel: [187434.936220] nfs4_renew_state: don=
e
Jun 14 16:17:00 undomiel1 kernel: [187434.936492] nfs41_sequence_done: =
Error 0 free the slot
Jun 14 16:17:00 undomiel1 kernel: [187434.936500] nfs4_free_slot: free_=
slotid 0 highest_used_slotid -1
Jun 14 16:17:00 undomiel1 kernel: [187434.936507] nfs41_sequence_call_d=
one rpc_cred ffff88003d7a0300
Jun 14 16:17:00 undomiel1 kernel: [187434.936514] <-- nfs41_sequence_ca=
ll_done
Jun 14 16:17:00 undomiel1 kernel: [187434.936522] nfs4_schedule_state_r=
enewal: requeueing work. Lease period =3D 60
Jun 14 16:17:00 undomiel1 kernel: [187434.936530] --> nfs_put_client({2=
})
Jun 14 16:17:16 undomiel1 kernel: [187450.536014] nfs4_renew_state: sta=
rt
Jun 14 16:17:16 undomiel1 kernel: [187450.536045] nfs4_renew_state: fai=
led to call renewd. Reason: lease not expired
Jun 14 16:17:16 undomiel1 kernel: [187450.536056] nfs4_schedule_state_r=
enewal: requeueing work. Lease period =3D 38

The full log can be found at:
http://undomiel.ics.muni.cz/tmp/nfs-log.txt

--=20
Luk=E1=B9 Hejtm=E1nek