[OmniOS-discuss] nfs problems linux (client) illumos (server)

Lionel Cons lionelcons1972 at gmail.com
Tue Oct 15 12:51:32 UTC 2013


On 14 October 2013 08:29, Tobias Oetiker <tobi at oetiker.ch> wrote:
> Folks,
>
> I have this nfs client (ubunty 3.5 kernel) which seems to have
> issues talking to our omnios server.  In the example below the
> client does not seem to get an answer to his ACCESS3 call from
> 08:19:48.43 and starts retransmitting.  It does not seem as if
> packets got lost ...  Does this pattern ring a bell?
>
> (as seen from the omnios server)
>
> 8:19:42.11355   10.10.10.2 -> 10.10.10.1   NFS C ACCESS3 FH=1F8F (read,lookup,modify,extend,delete)
> 8:19:42.11358   10.10.10.1 -> 10.10.10.2   NFS R ACCESS3 OK (read,lookup,modify,extend,delete)
> 8:19:42.11372   10.10.10.2 -> 10.10.10.1   NFS C ACCESS3 FH=8B8A (read,lookup,modify,extend,delete)
> 8:19:42.11387   10.10.10.1 -> 10.10.10.2   NFS R ACCESS3 OK (read,lookup,modify,extend,delete)
> 8:19:42.15340   10.10.10.2 -> 10.10.10.1   TCP D=2049 S=822 Ack=3569055649 Seq=330388801 Len=0 Win=20638 Options=<nop,nop,tstamp 3449855200 396193080>
> 8:19:42.65429   10.10.10.2 -> 10.10.10.1   NFS C GETATTR3 FH=1391
> 8:19:42.65493   10.10.10.1 -> 10.10.10.2   NFS R GETATTR3 OK
> 8:19:42.65507   10.10.10.2 -> 10.10.10.1   TCP D=2049 S=822 Ack=3569055765 Seq=330388917 Len=0 Win=20638 Options=<nop,nop,tstamp 3449855325 396193134>
> 8:19:48.43236   10.10.10.2 -> 10.10.10.1   NFS C ACCESS3 FH=8B45 (read,lookup,modify,extend,delete)
> 8:19:48.49820   10.10.10.1 -> 10.10.10.2   TCP D=822 S=2049 Ack=330389029 Seq=3569055765 Len=0 Win=32806 Options=<nop,nop,tstamp 396193719 3449856769>
> 8:19:49.12947   10.10.10.2 -> 10.10.10.1   NFS C ACCESS3 FH=8B45 (read,lookup,modify,extend,delete) (retransmit)
> 8:19:49.19819   10.10.10.1 -> 10.10.10.2   TCP D=822 S=2049 Ack=330389141 Seq=3569055765 Len=0 Win=32806 Options=<nop,nop,tstamp 396193789 3449856944>
> 8:19:50.53345   10.10.10.2 -> 10.10.10.1   NFS C ACCESS3 FH=8B45 (read,lookup,modify,extend,delete) (retransmit)
> 8:19:50.59817   10.10.10.1 -> 10.10.10.2   TCP D=822 S=2049 Ack=330389253 Seq=3569055765 Len=0 Win=32806 Options=<nop,nop,tstamp 396193929 3449857295>
> 8:19:52.64147   10.10.10.2 -> 10.10.10.1   NFS C ACCESS3 FH=8B45 (read,lookup,modify,extend,delete) (retransmit)
> 8:19:52.70810   10.10.10.1 -> 10.10.10.2   TCP D=822 S=2049 Ack=330389365 Seq=3569055765 Len=0 Win=32806 Options=<nop,nop,tstamp 396194140 3449857822>
> 8:19:53.50200   10.10.10.2 -> 10.10.10.1   NFS C GETATTR3 FH=08CA
> 8:19:53.56808   10.10.10.1 -> 10.10.10.2   TCP D=822 S=2049 Ack=330389477 Seq=3569055765 Len=0 Win=32806 Options=<nop,nop,tstamp 396194226 3449858037>
>
> (as seeen from the ubuntu linux 3.5 client)
>
> 08:19:42.113444   10.10.10.2 -> 10.10.10.1   NFS 186 V3 ACCESS Call, FH:0xbff47443, [Check: RD LU MD XT DL]
> 08:19:42.113512   10.10.10.1 -> 10.10.10.2   NFS 190 V3 ACCESS Reply (Call In 86), [Allowed: RD LU MD XT DL]
> 08:19:42.113620   10.10.10.2 -> 10.10.10.1   NFS 186 V3 ACCESS Call, FH:0x312c9eb9, [Check: RD LU MD XT DL]
> 08:19:42.113804   10.10.10.1 -> 10.10.10.2   NFS 190 V3 ACCESS Reply (Call In 88), [Allowed: RD LU MD XT DL]
> 08:19:42.153301   10.10.10.2 -> 10.10.10.1   TCP 66 822 > nfs [ACK] Seq=7121 Ack=4485 Win=20638 Len=0 TSval=3449855200 TSecr=396193080
> 08:19:42.654182   10.10.10.2 -> 10.10.10.1   NFS 182 V3 GETATTR Call, FH:0x7b7d2a4e
> 08:19:42.654932   10.10.10.1 -> 10.10.10.2   NFS 182 V3 GETATTR Reply (Call In 91)  Regular File mode:0644 uid:0 gid:0
> 08:19:42.654979   10.10.10.2 -> 10.10.10.1   TCP 66 822 > nfs [ACK] Seq=7237 Ack=4601 Win=20638 Len=0 TSval=3449855325 TSecr=396193134
> 08:19:48.432250   10.10.10.2 -> 10.10.10.1   NFS 178 V3 ACCESS Call, FH:0x505b4bee, [Check: RD LU MD XT DL]
> 08:19:48.498217   10.10.10.1 -> 10.10.10.2   TCP 66 nfs > 822 [ACK] Seq=4601 Ack=7349 Win=32806 Len=0 TSval=396193719 TSecr=3449856769
> 08:19:49.129364   10.10.10.2 -> 10.10.10.1   NFS 178 [RPC retransmission of #94]V3 ACCESS Call, FH:0x505b4bee, [Check: RD LU MD XT DL]
> 08:19:49.198215   10.10.10.1 -> 10.10.10.2   TCP 66 nfs > 822 [ACK] Seq=4601 Ack=7461 Win=32806 Len=0 TSval=396193789 TSecr=3449856944
> 08:19:50.533336   10.10.10.2 -> 10.10.10.1   NFS 178 [RPC retransmission of #94]V3 ACCESS Call, FH:0x505b4bee, [Check: RD LU MD XT DL]
> 08:19:50.598191   10.10.10.1 -> 10.10.10.2   TCP 66 nfs > 822 [ACK] Seq=4601 Ack=7573 Win=32806 Len=0 TSval=396193929 TSecr=3449857295
> 08:19:52.641348   10.10.10.2 -> 10.10.10.1   NFS 178 [RPC retransmission of #94]V3 ACCESS Call, FH:0x505b4bee, [Check: RD LU MD XT DL]
> 08:19:52.708091   10.10.10.1 -> 10.10.10.2   TCP 66 nfs > 822 [ACK] Seq=4601 Ack=7685 Win=32806 Len=0 TSval=396194140 TSecr=3449857822
> 08:19:53.501892   10.10.10.2 -> 10.10.10.1   NFS 178 V3 GETATTR Call, FH:0x8a584406
> 08:19:53.568104   10.10.10.1 -> 10.10.10.2   TCP 66 nfs > 822 [ACK] Seq=4601 Ack=7797 Win=32806 Len=0 TSval=396194226 TSecr=3449858037

Tobias, please send all NFS issues to the Illumos developer (Illumos's
equivalent of the Linux kernel.org lists) list because the NFS
developers are concentrated there.

Lionel


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