Albert Chin wrote:
We have the following NFS server:
Sun X4100, 4GB RAM, OpenSolaris b66
and the following NFS clients:
HP-UX 10.20/PA, 11.00/PA, 11.11/PA, 11.23/PA, 11.23/IA
If I export a ZFS file system on the Solaris host, all HP-UX clients
can mount and read. The NFS mount options on the HP-UX clients are:
hard,intr,rw,bg,nosuid
If I _create_ a file and write to it from the HP-UX clients, no
problems. If I then append to the same file, the HP-UX client process
hangs:
hp-ux$ su
hp-ux# mount -o hard,intr,rw,bg,nosuid b66:/opt/tww /opt/tww
hp-ux# mount | grep /opt/tww
/opt/tww on b66:/opt/tww nosuid,rsize=32768,wsize=32768,NFSv3,dev=62000009 on
Tue Jun 19 17:55:38 2007
hp-ux$ echo a >/opt/tww/a
hp-ux$ echo a >/opt/tww/a
[hang]
hp-ux# mount -o hard,intr,rw,bg,nosuid,proto=udp b66:/opt/tww /opt/tww
hp-ux# mount | grep /opt/tww
/opt/tww on b66:/opt/tww
nosuid,rsize=32768,wsize=32768,proto=udp,NFSv3,dev=6200000a on Tue Jun 19
17:57:49 2007
hp-ux$ echo a >/opt/tww/a
hp-ux$ echo a >/opt/tww/a
[hang]
hp-ux# mount -o hard,intr,rw,bg,nosuid,vers=2 b66:/opt/tww /opt/tww
hp-ux# mount | grep /opt/tww
/opt/tww on b66:/opt/tww nosuid,dev=6200000b on Tue Jun 19 17:58:48 2007
hp-ux$ echo a >/opt/tww/a
hp-ux$ echo a >/opt/tww/a
So, I have to resort to NFSv2 on all HP-UX clients.
Running a snoop on the b66 server, with the HP-UX 11.23/IA client:
hp-ux$ echo a >/opt/tww/a
b66# snoop -d e1000g0 rpc nfs and host hp-ux
hp-ux -> b66 NFS C LOOKUP3 FH=25DC a
b66 -> hp-ux NFS R LOOKUP3 No such file or directory
hp-ux -> b66 NFS C LOOKUP3 FH=25DC a
b66 -> hp-ux NFS R LOOKUP3 No such file or directory
hp-ux -> b66 NFS C CREATE3 FH=25DC (UNCHECKED) a
b66 -> hp-ux NFS R CREATE3 OK FH=5EE1
hp-ux -> b66 NFS C WRITE3 FH=5EE1 at 0 for 2 (ASYNC)
b66 -> hp-ux NFS R WRITE3 OK 2 (ASYNC)
hp-ux -> b66 NFS C COMMIT3 FH=5EE1 at 0 for 32768
b66 -> hp-ux NFS R COMMIT3 OK
hp-ux$ echo a >/opt/tww/a
b66# snoop -d e1000g0 rpc nfs and host hp-ux
hp-ux -> b66 NFS C GETATTR3 FH=5EE1
b66 -> hp-ux NFS R GETATTR3 OK
hp-ux -> b66 NFS C GETATTR3 FH=5EE1
b66 -> hp-ux NFS R GETATTR3 OK
hp-ux -> b66 NFS C SETATTR3 FH=5EE1
b66 -> hp-ux NFS R SETATTR3 Update synch mismatch
hp-ux -> b66 NFS C GETATTR3 FH=5EE1
b66 -> hp-ux NFS R GETATTR3 OK
hp-ux -> b66 NFS C SETATTR3 FH=5EE1
b66 -> hp-ux NFS R SETATTR3 Update synch mismatch
hp-ux -> b66 NFS C GETATTR3 FH=5EE1
b66 -> hp-ux NFS R GETATTR3 OK
hp-ux -> b66 NFS C SETATTR3 FH=5EE1
b66 -> hp-ux NFS R SETATTR3 Update synch mismatch
hp-ux -> b66 NFS C GETATTR3 FH=5EE1
b66 -> hp-ux NFS R GETATTR3 OK
hp-ux -> b66 NFS C SETATTR3 FH=5EE1
b66 -> hp-ux NFS R SETATTR3 Update synch mismatch
...
You'll get more help on nfs-discuss. I'm pushing this over there and
leaving a BCC with opensolaris-help.
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