Hi--
Janos Dohanics wrote:
I have a FreeBSD 4.11 machine which mounts a volume from a Netapp ONTap.
The FreeBSD machine also acts as a Samba PDC. The Samba volumes are in
the NFS-mounted volume. There are about a dozen Win2K workstations on
the network served by the Samba server.
Lately I have noticed that /var/log/messages is full with entries like:
... /kernel: nfs server filer01:/vol/vol0/psa: not responding
... /kernel: nfs server filer01:/vol/vol0/psa: is alive again
It seems that the server sometimes is unresponsive for less than a
second, many other times it's unresponsive for a number of seconds (as
many as 8 seconds).
In order to proceed, it would help to run a tcpdump between the NFS server and
this FreeBSD machine, and take a look at the packets just before one of these
errors is logged, and try to correlate with anything else in your logs (ie, a
particular Samba client did something or saw an error as a result).
Use something like:
tcpdump -w packet.dmp -s 0 host filer01 and host localhost
... and read via "tcpdump -r packet.dmp".
Note that Samba is going to be happier serving from local disks; it would be
better for the clients to mount against filer01 directly than to "forward" a
remote filesystem via this NFS->CIFS/SMB bridge...
--
-Chuck
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