Re: Kernel NFS and solaris machines

Anders Hammarquist (iko@netg.se)
Wed, 5 Aug 1998 03:04:11 +0200


>So, it works great with Linux clients. I get ~800kb/sec read performance,
>which isn't quite what I would like but it's a start. Write performance is
>much worse.

If you export with the async option you get better write perfomance (at the
cost of possible data loss if the server crashes, anyone have a Prestoserve
for PCI?).

>However, mounts from Solaris hosts do not work at all. The Solaris side
>tells me:

[snip error messages]

>From the Sun side I can make the mount work by tossing in a '-o vers=2' to
>explicitly ask for an NFS v2 mount. This is *supposed* to happen by
>default, I'm not sure why it doesn't work that way..

Yes. Unfortunately the Linux mountd tells the Solaris client that we support
NFSv3. When the client goes ahead and tries talking NFSv3 with nfsd things
blow up.

>I assume that, at this point, NFS v3 isn't going to happen for 2.2. That's
>unfortunate, as Linux would be more readily accepted in large network
>environments with that feature. If only I had the time to work on it...

There were patches for NFSv3 support way back. I don't know how usable
they are now.

Regards,
/Anders

-- 
 -- Of course I'm crazy, but that doesn't mean I'm wrong.
Anders Hammarquist   |       Mud at Kingdoms        | iko@netg.se
NetGuide Scandinavia |   telnet kingdoms.se 1812    | Fax: +46 31 50 79 39
http://www.netg.se   |                              | Tel: +46 31 50 79 40

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