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Conference smurf::nfs

Title:SunNet - the defacto distributed system standard
Moderator:CVG::PETTENGILL
Created:Mon Jun 02 1986
Last Modified:Fri May 16 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:479
Total number of notes:1270

477.0. "AlphaServer/PC-NFS problems?" by ALLVAX::STAATS (T is for Todd) Tue Apr 22 1997 14:48

    Hi, 
    
    A customer of ours asked the following questions - I'm not familar
    with NFS 3.0, but a Intergraph's new DiskAccess software (it's a 
    replacement for a PC-NFS client software which runs on Intel and
    Alpha NT systems) exhibits the following problem with an 
    Alphaserver 4000.
    
    Any help would be appreciated - should I post this in the DIGITAL
    Unix conference?
    
    todd///
    
>
>Quick question,  Does a DEC APLHAServer 4000 with DIGITAL UNIX 4.0 support
>version 3 NFS.
>
>If so, Why can't a DEC Alpha client running DISKAcess mount a the server
>and write faster than 8K?  According to Intergraph I should be able to
>write as fast as 64K?
>
>
T.RTitleUserPersonal
Name		DateLines
477.1Re: AlphaServer/PC-NFS problems?QUABBI::"werme@zk3.dec.com"Tue Apr 22 1997 19:5634
staats@allvax.enet.dec.com (T is for Todd) writes:

>Title: AlphaServer/PC-NFS problems?
>    A customer of ours asked the following questions - I'm not familar
>    with NFS 3.0,

First, there's no NFS V3.0 - ONC RPC protocols don't have a minor version.
There's NFS V2 and NFS V3.  Period.  (Well, no period either!)


>>Quick question,  Does a DEC APLHAServer 4000 with DIGITAL UNIX 4.0 support
>>version 3 NFS.

DEC was the first vendor to ship NFS V3.  All releases from V3.0 on support
V3.  NFS over TCP arrived in V4.0.

>>If so, Why can't a DEC Alpha client running DISKAcess mount a the server
>>and write faster than 8K?  According to Intergraph I should be able to
>>write as fast as 64K?

Your units are thoroughly confused.  If you mean 8KB/second, that's slow.
If you mean 8KB per WRITE, that's what we do (the server will support 32 KB
in V4.2, the client still only 8KB).

From the Intergraph WWW pages I can't tell what version they use, and I
can't tell if they use unstable writes and COMMITs (that give NFS V3 a
big write performance boost over V2)

tcpdump, tcpdump, tcpdump!  See the Dunix FAQ or
http://www.zk3.dec.com/~werme/support.html
-- 
  <>    Eric (Ric) Werme   <>      This space under reconstruction       <>
  <>  <werme@zk3.dec.com>  <>                                            <>
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