[Info-vax] Mounting NFS disk with /DATA non-default parameters

Sum1 not at here.com
Fri Jan 11 01:08:00 EST 2013


> tcpip sho ver

  HP TCP/IP Services for OpenVMS Alpha Version V5.6
  on an AlphaServer DS10L 466 MHz running OpenVMS V8.3

Doing a TCPIP MOUNT blah will give a default read/write size of 8192 
according to TCPIP HELP MOUNT /DATA.  If I want to increase the size of 
the chunks transmitted, I expect that I can issue a TCPIP MOUNT/DATA=X, 
where X is some multiple of 512.  If I did /DATA=16384, I expect that I 
will be transferring 16k chunks.

The server and VMS client are connected on a Gigabit switch, the VMS 
client is connecting at 100Mbit/Full (according to LANCP) with a buffer 
size of 1500.

Will changing NFS data size provide an improvement in transfer speeds?  
The NFS Server is happy for me to vary the data size….

Cheers




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