[Info-vax] Slow NFS VMS server Linux client
Michael Kraemer
M.Kraemer at gsi.de
Fri Nov 27 03:40:46 EST 2009
JF Mezei schrieb:
> uruguru wrote:
>
>>Hi folks
>>
>>I have installed NFS but get bad performance.
>
>
> I know this is an old thread.
>
> The parameters I had given to the OP had made a difference to me, but
> now, I am realising that the difference was in pulling up a list of
> files in a directory. (aka: when on the Mac,s Finder, you click on a
> folder, how long it takes for the filenames to appear in it).
>
> Right now, I am copying entire user directory structure and it is
> painfully slow. (aka: unix/Mac readuing files stored on the VMS system.)
>
>
> Perhaps it is the cp -R command which is using nfs resources
> inefficiently. (perhaps it does byte by byte read/writes ?)
For bulk transfer between fileservers/filesystems I'd use "rsync".
With proper switches it reduces the number of bytes transferred
by compression and also acts like "make" by inspecting file dates
and only transmits "newer" files.
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