NFS client performance against MS SFU 3.5 NFS Server

Kevin Kinsey kdk at daleco.biz
Thu Sep 8 21:04:36 PDT 2005


Tom Pepper wrote:

> All:
>
> Anyone having any good fortune with performance of NFS shares
> in a  current 5-STABLE against Windows 2003 Services For Unix 3.5
> server?   I'm able to, with some pretty extreme tuning, get as much
> as 1MB/sec  out of a 100Mbps link, but I'm able to FTP to and from
> the same host  at 8-10MB/sec.  I've tried different send/receive windows,
> NFSv2,  NFSv3, forcing TCP/UDP, and setting the tcp windows to some
> pretty  outrageous sizes.  None of the above really seems to net me 
> performance above 500-600kB/sec (testing via rsync --progress -av /
> local/dir /mnt/nfsshare).
>
> mount_smbfs is also incapable of going beyond 1MB/sec in a similar 
> arrangement.  Why on earth is performance sucking so bad?
>
> Thanks,
> -t



I have similar secret doubts, but I've not gone to the lengths
that you have, and I've not tested against Win2k3 server.

One question:  is there any chance it is an rsync problem?

Kevin Kinsey


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