FTP - Large file transfers (6.1)

Iassen Anadoliev korio at korio.org
Tue Jun 6 13:18:22 UTC 2006


On Tue, June 6, 2006 2:51 pm, David Samms wrote:
> I am having repeated FTP failures while transferring a 4G file across a
> LAN. Swapped out the switch, cables, and NIC's so don't believe hardware
> is involved.  Have tried the default FTP server as well as vsftp and
> pure-ftp with the same results.  NICs tested are em, sk, and rl.
>
> How to duplicate failure:  Take two 6.1 machines with a 100M lan or
> x-talk cable and try to FTP a DVD image.  The transfer fails around 90%
> of the time with
> 	"450 Error during write to data connection"
>
> We have a similar problem when using samba.  The failure is not as
> consistent but always occurs under heavy load.  Here is the error:
>
> [2006/06/04 22:20:02, 0] lib/util_sock.c:write_data(557)
>   write_data: write failure in writing to client 192.168.163.41. Error
> Host is down
>
> It appears, that the network connection on the server is being reset,
> but why?  And where or how do I find more information?
>


Can you look here:
http://docs.freebsd.org/cgi/getmsg.cgi?fetch=110247+0+archive/2006/freebsd-net/20060205.freebsd-net
The attached patch solved my problem. A temporary workaround was to use
ProFTPD.

-- 
WWell by
Iassen Anadoliev






More information about the freebsd-stable mailing list