[EMAIL PROTECTED] wrote:
I was using scp to copy several large (300-800mb) each files between two
Freebsd machines. Both are on the same hub, 100MB Ethernet connection.
The source box is FreeBSD 5.4 stable at a late October build date. The
target is running 6.0 stable at a current build date.
The first three files showed a transfer rate of about 3mb/sec and
transfer took about a 5-7 minutes for each file. After the third one
however the transfer rate dropped to 100-200 KB/sec. There was nothing
else going on in the internal network at the time.
scp can be surprisingly crap and slow. If the machines are both
internal try using ftp and see how that does. If that's slow too then
you have a problem :-) If it isn't slow, then try the ssh-hpn port
which, among other things, supports a -z flag to scp which turns off all
the encryption after the initial authentication.
It's also possible that one of the machines got loaded with something
else around the time of your slowdown and it couldn't keep up the the
encryption/description.
Other things to try:
1) repeat what you did and see if it happens again. If it doesn't,
then there was something going on the first time.
2) If it does happen again, try transferring the files individually,
inside a for loop perhaps, and see if the problem persists. If it does,
try ssh-hpn and see if that works better.
Hth,
--Alex
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