Re: Problems tranfering files over shell link (ssh).

[Pavel Machek <pavel suse cz>]

Hi!

> > I am using MC 4.6.0 on Mandrake 9.1. I do a lot of SSH file transfers,
> > but I do have a problem using MC for this when doing recursive
> > transfers, or transfers of more than one selected file at a time. What
> > happens in that the first file transfers fine, but the second doesn't
> > complete and MC hangs or comes with an error message about not being
> > able to chmod. Monitoring my IP traffic shows that the ssh connection
> > is being closed on the client side for some reason after the first
> > file. The strange thing is that this only happens with larger files
> > (over 1MB). A lot of smaller files transfers fine.
> >
> > I am not able to determine what's wrong, so help would be greatly
> > appreciated.
>
> dd on the remote size fails to read the whole block of data from ssh.
> That's why the block size was reduced in version 4.6.0, but it's still not
> enough.  Reducing the block size to 1 would cure the problem, but it would
> make the transfer very slow.  Since dd reads less data than it should, the
> rest of the data goes to the subshell, and it usually exits.

Perhaps bug in debian schould be filled?

We should do bs=1; data going to shell
by mistake seems extremely dangerous to me. 

> Actually, dd is a bad choice for the remote command because it ignores
> incomplete reads, but there is no other widespread utility that would read
> a certain amount of data and then stop.  I hope I'm missing something, but
> I asked in the mc-devel mailing list and nobody could come with anything
> better than dd.


head -c ?

-- 
                                Pavel
Written on sharp zaurus, because my Velo1 broke. If you have Velo you don't need...