Date: Wed, 8 Apr 2009 17:06:59 +0200 (CEST) From: Oliver Fromme <olli@lurza.secnetix.de> To: freebsd-questions@FreeBSD.ORG, steve@ibctech.ca Subject: Re: Copying files without scp Message-ID: <200904081506.n38F6xJ0078569@lurza.secnetix.de> In-Reply-To: <49DBDE27.4010300@ibctech.ca>
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Steve Bertrand wrote: > To copy data from one server, I normally (always) use scp. > > I'm looking for a method to perform this copy task without the overhead > of encryption for infrequent, high-volume transfers (hundreds to > thousands of GB). > > The data will be transferred server-to-server within a private datacentre. There are quite a lot of ways to do that. You could NFS-export then files and then use a tool to copy them on the other box locally (tar, cpio, cpdup, whatever). You could run an FTP server and then use one of the various FTP mirror tools to copy the files (e.g. ports/ftp/omi). You could use plain old rcp. You could apply this (trivial) patch that adds support for cipher "none" in ssh and scp: http://www.secnetix.de/olli/FreeBSD/patches/openssh-cipher-none The advantage of using scp (with "-c none") is that you can use all of the ssh features, such as key authentication, server aliases (via ~/.ssh/config) etc. You can also use other file copy tools (such as cpdup) that can be tunneled through ssh. Best regards Oliver -- Oliver Fromme, secnetix GmbH & Co. KG, Marktplatz 29, 85567 Grafing b. M. Handelsregister: Registergericht Muenchen, HRA 74606, Geschäftsfuehrung: secnetix Verwaltungsgesellsch. mbH, Handelsregister: Registergericht Mün- chen, HRB 125758, Geschäftsführer: Maik Bachmann, Olaf Erb, Ralf Gebhart FreeBSD-Dienstleistungen, -Produkte und mehr: http://www.secnetix.de/bsd "IRIX is about as stable as a one-legged drunk with hypothermia in a four-hundred mile per hour wind, balancing on a banana peel on a greased cookie sheet -- when someone throws him an elephant with bad breath and a worse temper." -- Ralf Hildebrandt
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