Date: Fri, 23 Jun 2006 21:31:40 -0500 From: Dan Nelson <dnelson@allantgroup.com> To: Nikolas Britton <nikolas.britton@gmail.com> Cc: FreeBSD Mailing List <freebsd-questions@freebsd.org> Subject: Re: help with 'tar|rsh tar' Message-ID: <20060624023139.GA83209@dan.emsphone.com> In-Reply-To: <ef10de9a0606231834w4e286e90u4027ff6f0835131c@mail.gmail.com> References: <ef10de9a0606231834w4e286e90u4027ff6f0835131c@mail.gmail.com>
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In the last episode (Jun 23), Nikolas Britton said: > I need to backup the /data directory on hostA to /data on hostB, > about 1TB of data on a gigabit link. Right now I'm using scp but the > handshake latency and ssh overhead is killing me. > > I've looked at many examples of tar|rsh tar and I can't figure it out, > most of the examples on the net look like this: > # tar cf - . | rsh hostname dd of=tape-device obs=20b > # tar -cf -...|rsh ...tar xf -... Two quick options even more lightweight than rsh are netcat (base system) and ttcp (in ports). Usage examples: host2$ ttcp -r | tar xvf - host1$ tar cf - . | ttcp -t host2 host2$ nc -l 1234 | tar xvf - host1$ tar cf - . | nc host2 1234 -- Dan Nelson dnelson@allantgroup.com
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