Re: SCP VS rsync+ssh

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------Original Message------
From: Dave Hall
Sender:
To: linux@slg.org
ReplyTo: linux@slg.org
Subject: Re: SCP VS rsync+ssh
Sent: Jun 30, 2008 3:57 PM

On Mon, Jun 30, 2008 at 03:27:02PM -0600, rob wrote:
> >From the stuff I had done moving 40->60gb pcap files scp seemed to fault
> and leave me hanging whereas rsynch via ssh didn't fail and if it does
> it picks up where it left off next time. Just wondering if there is some
> interaction with the IP stack thats different

Ah, yeah, that's a lot of data. I think I have an idea what's likely
happening.

The disc on the target probably can't write data as fast as data can
come over the network. rsync is probably more intellegent about
buffering compared to scp which is basically cp over SSH. If you watch
the kernel's buffer size, it will probably max out just before the
transfer dies.

--

Dave


--
I'm interested in upgrading my 28.8 kilobaud internet connection to a
1.5 megabit fiberoptic T1 line. Will you be able to provide an IP
router that's compatible with my token ring ethernet LAN configuration?

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Sent from my BlackBerry® wireless handheld
Received on Mon Jun 30 17:00:52 2008