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Re: [rdiff-backup-users] rdiff-backup streaming?

From: Eric Wheeler
Subject: Re: [rdiff-backup-users] rdiff-backup streaming?
Date: Fri, 18 Feb 2011 12:58:06 -0800

On Thu, 2011-02-17 at 10:41 -0700, Mark Price wrote:

> What I am wondering is if rdiff-backup does all of these things in one
> read/write file pass in a streaming manner, or if it simply calls to
> the standard rdiff.exe (which isn't working for us)?  I didn't quite
> see information concerning this in the docs or wiki.  We have
> considered using xdelta (because it operates in a streaming manner)
> but the problem with xdelta is that it stores double copies of the
> deltas and kills storage space.  Any help on this matter would be
> great!

rdiff-backup is a great tool and hides much of the accounting you  would
keep using rdiff, and while it does use temporary files under the hood,
this is transparent to the user.

What type of file do you use rdiff-backup for?  
Replicating real files, or block devices?

Incidentally, I wrote a blog entry the other day about streaming using
rdiff, ssh, and stdio pipes that you might find useful:


Eric Wheeler
eWheeler, Inc.
  dba Global Linux Security

PO Box 14707
Portland, OR 97293

> Thanks,
> Mark Price
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