BackupPC-users

[BackupPC-users] Rsync on an image?

2009-11-16 15:49:01
Subject: [BackupPC-users] Rsync on an image?
From: Christian Völker <chrischan AT knebb DOT de>
To: "General list for user discussion, questions and support" <backuppc-users AT lists.sourceforge DOT net>
Date: Thu, 19 Nov 2009 12:42:04 +0100
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Hi,

[I know, you don't want to have this topic again, treat it as a collection]

has somebody tried to rsync a file system image?

As my BackupPC pool is too large for any backup programm (~600GB) to
follow all the hardlinks, I'm looking (As everyone here) for a better
solution.

Before I waste days on testing I want to ask how you perform you backups
of the pool.

So my question is how rsync handles large files? Let's say I have my
file system image of 600GB. I transfer it to the remote site by USB
disk. Now I create a new image from the pool and perform an rsync on
these files. Assuming 1GB has changed spread over the file- how many
data will rsync transfer? Will it start transferring from the first
mismatched bit? Or just transfer the changed data?

Thanks & Greetings.

Christian
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