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Re: [rdiff-backup-users] Easy Way to Find Lost Files ?
From: |
Chris Wilson |
Subject: |
Re: [rdiff-backup-users] Easy Way to Find Lost Files ? |
Date: |
Sat, 17 Jan 2009 23:18:29 +0000 (GMT) |
Hi Andrew,
On Sat, 17 Jan 2009, Andrew Ferguson wrote:
The reason it hasn't been implemented is that it would require either
figuring out how much space is needed beforehand (which requires
scanning the whole source repository in advance, something which
rdiff-backup is currently not setup for; however implementing that
functionality would allow various other requested features to be
developed), or rdiff-backup would have to detect that out-of-disk-space
event, reverse the current session, delete an increment, and start over
(that, of course, hits a horrible case when the current backup wants to
add a, say, 40GB file, and deleting each increment only frees a few MB
or so).
Surely it's possible to delete an old increment without reversing the
entire backup in progress? As I understand it, a backup creates a new
increment, it doesn't touch any of the existing ones, therefore it should
be perfectly safe to delete any increment except the one currently being
created, while the backup is running. At worst, we'd have to restart the
backup of the current file, if the out of space error left the binary diff
file hopelessly corrupted.
Cheers, Chris.
--
_____ __ _
\ __/ / ,__(_)_ | Chris Wilson <0000 at qwirx.com> - Cambs UK |
/ (_/ ,\/ _/ /_ \ | Security/C/C++/Java/Ruby/Perl/SQL Developer |
\__/_/_/_//_/___/ | We are GNU : free your mind & your software |
Re: [rdiff-backup-users] Easy Way to Find Lost Files ?, Andrew Ferguson, 2009/01/17