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Re: [Duplicity-talk] duplicity and deleted files

From: Steven Willoughby
Subject: Re: [Duplicity-talk] duplicity and deleted files
Date: Thu, 22 Feb 2007 23:32:38 -0700
User-agent: Thunderbird (X11/20070102)

Martin Kaffanke wrote:
Hi there!

I'm using duplicity to backup server data to a second hard disk which is
built in into the server.

There is one question:  How does duplicity deal with deleted files?
What if a user deletes his own files, then the nightly duplicity run
works and the day after he checks that he would like to have that files
back.  Is that possible?

Yes. The first time that duplicity is run it creates a "full" backup of all the data. The second time it is run it will create a partial or "incremental" backup, which only includes the parts of the files that have changed. If a file is deleted and then duplicity runs, it will merely record the fact that it was deleted.

And a second Question:  How do we check if my two harddisks work
correctly?  Will that be checked automatically somehow or do I also have
to run fsck every night (which needs fs to be mountet readonly I think)?

There are a couple of ways to check a physical disk while it is otherwise in use. One method is with SMART. You need the tool called smartctl (in debian it is in the smartmontools package) and your hard drives need to support SMART.

If you are using LVM and have enough free space available, you should be about to create a snapshot and run fsck on it.


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