On 17.08.2012 16:07, Emil Payne wrote:

The suggestion of a blue ray drive and disk or a secondary drive sound
like a good one.

Hi Emil,

if you choose a second hard drive maybe you want to take a look at rsnapshot. It doesn't do compression, but it can also save you a lot of space if you want to keep several backups (keeping data for several days on a daily backup basis for example). rsnapshot uses hardlinks so that files that didn't change aren't saved again but every backup looks like a full backup.

Example:

452G    /backup/daily.0/
18G     /backup/daily.1/
534M    /backup/daily.2/
534M    /backup/daily.3/
532M    /backup/daily.4/
446M    /backup/daily.5/
444M    /backup/daily.6/
471G    total

daily.0 is a full backup from today. daily.1 contains changed files from yesterday, daily.2 the files from the day before yesterday, and so on. So I can go back 7 days without having to backup 450GB each day.

So you don't have to clean up your backup by hand but still there is some time to notice that some files gone lost on your machine.

Bye.


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