Re: [Bacula-users] Problems with Full and Differential

From: bacula-users-bounces AT lists.sourceforge DOT net [mailto:bacula-users-bounces AT lists.sourceforge DOT net] On Behalf Of Miguel Angel
Sent: Thursday, July 10, 2008 10:59 AM
To: Bacula-users
Subject: [Bacula-users] Problems with Full and Differential

Hi list,

I would like to apologize for my english!

I have a problem with the size of last backup differential of a user:

What I know, the differential backup is the diference of the files between the last full backup, but in this case a full was make at 9 am and the next differential at 1 pm .... but if you can see this differential have a size of 6.2 Gb

I saw that and is also impossible that has been modified a size like that!!

What is the problem?

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Are you backing something up that is a HUGE file and changes often? Something like a live MySQL database, a VMWare machine image, or the like? If it changes EVEN A LITTLE BIT, the whole thing will be tagged by Bacula as needing to be backed up.

For VMWare images, never back up the image itself. Always back up the OS inside the image just like you would back up any other client.

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