FTP Backup "Rules and Regulations"

From:
http://hostingcontroller.com/english/support/manuals/rebuildxpress/rebuildxpress.htm

It is important to note that FTP option takes incremental backup to save precious bandwidth & CPU time. Incremental backup means that 1st time all data will be backedup and subsequently only the changed files will backup and FTP.

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Live Scenario:
I have a site with dynamic content (pictures) which change daily,
The rebuildExpress is set to do FTP backup daily at 3:00AM

please explain the backup process according to the following info;

If a site has ever changing pictures (something.jpg) type content, how does the rebuildExpress rebuild the data?

EX:
If I have a site.com/images folder with 30 images on Monday
--3:00am backup

Tuesday 10 images are deleted
--3:00am backup

Wendsday 15 images are added
--3:00am backup

Thursday 5 images are deleted
--3:00am backup

Friday 25 images are added
--3:00am backup

At the time of Fridays Nightly backup at 3:00am which pictures will be backed up?
If I do a restore, which pictures will end up in site.com/images

Thanks
Steve

Actually RBX takes incremental and differential backup on periodic basis. Let me give you brief explaination.

(Primary ServerA)30images added on Mon (Backup ServerB)Backup for 30images
(Primary ServerA)10images deleted on Tue (Backup ServerB)Backup for 20images
(Primary ServerA)15images added on Wed (Backup ServerB)Backup for 35images
(Primary ServerA) 5images deleted on Thu (Backup ServerB)Backup for 30images
(Primary ServerA)25images added on Thu (Backup ServerB)Backup for 55images

So RBX will take backup for 55 images.

Hi,

Thanks for the reply.
Question was answered.

:)