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PBbackup - User Manual
7.2.1 Analyze Files Button
This button starts the analyzing process. The PBbackup
application makes a ZIP file of each of the folders inside the
backup directory and creates a MD5 hash of each archive.
Then it compares this hash with the MD5 hash from the last
backup and decides if the actual folder is new, was modified
or is exactly like it was at the last backup.
If the MD5 hash is different, the data of the actual folder will
be selected and included into the next backup. Otherwise it
will be excluded from the next backup.
The PBbackup tool will create a new backup archive from
each folder inside the backup directory (including all files and
sub-folders) like shown in the following example:
You can choose how many backup archives you want and
how big they will get. If you want more but smaller archives
just create more folders with less data in each of them. If you
want less but bigger archives just create less folders with
more data in each of them.
Remember: If you change only one file in one of the folders,
the whole archive of this folder has to be copied to the remote
host again, because individual files in the archives can not be
updated. Therefore it is not advisable to make just one big
backup archive with all data in it.
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