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them individually, and then choose File > New > Container and add
each synchronizer to the list. You can then run all the synchronizers
in one pass, and even schedule the entire container to run at a
predetermined time.
Dissect away: ChronoSync can optionally look inside a package
(a special folder that acts like a file) when performing a sync, so
that if just some of the contents have changed, only those items are
copied. This is crucial for things like your iPhoto library, because
without using this feature, the entire library must be copied if even
a single photo is added or changed. For reasons that are unclear
to me, this feature is turned off by default, and you must re-enable
it manually whenever you create a new synchronizer. To do so, click
Options; choose Custom from the pop-up menu under “Special File/
Folder Handling”; and then check Dissect Packages.
Use archives for versioned backups: To create a synchronizer
that produces versioned backups, choose Backup (either Left-to-
Right or Right-to-Left, depending on your setup) from the
Operation pop-up menu and check the Archive Replaced Files box.
Then click Options, and in the “Archive Handling” section, select
the options you want (such as how many copies of each file to keep
and when to purge older versions).
Get a good agent: ChronoSync, by itself, can back up the Mac
it's on, and it can optionally use mounted network volumes as the
source or destination. However, to back up to or from another Mac
on your network with administrative privileges, keeping ownership
and permissions intact—crucial for, among other things, creating
a bootable duplicate over the network—you must install the $10
add-on program ChronoAgent on the other Mac.
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