On Fri, 19 Oct 2007, peterschmidt AT northwesternmutual DOT com wrote:

> All -
>
> We have an application with a unique backup/restore requirement.
>
> Simply, when a backup is taken - it must be a "true image" of the
> system. Subsequently, when a restore is performed, it must be an -exact-
> image of the restore - nothing "extra".
>
> In other words, any files on the target which do not belong, (which were
> not on the target at the time of the backup) cannot remain after the
> restore is performed.
>
> We looked at "TIR" - but there is a bold statement that says "extra"
> files are not removed - so this doesn't appear as though it will work
> for us.
>
> Here are specifics on the app:
>
> It's called "TeamSite", and the vendor has provided very stringent
> instructions (though no tool) as to how "to" and "not to" backup the
> data.
> One would issue a quiesce command "iwfreeze", take a full backup of the
> system, then issue the "iwfreeze -" to turn the app loose again.
>
> Other than wiping out the data prior to performing a restore from a full
> backup, we're at a loss to a "better" solution. It appears as though
> this application's DB will become "corrupt" if there are "extra" files,
> so it's critical that the system be recovered to the exact state it was
> at the time of queisce.
>
> Does anyone else have any experience with this application? If so - how
> have you worked around these requirements?
>
> Pete Schmidt
> Northwestern Mutual Life
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>

Almost sounds like you need to restore it elsewhere and then:

rsync -avu --delete my_restore_data 
destination_and_remove_all_files_that_exist

rsync should serve this exact purpose, not sure whether you could do this 
with netbackup though

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