So you have to procedurally "quiesce" the system FS to avoid race conditions. Given that, what's the difference between snapshotting one FS or 3,4,5,etc?
The only reliable way to manage the system is to use the package manager to undo the changes as it currently does. And if this is not possible, because the system won't run the package manager. Shame the sys admin who broke it for being so careless.
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