Originally Posted by joe.pelayo
I guess it "does not mind" how many partitions/file systems the machine has, does it?
The smartmontools commands are directed at a device. The firmware in that device is what actually does the analysis and reporting, and as such is completely unaware of partition tables, partitions, file systems, etc.
Realize many USB bridge chipsets suck, and don't pass through ATA commands needed for SMART and Secure Erase. So it's possible the external disk can't be monitored.
I also find the "mirroring" option quite interesting, so I'll see how to implement it.
rsync can do incremental syncs, sending only changed files. If your data files are large, you might look at rdiff which can find only what's changed in the files, and sends delta files to the other computer, which will save quite a bit on bandwidth consumption. If that's even a concern.
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