On Ma, 30 nov 10, 15:39:15, Johannes Wiedersich wrote: > > > > 1. Is this setup possible and/or feasible? > > Probably yes, though I have never tried this. This would mean that your > disks ie. the raid has to be rebuild each time you reconnect the disks. > From my experience this is a rather time consuming. Are we talking minutes or hours? The current plan is to use the fastest 16GB SD card I can find.
> You also get a problem, if for some reason you modify both disks > independently. (Say you quickly edit some stuff on A while the second > disk is attached to B or unplugged). > > > 2. Where should I start? > > 3. Any other issues I haven't thought of (I have zero experience with > > RAID) > > I'd suggest using unison or some other application to keep both disks in > sync. unison is rather fast at syncing the disks and even has some > capabilities of merging (mainly usefull for text files) in case you > modify your files on both replicas in between two runs of unison. > > Effectively you will always have one 'offline' backup: either the > external disk (when working on the home laptop) or the laptop at home > (when working with the external disk). That was my thinking. Can unison be used for the entire system (not just some files under my /home)? ,---- | Unison is a user-level program: there is no need to modify the kernel or | to have superuser privileges on either host. `---- This seems to imply it can't. Regards, Andrei -- Offtopic discussions among Debian users and developers: http://lists.alioth.debian.org/mailman/listinfo/d-community-offtopic
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