[ale] Mirroring drives without RAID

[Jim Kinney]

Software raid will do the job best. You'll need some scripting to support
dropping a drive then re-adding it on both machines.

That said, cron and rsync will do excellent as well. Script up a tool that
keeps the mobile drive unmounted except during the sync. That way the sync
won't run and dump into a mount point when the drive is in the other
machine.
On Feb 14, 2015 8:29 AM, "Alex Carver" <agcarver+ale at acarver.net> wrote:

> Got an unusual question from someone at work.  He wants to set up a pair
> of drives to store test data which is usually of significant volume
> (several tens of GBs per test).
>
> He doesn't want to use RAID so that any single drive can be plugged into
> any other computer to mount and recover the data directly.
>
> The first thought was just a daily cron job rsyncing the two drives but
> I wanted to ask if there was some kind of solution that faked a mirrored
> RAID onto two drives where each drive is just a standard
> partition/volume set (i.e. it's composed only of ext2/3/4 partitions and
> not a RAID partition/volume)?
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