(OT) Backup Software Suggestions

[Matt Graham]

On 2017-01-26 17:05, Eric Oyen wrote:
> why not just use dd and a sufficiently large backup device connected
> directly to the machine? [...] Basically, I just image the entire
> device. It's easier to restore that way.

dd is usually not a good way to back things up because of speed.  "dd 
if=/dev/mapper/vg-home of=/dev/disk/by-id/usb-123456 bs=1M" would take 
90 minutes every time it ran because it's transferring 300ishG.  "rsync 
-av --delete-after /home/ /mnt/backup1/home/" usually takes 2-5 minutes 
because it's only transferring the files that have changed, which is 
usually 150-500M or so.

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