[lug] Automated USB Drive Backup

[karl horlen]

> I use a system somewhat like you are describing: 1
> offsite
> usb disk, one local usb for backup. Each with a full
> copy
> of selected file systems.
> 
> You may find this kind of command useful:
> 
> rsync -v --archive --stats --delete --backup
> 
>
--backup-dir=/backup/history/fileserv/20071026/photo1
>  /photo1/ /backup/fileserv/photo1/
> 
> By keeping per-day backup trees you get poor-mans
> versioning
> of file changes (only one version per day). For our
> systems
> we see from 12M to 2,000M deltas (big ones when a
> photo card
> is uploaded).

So your deltas are not really deltas.  They are
actually mirroring the entire tree every backup cycle?

> My little backup system generates the rsync commands
> as well as creating the history dirs for each date;
> and
> removing history days over 30 days old. Runs once a
> night
> at approx 3:00AM with no manual intervention. Don't
> have
> to fiddle with mount/unmount events as the
> usb-connected
> backup disk is always plugged in. I do the offsite/
> connected drive swap during the day and don't worry
> about auto-handling drive mount/unmount.

A late night or early morning job is exactly where I'm
heading with the scripts because it simplifies the
entire process.  I still would like know how to do the
"hotplug" automount unmount capability because it
would be pretty cool which is why I asked.

Practicality will override though. :-)



__________________________________________________
Do You Yahoo!?
Tired of spam?  Yahoo! Mail has the best spam protection around 
http://mail.yahoo.com