[ILUG] x10-like controller of an external drive

[Brendan Kehoe]

I've got an external disk which I've found myself using more and more as 
backup storage.  Using rsync to mirror my home directory, my Maildir, 
and specific files off other systems.  But, the habit is hard to 
maintain because I have to turn it on to do it; using it so rarely, I 
don't want to leave it turned on and spinning all the time for no real 
reason.

Are there any handy network-connected controllers you guys use which 
would let me do a Wake-on-LAN type of deal with it as part of the backup 
script?  And, likewise, a way to sync, unmount, and then turn it back 
off when all the backups are done?

Thanks,
B