Dan Martin wrote:
On a Unix based system such as the Mac, should file level copies be adequate?
For the most part. Especially if you backup the partition tables too. I recommend rdiff-backup, it works great and can copy locally or to remote sites over ssh.
Any suggestions re how to make a clone of my boot drive would be appreciated.
Is clonezilla what your looking for?
"Clonezilla, <snip snip> allows you to do bare metal backup and recovery. "