Redundancy

[Jack Brindle]

There may be another way. Create another (hard) partition on the Mac’s drive, and install a system there, with the important stuff (Xtension). You should be able to reboot into that volume easily.
That is how I keep multiple versions of MacOS on my development systems. Monterey and Big Sur work well together on a drive this way.

But, by all means, use Time Machine. Backups are critical!

Jack


> On Apr 19, 2022, at 4:10 PM, Dave Fleck <dfleck at pacifier.com> wrote:
> 
> 
> 
> Don’t you guys believe in Time Machine? I have three external Time Machine hard drives I rotate thru, and the rotation includes off-site. As Chuck said, you can have a new Mac in a day, and as long as the hard drive didn’t fail you can even yard out the old hard drive and stick it on a USB adaptor and restore from that, or one of the Time Machine backups.
> ----------
> "An undefined problem has an infinite number of solutions." -- Robert A. Humphrey
> 
> 
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