suggestion: rescue boot extension

[Bill Nottingham]

Jon Masters (jonathan at jonmasters.org) said: 
> There are various projects implementing LiveCD, rescue, or snapshotted
> updates. I would like to propose a feature in which some of the
> rescue/LiveCD bits are (optionally) installed to a spare volume during
> install such that there's always a rescue/Live boot option that can boot
> up to a recovery desktop without needing to grab media, etc.
> 
> Modern disks are large and cheap (even some SSDs). I can't see a
> downside and it helps with all manner of botched updates. Snapshots help
> aswell, but there are many times where you just want something more than
> a single user boot to fix some breakage.

Hm. I can see the use of this, but I can also see issues with how you
do updates for it sanely (if at all.)

Bill