On 02/16/2016 08:33 AM, Tim wrote:
Allegedly, on or about 15 February 2016, Mike Wright sent:
I have several large disks filled with experiments and multiboots...
Once you sort this out, you want to plan how you do multiboots in the
future. Way back when I tried it, and even two is a pain, one good
solution was to make your own custom boot partition, and all it did was
let you select which partition to boot, it chainloaded the next one.
That sounds like the ideal approach for what I do. Do you have an
example of that you'd be willing to share? I've never used chain
loading and have only seen it referenced on this list.
Whatever the /next/ one was, is a Fedora install with its own boot
partition. Whenever that installation does any kernel updates, it only
touches files in its own /boot.
Likewise, the alternative /next/ thing to boot, was a CentOS install,
with its own boot partition. And whenever it does any kernel updates,
it only messes with file in its own /boot.
I treated new installations as if they were a complete new hard drive to
themselves, whether that's actually the case (and dedicating a whole
drive to an OS tends to be easier), or whether I was halving a drive
between two OSs, but still acting as if each OS was the only drive in
the box.
I use a very similar approach. Since a lot of my installs are intended
to be run in a custom Xen environment they can't even single boot but I
still need the kernels and initrds to copy elsewhere. The problems
arise when the installer does what it thinks is best for me and starts
screwing with my LVM setup or goes scarfing through all my disks
creating boot stanzas for installations that are incapable of standalone
boots. Gets really big and really ugly really fast. I have had much
better luck with Ubuntu installers.
Other people eschew multibooting for running virtual machines. In
essence, you have a container that pretends its the hard drive for a
machine. Everything that instance does to itself, is all within that
container.
I've since reclaimed my sanity by not multibooting. I use more than one
computer. Much more precise division between things that way.
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