Rob van der Heij wrote:
On Thu, Aug 14, 2008 at 5:30 PM, Fargusson.Alan
<[EMAIL PROTECTED]> wrote:
It is not the case the /boot is the issue. As soon as the kernel starts it
mounts the root. If mounting the root fails then the kernel gives up, and you
have to recover the root filesystem.
The motivation to split off /boot stems from ancient PC hardware etc
that required the boot stuff to be on low cylinder numbers. So you
made a /boot partition that resides at the start of the disk.
More recently, where / is defaults to LVM (and also if / or RAID), /boot
cannot be in the root filesystem as the boot manager (grub) cannot
navigate it.
Probably, LILO can, because one runs the LILO command to build a list of
blocks that must be read, but non of the distros I use defaults to LILO
these days.
If using two (identical) disks in a mirror arrangement, one can clone
/boot from one to the other and so have both disks bootable.
This has no relevance with Linux on z/VM (unless you want to do
something like a 2nd IPL volume for Linux to back-out a kernel update,
but that takes a bit more to do it right).
Can one choose kernels at boot time on Zeds now? If so, that shouldn't
be a problem.
--
Cheers
John
-- spambait
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