At Tue, 23 Jun 2015 13:49:08 +0100 CentOS mailing list <centos@xxxxxxxxxx> wrote:
>
> Do most people today have /boot on a separate partition,
> or do they (you) have it on the / partition ?
The default CentOS installer always puts /boot on a separate partition. This
is mostly because, the default CentOS installer uses LVM for the bulk of the
disk and Grub is *generally* clueless WRT LVM (at least Grub V1, not sure how
smart Grub V2 is). Also, there are lots of 'fun' options for what/where the
root partition can be, not all of them compatible with what Grub (or other
boot loaders) know how to deal with. Having /boot on its own (small)
partition, using something 'simple' for a file system makes things 'easy' for
bootloaders. Once the kernel is fired up it can load all sorts of modules to
allow it to mount the root file system, everything from exotic file systems
to LVM and RAID, etc.
Another advantage of having /boot on its own partition is supporting multiple
linux flavors that is, it is possible to 'share' /boot between CentOS, Fedora,
Ubuntu, Debian, etc. if one wants to, although it is really easier to pick one
system for your 'host' and then install VMs for all of the others, but
sometimes one needs to test things with different Linux flavors *on the bare
metal* for various reasons.
>
>
--
Robert Heller -- 978-544-6933
Deepwoods Software -- Custom Software Services
http://www.deepsoft.com/ -- Linux Administration Services
heller@xxxxxxxxxxxx -- Webhosting Services
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