Does anyone reuse /boot or /var partitions ?
Sérgio Basto
sergio at serjux.com
Thu Jan 22 23:06:54 UTC 2015
On Qui, 2015-01-22 at 13:36 -0800, Adam Williamson wrote:
> There's a proposed anaconda patch ATM which would disallow mounting an
> existing partition as /boot or /var (or any subdirectory of those
> except /var/www ) without reformatting it. i.e., you can't reuse an
> existing partition with those mountpoints.
>
> I'm curious to know if anyone / many people do this, and if so, if
> there's a particularly good use case for it; if so, we might want to
> provide that feedback to the anaconda folks.
>
> There are a few references to using shared /boot on Google, but not
> that many, and mostly for crazy multiboot configurations that we
> really don't want to be stuck dealing with. Does anyone know of a
> really sensible use case for this?
>
> For the record, this is actually re-hooking up code that was used in
> oldUI - that is, F17 and earlier - but in oldUI it just produced a
> warning you had to click through; the current patch flat disallows it.
> The main driving force for this is
> https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=1074358 , as it
> keeps turning out to be annoyingly tricky to make sure that only newly-
> installed kernels have their initramfs regenerated when installing to a
> shared /boot partition.
My test machine in office got Debian and Fedora and both systems have
same /boot , because /boot can't be on LVM [1], so /boot is just to hold
kernels at boot time for Debian and for Fedora , grub2 from Fedora keeps
boots entries of Debian system .
[1]
/dev/sda2 2048 1026047 500M Linux filesystem
/dev/sda3 1026048 488396799 232,4G Linux LVM
--
Sérgio M. B.
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