Does anyone reuse /boot or /var partitions ?

[Sérgio Basto]

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.