Re: from / to /usr/: a summary

[Goswin von Brederlow <goswin-v-b@web.de>]

Russell Coker <russell@coker.com.au> writes:

> On Thu, 22 Dec 2011, Goswin von Brederlow <goswin-v-b@web.de> wrote:
>> You only ever NEED stuff from outside LVM if you want to remove the VG
>> the system is on, which makes sense, or if you screwed up. E.g. when you
>> shrink the root LV without having shrunk the filesystem first and need
>> to undo that. At that point it becomes usefull to have access to the lvm
>> backup data, which is kind of hard if it is on lvm. If one has no
>> partition outside of LVM it is a good idea to copy a set of backup
>> metadata to an usb stick, just in case.
>
> If someone is concerned about possible LVM issues affecting the root 
> filesystem then the easy solution is to just have the root filesystem 
> (including /usr) outside LVM.  The root filesystem isn't one that generally 
> needs to be resized etc and even when /usr is included it's not particularly 
> big by today's standards.
>
> It seems to me that wanting to have / outside LVM but /usr inside LVM is a 
> fairly obscure corner case.  If we are going to have to hack things to work 
> differently from Fedora (and maybe miss some features along the way) to 
> support such things then I think we shouldn't bother.

My /usr used to be 2G, then 3G, 4G, 5G and now I'm up to 6G.

That /usr doesn't grow over the livetime of a Debian installation is
plain not true. I had to grow / once too. But that grows much slower.

MfG
        Goswin