On 07/11/17 17:13, Klaus Ethgen wrote:
> [ separate / and /usr ] is the best way to keep your /usr flexible to
> further lvm grows for example.

Personally I have a / on a lvm2 volume.  Works OK for me, I see no loss
in flexibility.

Like I say, SVR4.2 deprecated separate /usr in the 1990's.  I haven't
used a machine without the root filesystem being on a LVM type system
(VXVM in fact) since around 1998.