[CentOS] Cemtos 7 : Systemd alternatives ?

On Tue, Jul 8, 2014 at 1:08 PM, John R Pierce <pierce at hogranch.com> wrote:
> On 7/8/2014 6:53 AM, Ned Slider wrote:
>> That's not always true.
>>
>> Some configs that were under /etc on el6 must now reside under /usr on el7.
>>
>> Take modprobe blacklists for example.
>>
>> On el5 and el6 they are in/etc/modprobe.d/
>>
>> On el7 they need to be in/usr/lib/modprobe.d/
>>
>> If you install modprobe blacklists to the old location under el7 they
>> will not work.
>>
>> I'm sure there are other examples, this is just one example I've
>> happened to run into.
>
> this is insane.   traditionally in Unix-like systems, /usr is supposed
> to be able to be read only and sharable between multiple systems, for
> instance in NFS boot scenarios.   /var is specifically for host-specific
> complex configuration and status stuff like /var/logs   /var/state
> /var/run   and so forth.

And more to the point, /usr isn't supposed t be needed until you are
past the point of mounting all filesystems so you can boot from
something tiny.  Doesn't modprobe need its files earlier than that?

-- 
    Les Mikesell
       lesmikesell at gmail.com