On Mon, 2017-12-18 at 09:56 -0700, stan wrote:
On Mon, 18 Dec 2017 07:19:02 -0500
Sam Varshavchik <mrsam(a)courier-mta.com> wrote:
> When we had initiscripts, I forget which one it was, but there was
> one that read all the config files, and enabled those interfaces. And
> stuff that depended on the network being up ran after that. Simple.
> Easy. So, again: is it unreasonable to be able to start things that
> require the statically- assigned IP addresses after they actually are
> assigned to their network ports? Did something change, in the world
> we live in, where this is not possible any more? And what exactly did
> change, that made this a logically impossible, herculean task?
I think you are talking about the days before we had multi-threaded
boot, and boot was deterministic. Boot went to multi-threaded, and so
became non-deterministic, in order to shorten boot time. Maybe
part of the solution is a kernel (or systemd) switch that says, "I
don't care if boot takes 10 or 20 seconds (or a minute) longer, I want
it to be deterministic." If that switch was set, then things would
always run sequentially in a fixed order, unlike now.
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Many thanks for the suggestions & feedback
AFAIK I have not changed anything and I cannot get the machine to fail
again with the problem of DHCP running after the nfs mount attempts.
Yesterday I could not get it to boot cleanly in about 10 attempts!
Maybe it was a network problem, maybe a hardware problem?
Maybe some form of race condition with NetworkManager-wait-online and friends
I will bring a second F27 machine up to the same "update" state
and see what happens