Fedora 20 nfs
Mike Chambers
mike at mtchambers.com
Tue Oct 15 15:33:54 UTC 2013
On Mon, 2013-10-14 at 14:18 -0700, T.C. Hollingsworth wrote:
> 1.) DHCP on your network is sloooow and NetworkManager-wait-online is
> timing out after the default 30s waiting for it.
My dhcp server is a cisco linksys e3000 wire/wireless router that I have
been using for year or two now, and it works fine. Worked just fine on
F19 with no issues of this nature.
>
> 2.) NetworkManager-wait-online is just stupid and doesn't wait for
> DHCP to complete.
Tried your script but got an exit code, ugh can't remember it now.
>
> 3.) NM-wait-online is working fine, but systemd isn't waiting for it
> for some reason.
I think above is the problem, but can't swear to it.'
>
> I believe something in the logs would indicate if it's 1. If that's
> the case, you can increase the timeout by copying
> /usr/lib/systemd/system/NetworkManager-wait-online.service to
> /etc/systemd/system/ (so rpm doesn't overwrite your changes on
> updates) and increasing the `-t` argument to `nm-online` in that file.
Changed it to 120 secs but still no go. Heck there was only 8 seconds
between trying to mount the nfs share and dhcp getting configured.
>
> If it's 2, file a bug against NetworkManager, which ships the
> `nm-online` program that is being stupid. :-p If it's 3, systemd
> obviously deserves the bug.
>
> Well, lets try a more systemd-esque hack that will also identify
> whether the problem is 2 or 3 as described above. Drop something like
> this in /etc/systemd/system/really-wait-online.service:
> --
> [Unit]
> Description=Really wait for the damn network
> Requisite=NetworkManager.service
> After=NetworkManager.service
> Wants=network.target
> Before=network.target network-online.target
>
> [Service]
> Type=oneshot
> ExecStart=/bin/bash -c 'until ifconfig p5p1 | grep '192.\168'; do
> continue; done'
> TimeoutSec=120
>
> [Install]
> WantedBy=multi-user.target
> --
>
> Remember to adjust the network interface and grep string to something
> that makes sense for your network, and run `systemctl daemon-reload &&
> systemctl enable really-wait-online.service` to enable it when you're
> done. (And if you're aware of a better method for figuring out DHCP is
> done than grepping the output of `ifconfig`, feel free to use it. ;-)
>
> If mounting works after that, NM-wait-online is really the culprit and
> NetworkManager deserves the bug. If mounting still fails, systemd is
> not ordering things right and deserves the bug.
>
> And if systemd is to blame, fix your system nao by explicitly ordering
> your little wait-online service before the mount unit (e.g.
> mnt-foo.mount) discussed upthread. Just add said mount unit to the
> end of the Before line in that file.
>
Got confused on your above temp fix. So adding home-download.mount to the end of the Before line, in my wait.online service file?
--
Mike Chambers
Madisonville, KY
"Best little town on Earth!"
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