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Bug#847204: nfs-kernel-server: `systemctl status` incorrectly reports server "active" even if not started



On Tue, 6 Dec 2016 15:15:12 +0100 Riccardo Murri
<riccardo.murri@gmail.com> wrote:
> 
> Package: nfs-kernel-server
> Version: 1:1.2.8-9
> 
> The systemd service unit file for `nfs-kernel-server` incorrectly
> reports the service status as "active" even when the NFS server is *not*
> running (e.g., empty exports file).

..

>     debian@debian-nfs-bug:~$ sudo systemctl status nfs-kernel-server.service
>     * nfs-kernel-server.service - LSB: Kernel NFS server support
>        Loaded: loaded (/etc/init.d/nfs-kernel-server)
>        Active: active (exited) since Tue 2016-12-06 12:12:58 UTC; 1min 36s ago
> 
>     Dec 06 12:12:58 debian-nfs-bug nfs-kernel-server[1544]: Not starting NFS kernel daemon: no exports. ... (warning).
>     Dec 06 12:12:58 debian-nfs-bug systemd[1]: Started LSB: Kernel NFS server support.
>     Dec 06 12:14:33 debian-nfs-bug systemd[1]: Started LSB: Kernel NFS server support.

The problem is, that nfs-kernel-server in jessie is a sysv init script.
For those, systemd creates a wrapper unit which uses RemainAfterExit=yes
as systemd can not know, if the init script starts a long running
process or not.

(that's why it shows "active (exited)" instead of "active (running)")

The obvious solution is to use a native .service file, where you can set
the proper Type=. This is the case for stretch.

For jessie, that change would most likely be too invasive though,


Michael

-- 
Why is it that all of the instruments seeking intelligent life in the
universe are pointed away from Earth?

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