On Tue, Feb 07 2017, Rafael David Tinoco wrote: > Following commit 91da135f - it replaced "rpcbind.target" by "rpcbind.socket" in > some unit files - "rpcbind.socket" should also be added to "nfs-mountd.service" > as a dependency to avoid race conditions. > > Usually "rpcbind.socket" is either started as a "sockets.target" dependency, or > as a dependency for "nfs-server.service", when unit files include it in > "BindsTo" or "After". Unfortunately there is a possilibility to have > "nfs-mountd.service" started when the rpcbind socket is not yet created: > > systemd[1]: Starting NFS Mount Daemon... > systemd[1]: nfs-mountd.service: Control process exited, code=exited status=1 > systemd[1]: Failed to start NFS Mount Daemon. > systemd[1]: nfs-mountd.service: Unit entered failed state. > systemd[1]: nfs-mountd.service: Failed with result 'exit-code'. > > Nowadays "nfs-mountd.service" uses "BindTo" directive to "nfs-server.service". > That, per se, doesn't guarantee ordering for NFS server to start rpcbind and for > nfs-mountd to depend on it. > > https://bugs.launchpad.net/bugs/1590799 > > Signed-off-by: Rafael David Tinoco <rafael.tinoco@xxxxxxxxxxxxx> Thanks for finding this! Reviewed-by: NeilBrown <neilb@xxxxxxxx> I would not be against adding Wants=rpcbind.socket but as you say, it isn't strictly needed. Thanks, NeilBrown > --- > systemd/nfs-mountd.service | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/systemd/nfs-mountd.service b/systemd/nfs-mountd.service > index 15e828b..b0a8bc0 100644 > --- a/systemd/nfs-mountd.service > +++ b/systemd/nfs-mountd.service > @@ -4,6 +4,7 @@ DefaultDependencies=no > Requires=proc-fs-nfsd.mount > After=proc-fs-nfsd.mount > After=network.target local-fs.target > +After=rpcbind.socket > BindsTo=nfs-server.service > > [Service] > -- > 2.9.3
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