applied On Tue, Nov 27, 2018 at 12:02:01PM +0100, Thomas Lamprecht wrote: > As we mount this manually and thus systemd doesn't know about any > dependency for cephFS mounts, this got umounted only at the last > stage of shutdown, where network wasn't active anymore. > > But, CephFS needs to be connected to an active MDS for a clean > unmount so without network this mount would delay shutdown for quite > a bit, until after some minutes systemd gave up and forced unmount. > > So tell systemd that this mount requires network, which can be done > with the '_netdev'[0] mount option, that lucky for us can be also > passed to a mount call and isn't only available for fstab. > > with this a mount gets, among others: > > Wants=network-online.target > > Before=umount.target remote-fs.target > > After=remote-fs-pre.target system.slice network.target > > network-online.target -.mount > > Which does the trick for us. > > [0]: > https://www.freedesktop.org/software/systemd/man/systemd.mount.html#_netdev > > Signed-off-by: Thomas Lamprecht <[email protected]> > --- > PVE/Storage/CephFSPlugin.pm | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/PVE/Storage/CephFSPlugin.pm b/PVE/Storage/CephFSPlugin.pm > index de1499c..1bfdd01 100644 > --- a/PVE/Storage/CephFSPlugin.pm > +++ b/PVE/Storage/CephFSPlugin.pm > @@ -66,6 +66,10 @@ sub cephfs_mount { > $cmd = ['/bin/mount', '-t', 'ceph', $source, $mountpoint, '-o', > "name=$cmd_option->{userid}"]; > push @$cmd, '-o', "secretfile=$secretfile" if defined($secretfile); > } > + # tell systemd that we're network dependent, else it umounts us to late > on > + # shutdown, when we couldn't connect to the active MDS and thus unmount > + # hangs and delays shutdown/reboot (man systemd.mount) > + push @$cmd, '-o', '_netdev'; > > if ($scfg->{options}) { > push @$cmd, '-o', $scfg->{options}; > -- > 2.19.2
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