network shares hang on restart / shutdown - consequence: hard shutdown required

/etc/runit/3 と、報告された /etc/rc.pre-shutdown スクリプトを読んで始めます。nfs、nfs4、または cifs のマウントを使ってシャットダウンを再現し、サービスのシャットダウンとマウント処理の順序を追跡します。強制電源オフを必要とせず、シャットダウンが完了する前にネットワーク共有がアンマウントされるか読み取り専用で再マウントされれば完了です。

Hi,

If I have mounted network shares (nfs, nfs4, cifs), these are unable to be unmounted / re-mounted as read during shutdown / restart, consequently the shutdown process hangs and I need to do a forced shutdown. The reason is that in /etc/runit/3 the network services are taken offline before before the drives are unmounted / re-mounted as read occurs.

I've created my own /etc/rc.pre-shutdown script (below) that is called by /etc/runit/3 before the services are closed that unmounts / re-mounts as read the network shares. This works.

Apologies if I've missed an obvious option / setting that renders my "fix" not needed, I'm just an enthusiastic Linux user, as opposed to developer.

Hope this is useful for someone.

Rob

echo "   trying to unmount network shares..."

umount -a -r -t nfs,nfs4,cifs

if grep -qs -e 'nfs ' -e 'nfs4 ' -e 'cifs ' /proc/mounts; then
   echo
   echo "...... failed to unmount network some network shares ......"
   rem_shares=$(grep -e 'nfs ' -e 'nfs4 ' -e 'cifs ' /proc/mounts)
   if echo $rem_shares | grep -qs 'rw,'; then
         echo "failed to mount read only as well"
         echo "will attempt forced, lazy unmount"
         echo "if this hangs then will need to hard shutdown..."
         umount -a -f -l -t nfs,nfs4,cifs
   elif echo $rem_shares | grep -qs 'ro,'; then
         echo "shares were mounted read only instead."
         echo "hopefully this is ok. If hangs...hard shutdown required"
   else
         echo "I should not be here..."
   fi
   echo
fi