Gluster users - Aug 2019 - Ganesha, after a system reboot, showmounts nothing - why?

hi guys,

after a reboot Ganesha export are not there. Suffices to do: 
$ systemctl restart nfs-ganesha - and all is good again.

Would you have any ideas why?

I'm on Centos 7.6 with nfs-ganesha-gluster-2.7.6-1.el7.x86_64;
glusterfs-server-6.4-1.el7.x86_64.

many thanks, L.

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