Gluster users - Oct 2018 - when write a file using samba vfs client with glusterfs gets 'Permission denied'

hi,
   When I was testing samba vfs with,I got 'Permission denied' .My test
environment is as follow:
    os:
           CentOS Linux release 7.5.1804 (Core) 
    samba vfs:
           glusterfs-libs-3.8.4-54.15.el7.centos.x86_64
           samba-vfs-glusterfs-4.7.1-9.el7_5.x86_64
           samba-common-4.7.1-9.el7_5.noarch
           glusterfs-3.8.4-54.15.el7.centos.x86_64
           samba-common-libs-4.7.1-9.el7_5.x86_64
           samba-client-libs-4.7.1-9.el7_5.x86_64
           glusterfs-api-3.8.4-54.15.el7.centos.x86_64
           samba-libs-4.7.1-9.el7_5.x86_64
           samba-4.7.1-9.el7_5.x86_64
           glusterfs-client-xlators-3.8.4-54.15.el7.centos.x86_64
           samba-common-tools-4.7.1-9.el7_5.x86_64
    glusterfs?
           glusterfs-3.12.14 
     And here also my smb.conf




  In addition, the only samba vfs glusterfs 4.7.9 version is available in the
yum repository.I have not found other old versions that can be compiled. Can I
tell the samba vfs glusterfs source package address link?
     Thanks in advance!
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