The cli option is indeed available in the RHGS image for CNS 3.9. sh-4.2# gluster-block create Inadequate arguments for create: gluster-block create <volname/blockname> [ha <count>] [auth <enable|disable>] [prealloc <full|no>] <HOST1[,HOST2,...]> <size> [--json*] sh-4.2# rpm -qa | grep 'block' gluster-block-0.2.1-14.1.el7rhgs.x86_64 Moving the bug to verified.
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHBA-2018:0640