+++ This bug was initially created as a clone of Bug #985500 +++ Provide the ability to attach volumes in the read-only mode. Read-only mode could be ensured by hypervisor configuration during the attachment. Libvirt, Xen, VMware and Hyper-V support R/O volumes. https://blueprints.launchpad.net/cinder/+spec/read-only-volumes
This bug is being assigned to Don Domingo, who is now the designated docs specialist for Block Storage service.
waiting on Eric Harney to respond to https://bugzilla.redhat.com/show_bug.cgi?id=985500#c10.
Patch submitted upstream based on https://bugzilla.redhat.com/show_bug.cgi?id=985500#c11. Added link to Gerrit patch.
Looks good.