This object indicates if only SCSI read
operations are allowed on members of the
default zone which are SCSI targets, on
this VSAN.
If this object is set to 'true', then only
SCSI read operations are permitted. So, this
default zone becomes a read-only default zone
on this VSAN.
If this object is set to 'false', then both
SCSI read and write operations are permitted.