Device Reservations
August 2016 Operations 35
TABLE 2-3 lists the reservation restrictions placed on the Persistent Reservations
management method.
TABLE 2-3 Persistent Reservation Management Method
Command From Non-registered Initiators From Registered Initiators
Erase (19h) Conflict Allowed
Inquiry (12h) Allowed Allowed
Load Display (06h) Conflict Allowed
Load/Unload (1Bh) Conflict Allowed
Locate (2Bh) Conflict Allowed
Log Select (4Ch) Conflict Allowed
Log Sense (4Dh) Allowed Allowed
Mode Select (15h/55h) Conflict Allowed
Mode Sense (1Ah/5Ah) Conflict Allowed
Persistent Reserve In (5Eh) Allowed Allowed
Persistent Reserve Out (5Fh) Register, allowed
Reserve, conflict
Release, conflict
Clear, conflict
Pre-empt, conflict
Pre/Abt, conflict
Register, allowed
Reserve, conflict
Release, allowed
Clear, allowed
Pre-empt, allowed
Pre/Abt, allowed
Prevent/Allow Media Removal
(1Eh)
Prevent = 0, allowed
Prevent = NZ, conflict
Allowed
Read (08h) Conflict Allowed
Read Attribute (8Ch) Conflict Allowed
Read Block Limit (05h) Allowed Allowed
Read Buffer (3Ch) Conflict Allowed
Read Media Serial Number
(ABh–01h)
Allowed Allowed
Read Position (34h) Conflict Allowed
Read T10 PI (98h) Conflict Allowed
Receive Diagnostic Results (1Ch) Conflict Allowed
Release Unit (17h/57h) Conflict Allowed,
reservation is not released
Report Density Support (44h) Allowed Allowed
Report LUNs (A0h) Allowed Allowed
Report Supported Operations
Codes (A3h–0Ch)
Conflict Allowed
Report Supported Task
Management Functions (A3h–0Dh)
Conflict Allowed