Device Reservations
22 SL150 Interface Reference Manual Julyl 2017
TABLE 3-1 Reserve/Release Management Method
Command
Action when Reserved by a different Initiator
HP Bridged Drive IBM Bridged Drive
Initialize Element (07h) Conflict Conflict
Initialize Element with Range (37h/E7h) Conflict Conflict
Inquiry (12h) Allowed Allowed
Log Sense (4Dh) Allowed Allowed
Mode Select (15h/55h) Conflict Conflict
Mode Sense (1Ah/5Ah) Conflict Allowed
Move Medium (A5h) Conflict Conflict
Persistent Reserve In (5Eh) Conflict Conflict
Persistent Reserve Out (5Fh) Conflict Conflict
Position to Element (2Bh) Conflict Conflict
Prevent/Allow Removal (1Eh) Prevent = 0, allowed
Prevent = 1, conflict
Prevent = 0, allowed
Prevent = 1, conflict
Read Element Status (B8h) Conflict Conflict
Release Unit (17h/57h) Allowed
1
Allowed
1
Report LUNS (A0h) Allowed Allowed
Report Target Port Groups (A3h) Allowed N/A
2
Request Sense (03h) Allowed Allowed
Request Volume Element Address (B5h) Conflict Conflict
Reserve Unit (16h/56h) Conflict Conflict
Send Diagnostic (1Dh) Conflict Conflict
Send Volume Tag (B6h) Conflict Conflict
Test Unit Ready (00h) Conflict Conflict
Note –
1
The reservation is not released.
2
The Report Target Port Groups command is not supported by the IBM Bridged Tape Drive.
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