SCSI Primary Commands - 2.pdf

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T10/1236-D Revision 20 18 July 2001Table B.1 — SBC direct access commands that are allowed in the presence of various reservationsCommandAddressedLU isreservedby anotherinitiator[A]Addressed LU has this type of persistent reservationheld by another initiator[B]From any initiatorWriteExclExclAccessFromregisteredinitiator(RO alltypes)From initiator notregisteredWrite Excl– ROExcl Access– ROFORMAT UNIT Conflict Conflict Conflict Allowed Conflict ConflictLOCK/UNLOCK CACHE Conflict Conflict Conflict Allowed Conflict ConflictPRE-FETCH Conflict Allowed Conflict Allowed Allowed ConflictREAD(6)/READ(10)/READ(12) Conflict Allowed Conflict Allowed Allowed ConflictREAD CAPACITY Allowed Allowed Allowed Allowed Allowed AllowedREAD DEFECT DATA(10)/READ DEFECT DATA(12)Conflict Conflict Conflict Allowed Conflict ConflictREAD LONG Conflict Conflict Conflict Allowed Conflict ConflictREASSIGN BLOCKS Conflict Conflict Conflict Allowed Conflict ConflictREBUILD Conflict Conflict Conflict Allowed Conflict ConflictREGENERATE Conflict Conflict Conflict Allowed Conflict ConflictSEEK(10) Conflict Conflict Conflict Allowed Conflict ConflictSET LIMITS(10)/SET LIMITS(12) Allowed Allowed Allowed Allowed Allowed AllowedSTART/STOP UNITSTART=1 and POWER CONDITION=0Allowed Allowed Allowed Allowed Allowed AllowedSTART/STOP UNITSTART=0 or POWER CONDITION0Conflict Conflict Conflict Allowed Conflict ConflictSYNCHRONIZE CACHE Conflict Conflict Conflict Allowed Conflict ConflictVERIFY Conflict Allowed Conflict Allowed Allowed ConflictWRITE(6)/WRITE(10)/WRITE(12) Conflict Conflict Conflict Allowed Conflict ConflictWRITE AND VERIFY Conflict Conflict Conflict Allowed Conflict ConflictWRITE LONG Conflict Conflict Conflict Allowed Conflict ConflictWRITE SAME Conflict Conflict Conflict Allowed Conflict ConflictXDREAD Conflict Allowed Conflict Allowed Allowed ConflictXDWRITE Conflict Conflict Conflict Allowed Conflict ConflictXDWRITE EXTENDED Conflict Conflict Conflict Allowed Conflict ConflictXPWRITE Conflict Conflict Conflict Allowed Conflict ConflictKey: LU=Logical Unit, Excl=Exclusive, RO=Registrants Only, Not Equal230 dpANS SCSI Primary Commands - 2 (SPC-2)
18 July 2001 T10/1236-D Revision 20Table B.2 — SBC optical memory commands that are allowed in the presence of various reservationsCommandAddressedLU isreservedby anotherinitiator[A]Addressed LU has this type of persistent reservationheld by another initiator[B]From any initiatorWriteExclExclAccessFromregisteredinitiator(RO alltypes)From initiator notregisteredWrite Excl– ROExcl Access– ROERASE(10)/ERASE(12) Conflict Conflict Conflict Allowed Conflict ConflictFORMAT UNIT Conflict Conflict Conflict Allowed Conflict ConflictLOCK/UNLOCK CACHE Conflict Conflict Conflict Allowed Conflict ConflictMEDIUM SCAN Conflict Allowed Conflict Allowed Allowed ConflictPRE-FETCH Conflict Allowed Conflict Allowed Allowed ConflictREAD(6)/READ(10)/READ(12) Conflict Allowed Conflict Allowed Allowed ConflictREAD CAPACITY Allowed Allowed Allowed Allowed Allowed AllowedREAD DEFECT DATA(10)/READ DEFECT DATA(12)Conflict Conflict Conflict Allowed Conflict ConflictREAD GENERATION Conflict Allowed Conflict Allowed Allowed ConflictREAD LONG Conflict Conflict Conflict Allowed Conflict ConflictREAD UPDATED BLOCK Conflict Allowed Conflict Allowed Allowed ConflictREASSIGN BLOCKS Conflict Conflict Conflict Allowed Conflict ConflictSEEK(10) Conflict Conflict Conflict Allowed Conflict ConflictSET LIMITS(10)/SET LIMITS(12) Allowed Allowed Allowed Allowed Allowed AllowedSTART/STOP UNITSTART=1 and POWER CONDITION=0Allowed Allowed Allowed Allowed Allowed AllowedSTART/STOP UNITSTART=0 or POWER CONDITION0Conflict Conflict Conflict Allowed Conflict ConflictSYNCHRONIZE CACHE Conflict Conflict Conflict Allowed Conflict ConflictUPDATE BLOCK Conflict Conflict Conflict Allowed Conflict ConflictVERIFY(10)/VERIFY(12) Conflict Allowed Conflict Allowed Allowed ConflictWRITE(6)/WRITE(10)/WRITE(12) Conflict Conflict Conflict Allowed Conflict ConflictWRITE AND VERIFY(10)/WRITE AND VERIFY(12)Conflict Conflict Conflict Allowed Conflict ConflictWRITE LONG Conflict Conflict Conflict Allowed Conflict ConflictKey: LU=Logical Unit, Excl=Exclusive, RO=Registrants Only, Not EqualdpANS SCSI Primary Commands - 2 (SPC-2) 231
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