Alp Locate Command; Table C-4 Alp Locate Command - Oracle StorageTek T10000 Reference Manual

ALP Locate Command

ALP Locate Command
This vendor unique version of the Read Position command is used to read to the
current ALP index.

TABLE C-4 ALP Locate Command

Byte 7
0
1
2
3
thru
6
7
8
5 RSVD
Parameter
BT: Block Address Type
CP: Change Partition
Immed: Immediate
Block Address
Partition
ALP: Locate ALP
278 T10000: Interface Reference Manual
6 5
Page Code (04h)
Reserved
Reserved or ALP MSB
ALP
Value
0 = SCSI logical block address
1 = Vendor - specific (ignored)
0 = Ignore partition field
1 = Change partition (required for ALP locate)
0 = Return status when locate is complete (required for ALP
locate)
1 = Return status when locate is started
Logical block address position (must be zero for ALP locate)
ALP index - vendor unique
0 = normal locate block ID
1 = vendor unique ALP locate
Bit
4 3
Reserved
Transfer Length
ALP LSB
Control Byte
2 1
BT
CP Immed
August 2016
0