Locate Command; Table 3-22 Locate Command - Oracle StorageTek T10000 Reference Manual

Locate Command

• When the drive needs cleaning, an unload will return Check Condition status
Locate Command
The Locate command requests the tape drive to position the tape to a specified block
address. Any buffered write data and filemarks are written on the tape before this
operation starts.

TABLE 3-22 Locate Command

Byte 7
0
1
2
3 (MSB)
thru
6
7
8
9
Parameter
BT: Block Address Type
CP: Change Partition
Immed: Immediate
Block Address
Partition
Note – After a Locate command with the Immediate bit set. A Test Unit Ready
command returns Busy status while the operation is in progress.
60 T10000: Interface Reference Manual
with a Sense Key of 0h and an ASC/ASCQ of 0017h indicating the tape drive
requires cleaning.
6 5
Operation Code (2Bh)
Reserved
Value
0 = SCSI logical block address
1 = Vendor - specific (ignored)
0 = Ignore partition field
0 = Return status when locate is complete
1 = Return status when locate is started
Logical block address position
00h = Default partition
Bit
4 3
Reserved
Block Address
Reserved
Partition
Control Byte
2 1
BT CP Immed
August 2016
0
(LSB)