HP Surestore 160ex Optical Drive and Library SCSI-2 Command Reference - Page 148
Log Sense Command (4DH),
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SCSI-2 Drive Commands SCSI-2 Drive Command Set Log Sense Command (4DH) Table 2-100 Log Sense Command (4DH) This command provides a means for the initiator to manage statistical information maintained by the drive. Log Sense Command CDB Byte 0 1 2 3 4 5 6 7 8 9 7 6 PC (01H) 5 4 3 2 1 0 Operation Code (4DH) Reserved (0) Page Code (See Table 2-101 on page 2-112) Reserved (0) Reserved (0) Parameter Pointer (MSByte) (See Table 2-101 on page 2-112) Parameter Pointer (LSByte) Allocation Length (MSByte) Allocation Length (LSByte) Reserved (0) Flag Link Allocation Length Parameter Pointer The number of parameter bytes, including the Log Page and the parameter structures. The Parameter Pointer field allows the initiator to request parameter data beginning from a specific parameter code to the maximum allocation length or the maximum parameter code, whichever is less. Log parameters within the specified log page are transferred in ascending order according to parameter code. Chapter 2 2-111