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LOG SENSE Command (4Dh) SDLT 600 SCSI Interface Guide

4-60 January 2005 81-81200-02 REV A01

Counter Value Parameter codes 02h through 09h provide a count of the number of bytes

transferred since the last time the counters were reset with a LOG SELECT

command or reset condition.

Parameter Codes 02h and 03h

— Report the count of bytes transferred from

the drive to the initiator. Parameter code 02h reports the number of full

megabytes transferred; parameter code 03h reports the number of bytes less

than a full megabyte transferred. Multiplying the counter returned for

parameter code 02h by 1,048,576 and then adding the value of the counter

returned by parameter code 03h results in the actual total bytes transferred

to the initiator.

Parameter Codes 04h and 05h

— Report the count of bytes transferred from

the drive to the buffer. Parameter code 04h reports the number of full

megabytes transferred; parameter code 05h reports the number of bytes less

than a full megabyte that have been transferred. Multiplying the counter

returned for parameter code 04h by 1,048,576 and then adding the value of

the counter returned by parameter code 05h results in the actual total bytes

transferred from tape to the buffer.

Parameter Codes 06h and 07h

— Report the count of bytes transferred from

the initiator to the buffer. Parameter code 06h reports the number of full

megabytes transferred; parameter code 07h reports the number of bytes less

than a full megabyte that have been transferred. Multiplying the counter

returned for parameter code 06h by 1,048,576 and then adding the value of

the counter returned by parameter code 07h results in the actual total bytes

transferred from the initiator to the buffer.

Parameter Codes 08h and 09h

— Report the count of bytes written to the

drive. Parameter code 08h reports the number of full megabytes transferred;

parameter code 09h reports the number of bytes less than a full megabyte

that have been transferred. Multiplying the counter returned for parameter

code 08h by 1,048,576 and then adding the value of the counter returned by

parameter code 09h results in the actual total bytes written to the drive.

Table 4-36. Log Parameters for Read / Write Compression Ratio LOG SENSE Page — Field

Descriptions (Parameter Codes 02h through 09h) (Continued)

Field Name Description

1 2 ... 97 98 99 100 101 102 103 104 105 106 107 ... 293 294

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