Quantum DLT-S4 Betriebsanweisung PDF herunterladen (Seite 110)

100

101

Chapter 4 SCSI Commands

LOG SENSE Command (4Dh)

DLT-S4 Interface Reference Guide 76

Figure 34 Log Parameters

Format for Sequential Access

Device LOG SENSE Page

Table 46 Sequential Access

Device LOG SENSE Page

Parameters — Field

Descriptions

Bit

Byte

7 6 5 4 3 2 1 0

0 — 1

(MSB)

Parameter Code

(LSB)

2 DU DS TSD ETC TMC LBIN LP

3 Parameter Length

4 — n Parameter Value

Field Description

Parameter

Code

Parameter codes supported for the Sequential Access Device Page:

Code Description

0000h Host Write Byte Count. This is the number of data bytes received from

application clients during

WRITE command operations.

0001h Tape Write Byte Count. The number of data bytes written to the media during

WRITE command operations, not counting ECC and formatting overhead.

0002h Tape Read Byte Count. The number of data bytes read from the media during

READ command operations, not counting ECC and formatting overhead.

0003h Host Read Byte Count. The number of data bytes transferred to the initiator(s)

during

READ command operations.

Parameter

Control Byte

Bit Value Description

DU 0 Disable Update.

DS 1 Disable Save.

1 2 ... 105 106 107 108 109 110 111 112 113 114 115 ... 385 386

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