Quantum 1200 Series DAT Autochanger Guía de usuario descargar pdf (Pagina 77)

SDLT 600 SCSI Interface Guide Chapter 4: SCSI Commands

81-81200-02 REV A01 January 2005 4-35

Figure 4-16. LOG SELECT Log Page — Parameters Format

Bit

Byte

7 6 5 4 3 2 1 0

0 – 1

(MSB)

Parameter Code

(LSB)

DU DS TSD ETC TMC LBIN LP

3 Parameter Length (n – 3)

4 – n

(MSB)

Parameter Value

(LSB)

1. The byte 2 fields are collectively referred to as the Parameter Control byte.

Table 4-21. LOG SELECT Log Parameters — Field Descriptions

Field Name Description

Parameter Code Parameter codes supported for the READ / WRITE error counter pages are

as follows:

Code Description

0000h Errors corrected without substantial delays

0001h Errors corrected with possible delays

0002h Total read / write errors

0003h Total read / write errors

0004h Total times correction algorithm processed. Always 0 for write

errors only.

0005h Total bytes processed

0006h Total uncorrected errors

8000h WRITE errors since last READ (page 02) or

READ errors since last WRITE (page 03)

8001h Total raw write error flags

8002h Total dropout error count

1 2 ... 72 73 74 75 76 77 78 79 80 81 82 ... 293 294

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Quantum 1200 Series DAT Autochanger Guía de usuario Pagina 77