Quantum 1200 Series DAT Autochanger Guide de l'utilisateur télécharger pdf (Page 119)

SDLT 600 SCSI Interface Guide Chapter 4: SCSI Commands

81-81200-02 REV A01 January 2005 4-77

Table 4-47. Read / Write Error Recovery MODE SELECT Page — Field Descriptions

Field Name Description

PS Parameters Savable. For MODE SELECT, must be set to 0.

Page Code Identifies the type of MODE SELECT page being transferred. A

value of 01h identifies this as the Read / Write Error Recovery

Page.

Page Length Indicates the number bytes in the page, excluding bytes 0 and 1.

The length is returned in MODE SENSE commands and must

subsequently be set to the same value when performing MODE

SELECT. If the drive receives an unexpected page length value, it

returns a CHECK CONDITION status, Sense Key set to

ILLEGAL REQUEST.

TB Transfer Block. Not supported.

EER Enable Early Recovery. Must be set to 1.

PER Post Error. Default is 0. When set to 1, enables reporting of

CHECK CONDITION to report recovered READ / WRITE errors.

DTE Disable Transfer on Error. Not supported. Must be set to 0.

DCR Disable ECC Correction. Not supported. Must be set to 0.

Read Retry Count This field reports the maximum number of read retries the drive

attempts before reporting an unrecoverable error.

Write Retry Count This field reports the maximum number of write retries the drive

attempts before reporting an unrecoverable error.

1 2 ... 114 115 116 117 118 119 120 121 122 123 124 ... 293 294

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Quantum 1200 Series DAT Autochanger Guide de l'utilisateur Page 119