HP 220mx Guia do Utilizador descarregar pdf (Página 195)

100

101

Jukebox SCSI-2 Command Set

Request Sense Command (03H)

Chapter 33-8

Request Sense Command (03H)

This command determines the specific error condition when the library

fails to successfully complete a command and returns a check condition

status. (Sense data is preserved for the initiator until retrieved by a

Request Sense Command or until the initiator sends another command.)

Codes are used to represent the error condition and this information can

be used to determine what type of error recovery procedure is

appropriate.

Allocation

Length This field contains the number of data bytes to be

returned.

Table 3-5 Request Sense Command CDB

Byte 7 6 5 4 3 2 1 0

0 Operation Code (03H)

1 Logical Unit Number

(0)

Reserved (0)

2 Reserved (0)

3 Reserved (0)

4 Allocation Length

5 Control Byte (0)

1 2 ... 190 191 192 193 194 195 196 197 198 199 200 ... 377 378

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