Maxtor ATLAS 10K III Manual download pdf (Page 157)

SCSI Description

5–90 Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives

MODE SELECT (6) Command (15h) (continued)

Table 5–42 Codes Used by the MRIE Field

Field Description

0h No reporting of informational exception condition. This method instructs the disk drive

not to report these conditions.

1h Asynchronous Event Reporting. This method of reporting instructs the disk drive to

report informational exception conditions by using the rules for asynchronous event

reporting as described in the SCSI-3 Architecture Model and the relevant Protocol

Standard. The sense key will be set to RECOVERED ERROR and the additional sense

code will indicate the cause of the informational exception condition.

2h Generate Unit Attention. This method of reporting instructs the disk drive to report

informational exception conditions by returning a CHECK CONDITION status on any

command. The sense key is set to UNIT ATTENTION and the additional sense code will

indicate the cause of the information exception condition. The command that has the

CHECK CONDITION will not be executed before the informational exception condition

is reported.

3h Conditionally Generate Recovered Error. This method of reporting instructs the disk

drive to report informational exception conditions dependent on the value of the PER

bit of the Error Recovery Paramaters Mode Page, by returning a CHECK CONDITION

status on any command. The sense key will be set to RECOVERED ERROR and the

additional sense code will indicate the cause of the informational exception condition.

The command that has the CHECK CONDITION will complete before and informational

exception condition is reported.

4h Unconditionally Generate Recovered Error. This method of reporting instructs the disk

drive to report informational exception conditions regardless of the value of the PER bit

of the Error Recovery Parameters Mode Page, by returning a CHECK CONDITION status

on any command. The sense key will be set to RECOVERED ERROR and the additional

sense code will indicate the cause of the informational exception condition. The

command that has the CHECK CONDITION will complete without error before any

informational exception condition will be reported.

5h Generate No Sense. This method of reporting instructs the disk drive to report

informational exception conditions by returning a CHECK CONDITION status on any

command. The sense key will be set to NO SENSE and the additional sense code will

indicate the cause of the informational exception condition. The command that has

the CHECK CONDITION will complete without error before any informational exception

condition is reported.

6h Only Report Informational Exception Condition On Request. This method of reporting

instructs the disk drive to preserve the informational exception(s) data. To learn about

these exception conditions, the application client polls the disk drive via an unsolicited

REQUEST SENSE command. The sense key is set to NO SENSE and the additional sense

code will indicate the cause of the informational exception condition.

7h – Bh Reserved.

Ch – Fh Vendor-specific.

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