Quantum Quantum Atlas 10K II 9.2/18.4/36.7/73.4 GB, Product Manual

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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.