Seagate Fibre Channel Interface - Manual (Page 258)

244 Fibre Channel Interface Manual, Rev. D
MRIE (Method of Reporting Informational Exceptions)
Indicates the methods that are used by the target to report informational exception conditions (see Table 159). The priority
of reporting multiple information exceptions is vendor specific.
Page Code
1Ch
Informational Exceptions Control page code.
Page Length
0Ah
The length of the Informational Exceptions Control page (in bytes). If the allocation length is too small to transfer all
of the page, the page length is not adjusted to reflect the truncation.
PS (Parameter Savable)
This bit is not used with the Mode Select command.
Table 159: Method of Reporting Informational Exceptions field
MRIE Description
0h No reporting of informational exception condition. This method instructs the target to not report information
exception conditions.
1h Asynchronous event reporting. This method instructs the target 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 is set to Recovered Error and the additional sense code indi-
cates the cause of the informational exception condition.
2h Generate unit attention. This method instructs the target to report informational exception conditions by
returning a Check Condition status on any command. The sense key is set to Unit Attention and the addi-
tional sense code indicates the cause of the informational exception condition.
The command that has the Check Condition is not executed before the informational exception condition is
reported.
3h Conditionally generate recovered error. This method instructs the target to report informational exception
conditions, dependent on 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 is set to Recovered Error and the additional
sense code indicates the cause of the informational exception condition.
The command that has the Check Condition completes without error before any informational exception
condition may be reported.
4h Unconditionally generate recovered error. This method instructs the target 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 is set to Recovered Error and the additional
sense code indicates the cause of the information exception condition.
The command that has the Check Condition completes without error before any informational exception
condition may be reported.
5h Generate no sense. This method instructs the target to report informational exception conditions by return-
ing a Check Condition status on any command. The sense key is set to No Sense and the additional sense
code indicates the cause of the informational exception condition.
The command that has the Check Condition completes without error before any informational exception
condition may be reported.
6h Only report informational exception condition on request. This method instructs the target to preserve the
informational exception information. To find out about information exception conditions, the application cli-
ent polls the target by issuing an unsolicited Request Sense command. The sense key is set to No Sense
and the additional sense code indicates the cause of the informational exception condition.
7h-Bh Reserved.
Ch-Fh Vendor specific.
158
158
158
158