Seagate SCSI Interface Product Manual page 161

SCSI Interface Product Manual, Rev. J
[4] A Test bit of one instructs the drive to create false drive failure(s) at the next interval time, provided that the
DExcpt bit is not set. The MRIE and Report Count fields apply as specified in this document. A false drive
failure will be reported as sense code/qualifier 5DFF (FF for false failure versus a true failure 5D00). A
Test bit of zero instructs the drive to not generate any false drive failure notifications.
[5] The Log Errors (LogErr) bit of zero indicates that the logging of informational exception conditions within a
target is vendor specific. A LogErr bit of one indicates the target shall log informational exception condi-
tions.
[6] The Method of Reporting Informational Exceptions (MRIE) field indicates the methods that shall be used
by the target to report informational exception conditions (see Table 103). The priority of reporting multiple
information exceptions is vendor specific.
[7] The Interval Timer field indicates the period in 100 millisecond increments for reporting that an informa-
tional exception condition has occurred. The target shall not report informational exception conditions
more frequently than the time specified by the Interval Timer field and as soon as possible after the timer
interval has elapsed. After the informational exception condition has been reported, the interval timer shall
be restarted. A value of zero in the Interval Timer field indicates that the target shall only report the infor-
mational exception condition one time. A value of FFFFFFFFh in the Interval Timer field shall indicate the
timer interval is vendor specific. If the method of reporting informational exceptions field has a value of six,
then the Interval Timer field is ignored.
[8] The Report Count field indicates the number of times to report an informational exception condition to the
application client. A value of zero in the Report Count field indicates there is no limit on the number of
times the target shall report an informational exception condition.
[9] The maintaining of the Interval Timer and the Report Count after power cycles and/or resets by the target
shall be vendor specific. [Seagate: A predicted failure is preserved through resets and power cycles. The
count of how many informational exception conditions that were reported by the target to any initiator is
cleared by a reset of power cycle.]
[10] See individual drive's Product Manual, Volume 1, Mode Sense Data section, for a table showing codes
that indicate which of these bits are changeable by the host using the Mode Select command.
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