9.4Miscellaneous operating features and conditions

Table 26 lists various features and conditions. A “Y” in the support column indicates the feature or condition is supported. An “N” in the support column indicates the feature or condition is not supported.

Table 26:

Miscellaneous features

 

 

 

Supported

 

Feature or condition

 

 

 

Y

 

FC-AL selective reset

 

 

 

 

 

N

 

Automatic contingent allegiance

 

 

 

 

 

N

 

Asynchronous event notification

 

 

 

 

 

N

 

Synchronized (locked) spindle operation

 

 

 

 

 

Y

 

Segmented caching

 

 

 

 

 

N

 

Zero latency read

 

 

 

 

 

Y

 

Queue tagging (up to 128 queue tags supported)

 

 

 

 

 

Y

 

Deferred error handling

 

 

 

 

 

Y

 

Parameter rounding (controlled by Round bit in Mode Select page 0)

 

 

 

 

 

Y

 

Reporting actual retry count in Extended Sense bytes 15, 16, and 17

 

 

 

 

 

N

 

Adaptive caching

 

 

 

 

 

Y

 

SMP = 1 in Mode Select command needed to save RPL and rotational offset bytes

 

 

 

 

 

Table 27:

Miscellaneous status

 

 

 

Supported

 

Status

 

 

 

Y

 

Good

 

 

 

 

 

Y

 

Check condition

 

 

 

 

 

Y

 

Condition met/good

 

 

 

 

 

Y

 

Busy

 

 

 

 

 

Y

 

Intermediate/good

 

 

 

 

 

Y

 

Intermediate/condition met/good

 

 

 

 

 

Y

 

Reservation conflict

 

 

 

 

 

Y

 

Task set full

 

 

 

 

 

N

 

ACA active

 

 

 

 

 

N

 

ACA active, faulted initiator

 

 

 

 

 

58

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