Hitachi HUS154530VLF400 User Manual

Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification

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This field contains information describing only the protocol failures detected during the execution of an IOP. 

The content of the RSP_CODE field is defined below. 

This field contains the Sense information specified by SCSI (see 22.1, “SCSI Sense Data Format”, on page 349). 

FCP_SNS_INFO is only returned if the SCSI Status byte in the FCP_STATUS field is set to CHECK CONDITION status. 
Refer to 18.5.3, “Autosense”, on page 113 for more details.   

Task Attributes are specified in the Task Codes field of the FCP_CMND IU. They apply only to the SCSI command contained 
within the FCP_CDB field and are ignored if any of the Task Management function flags are set. 

A task shall have one of the following attributes: 

 

This attribute specifies that the task shall be accepted into the task set and executed after tasks with the Head of 
Queue attribute and tasks with the Ordered attribute that were received earlier. The order of execution, with respect to 
other tasks with the Simple attribute, is determined by the Queue Algorithm currently in effect. Refer to the Queue 
Algorithm Modifier field in 19.10.9, “Mode Page 0A (Control Mode Page Parameters)”, on page 186. 

 

This attribute specifies that the task shall be accepted into the task set and executed next. Successive tasks received 
with Head of Queue attribute will be executed in LIFO order. 

Reserved 3 

RSP_CODE 1 

No Failure (Function Complete) 

FCP_DATA length different from BURST_LEN 

FCP_CMND Fields Invalid 

FCP_DATA_RO mismatch with FCP_XFER_RDY DATA_RO 

Function Rejected 

Service Delivery or Target Failure 

Reserved