SCSI Primary Commands - 2.pdf

T10/1236-D Revision 20 18 July 20017.14.2 COPY STATUS service actionIn response to the COPY STATUS service action, the copy manager shall return the current status of theEXTENDED COPY command (see 7.2) identified by the LIST IDENTIFIER field in the CDB. Table 87 shows theformat of the information returned by the copy manager in response to the COPY STATUS service action. If adevice server supports the EXTENDED COPY command, it shall also support the RECEIVE COPY RESULTScommand with COPY STATUS service action.Table 87 — Parameter data for the COPY STATUS service actionBitByte7 6 5 4 3 2 1 00 (MSB)AVAILABLE DATA (00000008h)3 (LSB)4 HDD STATUS5 (MSB)SEGMENTS PROCESSED6 (LSB)7 TRANSFER COUNT UNITS8 (MSB)TRANSFER COUNT11 (LSB)After completion of an EXTENDED COPY command, the copy manager shall preserve all data returned by aCOPY STATUS service action for a vendor specific period of time. The copy manager shall discard the COPYSTATUS data when:a) a RECIEVE COPY RESULTS command with COPY STATUS service action is received from the sameinitiator with a matching list identifier;b) when another EXTENDED COPY command is received from the same initiator and the list identifiermatches the list identifier associated with the data preserved for the COPY STATUS service action;c) when the copy manager detects a hard reset condition; ord) when the copy manager requires the resources used to preserve the data.The AVAILABLE DATA field shall contain the number of bytes present in the parameter data that follows.The held data discarded (HDD) bit indicates whether held data has been discarded. If HDD is one, held data hasbeen discarded as described in 7.14.4. If HDD is zero, held data has not been discarded.The STATUS field contains the current status of the EXTENDED COPY command identified by the LIST IDENTIFIERfield in the CDB as defined in table 88.Table 88 — COPY STATUS STATUS valuesSTATUS value00h01h02h04h - 7FhMeaningOperation in progressOperation completed without errorsOperation completed with errorsReserved120 dpANS SCSI Primary Commands - 2 (SPC-2)