CAN CSA-ISO IEC 14776-341-2002 Information technology – Small Computer System Interface-3 (SCSI-3) – Part 341 Controller Commands (SCC).pdf

1、 Information technology Small Computer System Interface-3 (SCSI-3) Part 341:Controller Commands (SCC)Reference numberISO/IEC 14776-341:2000(E)National Standard of CanadaCAN/CSA-ISO/IEC 14776-341:02(ISO/IEC 14776-341:2000)International Standard ISO/IEC 14776-341:2000 (first edition, 2000-06) has been

2、 adopted withoutmodification (IDT) as CSA Standard CAN/CSA-ISO/IEC 14776-341:02, which has been approved as a NationalStandard of Canada by the Standards Council of Canada.ISBN 1-55324-894-5 December 2002The Canadian Standards Association (CSA), The Standards Council of Canada is theunder whose ausp

3、ices this National Standard has been coordinating body of the National Standards system, produced, was chartered in 1919 and accredited by a federation of independent, autonomousthe Standards Council of Canada to the National organizations working towards the furtherStandards system in 1973. It is a

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15、cil of Canadaopen and effective forum for activities facilitating the 270 Albert Street, Suite 200exchange of goods and services through the use of Ottawa, Ontario, K1P 6N7standards, certification and related services to meet Canadanational and international needs.For further information on CSA serv

16、ices, write toCanadian Standards Association5060 Spectrum Way, Suite 100Mississauga, Ontario, L4W 5N6CanadaAlthough the intended primary application of this Standard is stated in its Scope, it is importantto note that it remains the responsibility of the users to judge its suitability for their part

17、icular purpose.Registered trade-mark of Canadian Standards AssociationCAN/CSA-ISO/IEC 14776-341:02 Part 341: Controller Commands (SCC)Information technology Small Computer System Interface-3 (SCSI-3) December 2002 Canadian Standards Association CSA/1CAN/CSA-ISO/IEC 14776-341:02Information technology

18、 SmallComputer System Interface-3(SCSI-3) Part 341: ControllerCommands (SCC)CSA PrefaceStandards development within the Information Technology sector is harmonized with internationalstandards development. Through the CSA Technical Committee on Information Technology (TCIT),Canadians serve as the Can

19、adian Advisory Committee (CAC) on ISO/IEC Joint Technical Committee 1 onInformation Technology (ISO/IEC JTC1) for the Standards Council of Canada (SCC), the ISO memberbody for Canada and sponsor of the Canadian National Committee of the IEC. Also, as a member of theInternational Telecommunication Un

20、ion (ITU), Canada participates in the International Telegraph andTelephone Consultative Committee (ITU-T).This International Standard was reviewed by the CSA TCIT under the jurisdiction of the StrategicSteering Committee on Information Technology and deemed acceptable for use in Canada. (Acommittee

21、membership list is available on request from the CSA Project Manager.) From time to time,ISO/IEC may publish addenda, corrigenda, etc. The CSA TCIT will review these documents for approvaland publication. For a listing, refer to the CSA Information Products catalogue or CSA Info Update orcontact a C

22、SA Sales representative. This Standard has been formally approved, without modification, bythe Technical Committee and has been approved as a National Standard of Canada by the StandardsCouncil of Canada.December 2002 Canadian Standards Association 2002All rights reserved. No part of this publicatio

23、n may be reproduced in any form whatsoever without the prior permissionof the publisher. ISO/IEC material is reprinted with permission. Where the words “this International Standard” appearin the text, they should be interpreted as “this National Standard of Canada”. Inquiries regarding this National

24、 Standard of Canada should be addressed to Canadian Standards Association 5060 Spectrum Way, Suite 100, Mississauga, Ontario, Canada L4W 5N6 1-800-463-6727 416-747-4044www.csa.caINTERNATIONALSTANDARDISO/IEC14776-341First edition2000-06Information technology Small Computer System Interface-3 (SCSI-3)

25、 Part 341:Controller Commands (SCC)Reference numberISO/IEC 14776-341:2000(E)INTERNATIONALSTANDARDISO/IEC14776-341First edition2000-06Information technology Small Computer System Interface-3 (SCSI-3) Part 341:Controller Commands (SCC) ISO/IEC 2000All rights reserved. Unless otherwise specified, no pa

26、rt of this publication may be reproduced or utilized in any form or by anymeans, electronic or mechanical, including photocopying and microfilm, without permission in writing from the publisher.ISO/IEC Copyright Office Case postale 56 CH-1211 Genve 20 SwitzerlandPRICE CODEXBFor price, see current ca

27、talogue14776-341 ISO/IEC:2000(E)ii IS SCSI-3 Controller CommandsPATENT STATEMENTThe International Organization for Standardization (ISO) and International Electrotechnical Commission (IEC) draw attention to the fact that it is claimed that compliance with this InternationalStandard may involve the u

28、se of patents concerning SCC.The ISO and IEC take no position concerning the evidence, validity and scope of this patent right. Theholder of this putative patent right has assured the ISO and IEC that they are willing to negotiate licencesunder reasonable and non-discriminatory terms and conditions

29、with applicants throughout the world.In this respect, the statement of the holder of the putative patent rights is registered with the ISO and IEC.Information may be obtained from:IBM CorporationIntellectual Property Licensing5600 Cottle RoadSan Jose, CA 95153Attention is drawn to the possibility th

30、at some of the elements of this International Standard may be thesubject of patent rights other than those identified above. ISO and IEC shall not be held responsible foridentifying any or all such patent rights.14776-341 ISO/IEC:2000(E)IS SCSI-3 Controller Commands iiiContentsPageForeword xIntroduc

31、tion .xi1 Scope .12 Normative references .12.1 Normative references 12.2 Approved references .12.3 References under development 13 Definitions, symbols, abbreviations, and conventions 13.1 Definitions .13.2 Abbreviations 43.3 Conventions 44 General .65 Models for systems containing arrays of devices

32、 .75.1 General .75.2 System layering model 75.2.1 SACL functions 75.2.2 Protocol conversion layer .85.2.3 Storage array conversion layer (SACL) .95.2.4 Examples of system layering variations .105.2.5 Branch of generic layers 115.2.6 Software SACL with a branch of SCSI disks 125.2.7 Branch with HBA S

33、ACL 135.2.8 Branch with bridge controller SACL .145.2.9 Branch with SACLs in multiple layers 155.3 Model for SCSI-3 storage arrays .165.3.1 SCSI storage array addressing 165.3.1.1 SCSI-3 storage array base address 165.3.1.2 Eight byte LUN structure .165.3.1.3 Component device address method .185.3.1

34、4 Logical unit address method .185.3.1.5 Peripheral device address method 195.3.1.6 Redundancy group address method .205.3.1.7 Spare address method 205.3.1.8 Volume set address method .205.3.2 SCSI-3 storage array objects .215.3.2.1 Adding objects .215.3.2.2 Association of objects .215.3.2.3 Attach

35、ment of objects 215.3.2.4 Covering of objects .225.3.2.5 Exchanging objects .225.3.2.6 Protected objects 225.3.2.7 Removing objects 225.3.2.8 Component device 235.3.2.9 Peripheral device 235.3.2.10 P_extent 235.3.2.11 Ps_extent 235.3.2.12 Redundancy group 245.3.2.12.1 No redundancy method of check d

36、ata mapping .275.3.2.12.2 Copy redundancy method of check data mapping .2714776-341 ISO/IEC:2000(E)iv IS SCSI-3 Controller Commands5.3.2.12.3 XOR or P+Q redundancy method of check data mapping .275.3.2.12.4 Vendor specific redundancy method of check data mapping .275.3.2.13 Spares .275.3.2.14 Volume

37、 sets 285.3.3 SCSI-3 storage array operations 345.3.3.1 Rebuild operation 345.3.3.2 Recalculate operation .345.3.3.3 Regenerate operation .345.3.3.4 Verify operation .345.3.4 SCSI-3 storage array states .345.3.5 SCSI-3 storage array exception conditions 346 Commands for SCSI-3 storage array devices

38、366.1 Commands 366.2 MAINTENANCE(IN) command .376.2.1 MAINTENANCE(IN) command service actions .376.2.1.1 REPORT ASSIGNED/UNASSIGNED P_EXTENT service action 376.2.1.2 REPORT COMPONENT DEVICE service action .406.2.1.3 REPORT COMPONENT DEVICE ATTACHMENTS service 436.2.1.4 REPORT PERIPHERAL DEVICE servi

39、ce action 476.2.1.5 REPORT PERIPHERAL DEVICE ASSOCIATIONS service action 496.2.1.6 REPORT PERIPHERAL DEVICE/COMPONENT DEVICE IDENTIFIER service action 526.2.1.7 REPORT STATES service action .546.3 MAINTENANCE (OUT) commands 626.3.1 MAINTENANCE (OUT) command service actions 626.3.1.1 ADD PERIPHERAL D

40、EVICE/COMPONENT DEVICE service action .636.3.1.2 ATTACH TO COMPONENT DEVICE service action 646.3.1.3 BREAK PERIPHERIAL DEVICE/COMPONENT DEVICE service action .656.3.1.4 EXCHANGE P_EXTENT service action .666.3.1.5 EXCHANGE PERIPHERAL DEVICE/COMPONENT DEVICE service action 686.3.1.6 INSTRUCT COMPONENT

41、 DEVICE service action 696.3.1.7 REMOVE PERIPHERAL DEVICE/COMPONENT DEVICE service action .706.3.1.8 SET PERIPHERAL DEVICE/COMPONENT DEVICE IDENTIFIER service action 716.4 REDUNDANCY GROUP (IN) command .736.4.1 REDUNDANCY GROUP (IN) command service actions .736.4.1.1 REPORT REDUNDANCY GROUPS service

42、 action .736.4.1.2 REPORT UNASSIGNED REDUNDANCY GROUP SPACE service action 776.5 REDUNDANCY GROUP (OUT) command .806.5.1 REDUNDANCY GROUP (OUT) command service actions .806.5.1.1 CONTROL GENERATION OF CHECK DATA service action .816.5.1.2 CREATE/MODIFY REDUNDANCY GROUP service action .826.5.1.3 DELET

43、E REDUNDANCY GROUP service action .856.5.1.4 REBUILD P_EXTENT service action 866.5.1.5 REBUILD PERIPHERAL DEVICE service action .886.5.1.6 RECALCULATE CHECK DATA service action .916.5.1.7 VERIFY CHECK DATA service action 926.6 VOLUME SET (IN) command .956.6.1 VOLUME SET (IN) command service actions

44、956.6.1.1 REPORT VOLUME SETS service action 956.7 VOLUME SET (OUT) command .986.7.1 VOLUME SET (OUT) command service actions .986.7.1.1 CONTROL GENERATION OF CHECK DATA service action .996.7.1.2 CONTROL WRITE OPERATIONS service action 1006.7.1.3 CREATE/MODIFY VOLUME SET service action .1016.7.1.4 D

45、ELETE VOLUME SET service action .1046.7.1.5 RECALCULATE VOLUME SET CHECK DATA service action .1056.7.1.6 VERIFY VOLUME SET CHECK DATA service action 10714776-341 ISO/IEC:2000(E)IS SCSI-3 Controller Commands v6.8 SPARE (IN) command 1116.8.1 SPARE (IN) command service actions 1116.8.1.1 REPORT P_EXTEN

46、T SPARE service action .1116.8.1.2 REPORT PERIPHERAL DEVICE/COMPONENT DEVICE SPARE service action 1146.9 SPARE (OUT) command 1176.9.1 SPARE (OUT) command service actions 1176.9.1.1 CREATE/MODIFY P_EXTENT SPARE service action .1186.9.1.2 CREATE/MODIFY PERIPHERAL DEVICE/COMPONENT DEVICE SPARE service

47、action 1216.9.1.3 DELETE SPARE service action 1226.10 Parameters for direct-access devices 1246.10.1 Mode parameters 1246.10.1.1 LUN mapping page .124Annex A SCSI-3 storage array IDENTIFY message format 126A.1 SCSI-3 storage array IDENTIFY message overview 126A.2 IDENTIFY message 126Annex B SCSI-3 s

48、torage array addressing examples .127B.1 SCSI storage array addressing examples overview .127B.2 Addressing Examples for the 8-byte LUN structure 127B.3 Addressing Examples for the 6-bit LUN structure .130Annex C Examples of check data and user data mappings 132C.1 Example XOR redundancy mapping 132

49、C.2 User data mapping examples .13314776-341 ISO/IEC:2000(E)vi IS SCSI-3 Controller CommandsTablesPage1 Addressing methods within a SCSI-3 storage array .162 Eight byte LUN structure adjustments 173 Eight byte LUN structure 174 FIRST LEVEL ADDRESSING field, SECOND LEVEL ADDRESSING field, THIRD LEVEL ADDRESSING field, and FOURTH LEVEL ADDRESSING field 185 ADDRESS METHOD 186 Logical unit addressing .197 Peripheral device addressing .198 Volume set addressing .209 Commands for SCSI storage array devices .3610 Service actions for MAINTENANCE(IN) comma