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SCSI Enclosure Services - 4 (SES-4) InterNational Committee for Information Technology Standards (INCITS) Secretariat: Information Technology Industry Council (ITI) 1101 K Street NW, Suite 610, Washington, DC 20005 www.INCITS.org eb-2019-00413 Document Date: 09/09/2019 To: INCITS Members Reply To: Barbara Bennett Subject: Public Review and Comments Register for the Approval of: INCITS 555-201x - Information technology - SCSI Enclosure Services - 4 (SES-4) Due Date: The public review is from September 20, 2019 to November 19, 2019. The InterNational Committee for Information Technology Standards (INCITS) announces that the Action: subject-referenced document(s) is being circulated for a 60-day public review and comment period. Comments received during this period will be considered and answered. Commenters who have objections/suggestions to this document should so indicate and include their reasons. All comments should be forwarded not later than the date noted above to the following address: INCITS Secretariat/ITI 1101 K Street NW - Suite 610 Washington DC 20005-3922 Email: [email protected] (preferred) This public review also serves as a call for patents and any other pertinent issues (copyrights, trademarks). Correspondence regarding intellectual property rights may be emailed to the INCITS Secretariat at [email protected]. Working Draft Project American National T10/BSR INCITS 555 Standard Revision 3 31 May 2019 Information technology - SCSI Enclosure Services - 4 (SES-4) This is an internal working document of T10, a Technical Committee of Accredited Standards Committee INCITS (International Committee for Information Technology Standards). As such this is not a completed standard and has not been approved. The contents may be modified by the T10 Technical Committee. The contents are actively being modified by T10. This document is made available for review and comment only. Permission is granted to members of INCITS, its technical committees, and their associated task groups to reproduce this document for the purposes of INCITS standardization activities without further permission, provided this notice is included. All other rights are reserved. Any duplication of this document for commercial or for-profit use is strictly prohibited. T10 Technical Editor: Frederick Knight NetApp Inc. 7301 Kit Creek Road P.O. Box 13917 Research Triangle Park, NC 27709 USA Telephone: 919-476-5362 Email: knight at netapp dot com Reference number ISO/IEC 14776-374:201x INCITS 555-201x Printed 6:25 PM Friday 31 May 2019 Points of Contact International Committee for Information Technology Standards (INCITS) T10 Technical Committee T10 Chair T10 Vice-Chair William Martin Curtis Ballard Samsung Semiconductor, Inc Hewlett Packard Enterprise 7213 Marblethorpe Drive 3404 E. Harmony Road Roseville, CA 95747 Fort Collins, Co 80528 USA USA Telephone: 916-765-6875 Telephone: 970-898-3013 Email: bill.martin at samsung dot com Email: curtis.ballard at HPE dot com T10 Web Site: http://www.t10.org INCITS Secretariat Suite 610 1101 K Street, NW Washington, DC 20005-7031 USA Telephone: 202-737-8888 Web site: http://www.incits.org Email: [email protected] Information Technology Industry Council Web site: http://www.itic.org Purchase INCITS Standards Web site: http://www.incits.org/standards-information/purchase-standards-or-download-dpans Working Draft SCSI Enclosure Services - 4 (SES-4) ii American National Standard for Information Technology SCSI Enclosure Services - 4 (SES-4) Secretariat Information Technology Industry Council Approved (not yet approved) American National Standards Institute, Inc. Abstract This standard describes a model for Small Computer System Interface (SCSI) access to services within an enclosure. A SCSI command set is defined for managing various non-SCSI elements contained within the enclosure. This standard maintains a high degree of compatibility with the SCSI Enclosure Services - 3 (SES-3) command set, INCITS 518-2017, and while providing additional functions, is not intended to require changes to presently installed devices or existing software. Working Draft SCSI Enclosure Services - 4 (SES-4) iii T10/BSR INCITS 555 Revision 3 31 May 2019 American Approval of an American National Standard requires review by ANSI that the requirements for due process, consensus, and other criteria for approval have been met by the standards National developer. Consensus is established when, in the judgement of the ANSI Board of Standards Review, Standard substantial agreement has been reached by directly and materially affected interests. Substantial agreement means much more than a simple majority, but not necessarily unanimity. Consensus requires that all views and objections be considered, and that a concerted effort be made towards their resolution. The use of American National Standards is completely voluntary; their existence does not in any respect preclude anyone, whether he has approved the standards or not, from manufacturing, marketing, purchasing, or using products, processes, or procedures not conforming to the standards. The American National Standards Institute does not develop standards and will in no circumstances give an interpretation of any American National Standard. Moreover, no person shall have the right or authority to issue an interpretation of an American National Standard in the name of the American National Standards Institute. Requests for interpretations should be addressed to the secretariat or sponsor whose name appears on the title page of this standard. CAUTION NOTICE: This American National Standard may be revised or withdrawn at any time. The procedures of the American National Standards Institute require that action be taken periodically to reaffirm, revise, or withdraw this standard. Purchasers of American National Standards may receive current information on all standards by calling or writing the American National Standards Institute. CAUTION: The developers of this standard have requested that holders of patents that may be required for the implementation of the standard disclose such patents to the publisher. However, neither the developers nor the publisher have undertaken a patent search in order to identify which, if any, patents may apply to this standard. As of the date of publication of this standard and following calls for the identification of patents that may be required for the implementation of the standard, no such claims have been made. No further patent search is conducted by the developer or the publisher in respect to any standard it processes. No representation is made or implied that licenses are not required to avoid infringement in the use of this standard. Published by American National Standards Institute, Inc. 25 West 43rd Street, New York, NY 10036 Copyright © 20179 by Information Technology Industry Council (ITI) All rights reserved. No part of this publication may be reproduced in any form, in an electronic retrieval system or otherwise, without prior written permission of ITI, 1101 K Street NW, Suite 610, Washington, DC 20005. Printed in the United States of America iv Working Draft SCSI Enclosure Services - 4 (SES-4) 31 May 2019 T10/BSR INCITS 555 Revision 3 Revision Information 0.1 Revision 0 (22 June 2017) Based on SES-3r14. 0.2 Revision 1 (7 Aug 2017) Incorporate the following change per the July 2017 CAP WG: 17-051r4 - SES-4 Application provided temperature - Ballard 17-104r2 - SES-4 Maximum Operating Temperature - Ballard 0.3 Revision 2 (13 Sep 2018) Incorporate the following change per the November 2017 CAP WG: 17-144r3 - SES-4 INVOP errata - Breher Incorporate the following change per the May 2018 CAP WG: 18-047r1 - SES-4 Request Controller Reset - Ballard Incorporate the following change per the July 2018 CAP WG: 18-055r3 - SPC-5 Download Microcode Status - Ballard 0.4 Revision 2 (31 May 2019) Incorporate changes from RFC ballot review. Working Draft SCSI Enclosure Services - 4 (SES-4) v T10/BSR INCITS 555 Revision 3 31 May 2019 Contents Page 1 Scope . 1 2 Normative references . 2 3 Definitions, symbols, abbreviations, and conventions . 4 3.1 Terms and Definitions . 4 3.2 Symbols and abbreviations . 8 3.2.1 Abbreviations . 8 3.2.2 Units. 9 3.2.3 Mathematical operators . 9 3.3 Keywords. 9 3.4 Editorial conventions . 10 3.5 Numeric and character conventions . 11 3.5.1 Numeric conventions . 11 3.5.2 Units of measure . 12 3.5.3 Byte encoded character strings conventions . 13 3.6 Bit and byte ordering . 13 3.7 Data field requirements . 16 3.7.1 ASCII data field requirements . 16 4 SCSI enclosure services model. 17 4.1 Access to the enclosure services process. 17 4.1.1 Access to the enclosure services process overview . 17 4.1.2 Standalone enclosure services process . 17 4.1.3 Attached enclosure services process . 18 4.2 Management of indicators and controls. 19 4.3 Subenclosures. 20 4.3.1 Subenclosures overview . 20 4.3.2 Generation code . 21 4.3.3 Simple subenclosures . 22 4.3.4 Multiple enclosure services processes in a subenclosure . 23 4.4 Use of the Enclosure Busy diagnostic page . 23 4.5 Invalid field errors . 23 4.6 Thresholds. 24 4.7 Reporting methods . 25 4.7.1 Reporting methods overview . 25 4.7.2 Polling . 25 4.7.3 Timed completion function . 25 4.7.4 CHECK CONDITION status. 25 4.7.5 Asynchronous event notification . 25 4.8 Additional sense codes . 26 5 Commands for enclosure services peripheral devices. 27 6 Parameters for enclosure services devices . ..
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