INTERNATIONAL ISO/IEC STANDARD 24775-4 Second edition 2021-03 Information technology - Storage management - Part 4: Block devices Reference number IEC IS0/IEC24775-4:2021(E) os1 @IS0/IEC 2021 IS0/IEC 24775-4:2021(E) COPYRIGHT PROTECTED DOCUMENT IS0/IEC2021 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting below or Iso's member body in the country of the requester. ISO copyright office CP 40i : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +4122 749 01 11 Email: [email protected] Website: www.iso.org Published in Switzerland ii @ IS0/IEC 2021 - All rights reserved IS0/IEC 24775-4:2021(E) Foreword Iso (the International Organization for Standardization) and IEC (the International Electrotechnical Commission) form the specialized system for worldwide standardization. National bodies that are members of IsO or IEC participate in the development of International Standards through technical committees established by the respective organization to deal with particular fields of technical activity ISso and IEC technical committees collaborate in fields of mutual interest. Other international organizations, governmental and non-governmental, in liaison with Iso and IEC, also take part in the work. The procedures used to develop this document and those intended for its further maintenance are described in the Iso/IEC Directives, Part 1. In particular, the different approval criteria needed for the different types of document should be noted (see www.iso.org/directives). Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO and IEC shall not be held responsible for identifying any or all such patent rights. Details of any patent rights identified during the development of the document will be in the Introduction and/or on the ISo list of patent declarations received (see www.iso.org/patents) or the IEC list of patent declarations received (see http://patents.iec.ch). Any trade name used in this document is information given for the convenience of users and does not constitute an endorsement. For an explanation of the voluntary nature of standards, the meaning of IsO specific terms and expressions related to conformity assessment, as well as information about Iso's adherence to the World TradeOrganization(WTO) principlesintheTechnical BarrierstoTrade(TBT), see www.iso.org/iso/foreword.html. This document was prepared by SNIA (as Storage Management Technical Specification, Part 4 Block Devices, Version 1.8.0, Revision 5) and drafted in accordance with its editorial rules. It was adopted, under the JTC 1 PAS procedure, by Joint Technical Committee ISO/IEC JTC 1, Information technology. This second edition cancels and replaces the first edition (IS0/IEC 24775-4:2014), which has been technically revised. The main changes compared to the previous edition are as follows: USAGE text was revised to address code (now included in the front matter for all SNIA specifications) All recipes and their references were deleted. Instances of subprofile were changed to profile. In the annex, instances of subprofile were changed to component profile (TSG meeting voice vote). Profile versions and related text were updated. (TSG meeting voice vote). Indications have been replaced by DMTF Indications, and all affected clauses updated. (TSG meeting voice vote). Instances of Experimental within profiles already labeled as Experimental were removed to avoid confusion and redundancy. (Editorial change) CIM/XML was changed to CIM-XML (Response to ballot comments). IS0/IEC 2021- All rights reserved iii IS0/IEC 24775-4:2021(E) -Annex: SMI-S Information Model. -The CIM schema version was changed to 2.51 for V1.8.0 Rev3. TSG-SMIS-SCR00315.001 Promoted the maturity level from DRAFT to EXPERIM