1、Information technology Storage management Part 4:Block devices ISO/IEC 2021INTERNATIONAL STANDARDISO/IEC24775-4Reference numberISO/IEC 24775-4:2021(E)Second edition2021-03 ISO/IEC 24775-4:2021(E)ii ISO/IEC 2021 All rights reservedCOPYRIGHT PROTECTED DOCUMENT ISO/IEC 2021All rights reserved.Unless ot
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4、hts reserved iii 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 th
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10、 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 canc
11、els and replaces the first edition(ISO/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 delet
12、ed.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meeting voice vote).Profile versions and related text were updated.(TSG meeting voice vote).Indications have been replaced by DMTF Indications,and all affected clauses update
13、d.(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).iv ISO/IEC 2021 All rights reserved ISO/IEC 24775-4:2021(E)Annex:SMI-S Inf
14、ormation 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 EXPERIMENTAL for these revisions that update profiles to remove SNIA_ classes and use DMTF CIM_ classes in these profiles:Array,Block Services Package,Block Stora
15、ge Views,CKD Block Services,Disk Drive Lite,Sparing,Erasure,Extent Composition,Masking and Mapping,Storage Server Asymmetry,Storage Virtualizer,Storage Element Protection,Replication Services,Pools from Volumes,Group Masking and Mapping,Storage Relocation,Thin Provisioning.Registry of Storage Extent
16、 Discriminators.TSG-SMIS-SCR00316.001 Promoted the changes from Draft to Experimental in SMI-S 1.7.0 for these revisions:Add additional alerts for CIM/block and file classes in these profiles:Array,Block Services Package,Replication Services.XML was changed to CIM-XML(Response to ballot comments)Array Profile(SMIS-170-Draft-SCR00004)Added additional Mandatory Indication Filters to track modification of OperationalStatus and ElementName for the top-level CS.Fixes required for SCR00316 to resolve