1、BSI Standards Publication BS ISO/IEC 24775-4:2014 Information technology Storage management Part 4: Block devicesBS ISO/IEC 24775-4:2014 BRITISH STANDARD National foreword This British Standard is the UK implementation of ISO/IEC 24775-4:2014. The UK participation in its preparation was entrusted to
2、 Technical Committee ICT/-/1, Information systems co-ordination. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct applicati
3、on. The British Standards Institution 2014. Published by BSI Standards Limited 2014 ISBN 978 0 580 84211 5 ICS 35.200 Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of the Standards Policy and Strategy Committ
4、ee on 30 November 2014. Amendments issued since publication Date Text affectedBS ISO/IEC 24775-4:2014Edition 1.0 2014-10 ISO/IEC 24775-4 INTERNATIONAL STANDARD Information technology Storage management Part 4: Block devices ISO/IEC 24775-4:2014-10(en) colour insideBS ISO/IEC 24775-4:2014THIS PUBLICA
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12、ditional languages. Also known as the International Electrotechnical Vocabulary (IEV) online. IEC Glossary - std.iec.ch/glossary More than 55 000 electrotechnical terminology entries in English and French extracted from the Terms and Definitions clause of IEC publications issued since 2002. Some ent
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14、IEC 24775-4 Edition 1.0 2014-10 INTERNATIONAL STANDARD Information technology Storage management Part 4: Block devices INTERNATIONAL ELECTROTECHNICAL COMMISSION H ICS 35.200 PRICE CODE ISBN 978-2-8322-1896-9 Warning! Make sure that you obtained this publication from an authorized distributor. colour
15、 insideBS ISO/IEC 24775-4:2014 - 2 - ISO/IEC 24775-4:2014 ISO/IEC 2014 Contents FOREWORD 41 Introduction 43 1 Scope 45 2 Normative References. 45 3 Terms and definitions 45 4 Typographical Conventions. 46 4.1 Maturity Model. 46 4.2 Experimental Maturity Level 46 4.3 Implemented Maturity Level 46 4.4
16、 Stable Maturity Level. 47 4.5 Finalized Maturity Level 47 4.6 Deprecated Material 47 5 Array Profile. 49 5.1 Description 49 5.2 Health and Fault Management 51 5.3 Cascading Considerations 51 5.4 Supported Subprofiles and Packages. 51 5.5 Methods of the Profile . 52 5.6 Client Considerations and Rec
17、ipes . 52 5.7 Registered Name and Version 52 5.8 CIM Elements 53 5.8.1 General 53 5.8.2 CIM_ComputerSystem (Top Level System) 54 5.8.3 CIM_FilterCollection (Array Predefined FilterCollection). 54 5.8.4 CIM_HostedCollection (Array to predefined FilterCollection) 55 5.8.5 CIM_IndicationFilter (Array S
18、ystem Creation). 55 5.8.6 CIM_IndicationFilter (Array System Deletion) . 56 5.8.7 CIM_MemberOfCollection (Predefined Filter Collection to Array Filters) 57 5.8.8 CIM_ProtocolControllerForUnit (Arbitrary LU for All LUNs View) 57 5.8.9 CIM_ProtocolControllerForUnit (Storage volumes for All LUNs View)
19、58 5.8.10 CIM_SCSIArbitraryLogicalUnit (Arbitrary LU) 58 5.8.11 CIM_SCSIProtocolController (All LUNs View). 59 5.8.12 CIM_SystemDevice (System to SCSIArbitraryLogicalUnit). 59 5.8.13 CIM_SystemDevice (System to SCSIProtocolController) . 59 6 Block Services Package 61 6.1 Description 61 6.1.1 General
20、 61 6.1.2 Storage Capacity States 61 6.1.3 StoragePools. 62 6.1.4 Blocks, Metadata, and Capacity Reported 62 6.1.5 StoragePool Management Instance Diagram 63 6.1.6 StoragePool, StorageVolume and LogicalDisk Manipulation 63 6.1.7 Declaring Storage Configuration Options 66 6.1.8 StorageVolume Creation
21、 Instance Diagram 70 6.1.9 Backward Compatibility . 70 6.1.10 Capacity Management. 71 6.1.11 Mapping of RAID levels to Data Redundancy and Package Redundancy 73 6.1.12 Storage Setting Associations to Storage Capabilities . 74 6.1.13 The Usage Property 74 6.1.14 Read-Only Model Requirements . 75 6.1.
22、15 StorageExtent Conservation 76 6.1.16 Formulas For Calculating Capacity . 80BS ISO/IEC 24775-4:2014 ISO/IEC 24775-4:2014 ISO/IEC 2014 - 3 - 6.1.17 Storage Element Manipulation 81 6.1.18 Block Services Predefined Indications 82 6.2 Health and Fault Management Considerations. 84 6.3 Cascading Consid
23、erations 84 6.4 Supported Profile, Subprofiles and Packages. 84 6.5 Methods of this Profile. 84 6.5.1 Extrinsic Methods on StorageCapabilities. 84 6.5.2 Intrinsic Methods on StorageSetting 87 6.5.3 Extrinsic Methods on StorageConfiguration 87 6.5.4 Extrinsic Methods on StoragePool 93 6.6 Client Cons
24、iderations and Recipes . 99 6.6.1 Representative Instance Diagram . 99 6.6.2 Goals and Settings 99 6.6.3 Representative StoragePool Creation Example 100 6.6.4 Representative example of StorageVolume or LogicalDisk Creation 102 6.6.5 Summarize the StoragePools in a block storage system and verify the
25、 capacity reported . 105 6.6.6 Conditional: Create StoragePool and Storage Element on Block Server (e.g., Array or Volume Manager) . 106 6.6.7 Conditional: Expand Storage Element on Block Server 114 6.6.8 Conditional: Create Storage Element from Elements on Block Server . 119 6.6.9 Optional: Intenti
26、onally General a CIM Error. 125 6.7 Registered Name and Version 126 6.8 CIM Elements 126 6.8.1 General 126 6.8.2 CIM_AllocatedFromStoragePool (Pool from Pool) 132 6.8.3 CIM_AllocatedFromStoragePool (Volume or LogicalDisk from Pool) . 132 6.8.4 CIM_ElementCapabilities (EnabledLogicalElementCapabiliti
27、es to StorageVolume or LogicalDisk) . 133 6.8.5 CIM_ElementCapabilities (EnabledLogicalElementCapabilities to StoragePool) 133 6.8.6 CIM_ElementCapabilities (StorageCapabilities to StorageConfigurationService)133 6.8.7 CIM_ElementCapabilities (StorageCapabilities to StoragePool). 134 6.8.8 CIM_Eleme
28、ntCapabilities (StorageConfigurationCapabilities to StorageConfigurationService) 134 6.8.9 CIM_ElementCapabilities (StorageConfigurationCapabilities to concrete StoragePool) . 134 6.8.10 CIM_ElementCapabilities (StorageConfigurationCapabilities to primordial StoragePool) . 135 6.8.11 CIM_ElementCapa
29、bilities (Used to declare the naming capabilities of the StoragePool) 135 6.8.12 CIM_ElementCapabilities (Used to declare the naming capabilities of the StorageVolume or LogicalDisk) . 136 6.8.13 CIM_ElementSettingData 136 6.8.14 CIM_EnabledLogicalElementCapabilities (For StorageConfigurationService
30、) 136 6.8.15 CIM_EnabledLogicalElementCapabilities (For StoragePool) 137 6.8.16 CIM_FilterCollection (Block Services Predefined FilterCollection) 138 6.8.17 CIM_HostedCollection (System to predefined IndicationFilters) . 138 6.8.18 CIM_HostedService. 138 6.8.19 CIM_HostedStoragePool. 139 6.8.20 CIM_
31、IndicationFilter (Logical Disk Creation) . 139 6.8.21 CIM_IndicationFilter (Logical Disk Deletion) 140 6.8.22 CIM_IndicationFilter (Logical Disk OperationalStatus) 141 6.8.23 CIM_IndicationFilter (Storage Pool Creation) 142 6.8.24 CIM_IndicationFilter (Storage Pool Deletion) 142 6.8.25 CIM_Indicatio
32、nFilter (Storage Pool TotalManagedSpace) 143BS ISO/IEC 24775-4:2014 - 4 - ISO/IEC 24775-4:2014 ISO/IEC 2014 6.8.26 CIM_IndicationFilter (Storage Volume Creation). 144 6.8.27 CIM_IndicationFilter (Storage Volume Deletion) . 145 6.8.28 CIM_IndicationFilter (Storage Volume OperationalStatus) 146 6.8.29
33、 CIM_IndicationFilter (WQL Logical Disk OperationalStatus). 147 6.8.30 CIM_IndicationFilter (WQL Storage Volume OperationalStatus) 148 6.8.31 CIM_LogicalDisk 149 6.8.32 CIM_MemberOfCollection (Block Services Filter Collection to FilterCollection) 150 6.8.33 CIM_MemberOfCollection (Predefined Filter
34、Collection to Block Services Filters) . 150 6.8.34 CIM_OwningJobElement. 151 6.8.35 CIM_StorageCapabilities. 151 6.8.36 CIM_StorageConfigurationCapabilities (Concrete) . 153 6.8.37 CIM_StorageConfigurationCapabilities (Global) 154 6.8.38 CIM_StorageConfigurationCapabilities (Primordial) 155 6.8.39 C
35、IM_StorageConfigurationService 156 6.8.40 CIM_StoragePool (Concrete) 156 6.8.41 CIM_StoragePool (Empty). 157 6.8.42 CIM_StoragePool (Primordial). 158 6.8.43 CIM_StorageSetting 158 6.8.44 CIM_StorageSettingWithHints. 160 6.8.45 CIM_StorageSettingsAssociatedToCapabilities 161 6.8.46 CIM_StorageSetting
36、sGeneratedFromCapabilities 162 6.8.47 CIM_StorageVolume . 162 6.8.48 CIM_SystemDevice (System to StorageVolume or LogicalDisk) 163 6.8.49 SNIA_StorageVolume . 164 7 Block Storage Views Profile 166 7.1 Description 166 7.1.1 Synopsis 166 7.1.2 Overview 166 7.1.3 Class Diagram for SNIA View Classes 168
37、 7.1.4 Implementation 169 7.2 Health and Fault Management Consideration. 182 7.3 Cascading Considerations 182 7.4 Supported Profiles, Subprofiles, and Packages 182 7.5 Methods of the Profile .182 7.5.1 Extrinsic Methods of the Profile. 182 7.5.2 Intrinsic Methods of the Profile 182 7.6 Client Consid
38、erations and Recipes . 183 7.6.1 Use Cases. 183 7.6.2 Recipes 186 7.7 CIM Elements 186 7.7.1 General 186 7.7.2 CIM_ElementCapabilities (View Capabilities) . 191 7.7.3 SNIA_AllocatedFromStoragePoolView (StoragePoolView to StoragePool) 191 7.7.4 SNIA_AllocatedFromStoragePoolView (Volume to StoragePool
39、View) . 192 7.7.5 SNIA_AllocatedFromStoragePoolView (VolumeView to StoragePool) . 192 7.7.6 SNIA_AllocatedFromStoragePoolViewView (PoolView to PoolView) . 193 7.7.7 SNIA_AllocatedFromStoragePoolViewView (VolumeView to PoolView) 194 7.7.8 SNIA_BaseInstance (DiskDrive) 194 7.7.9 SNIA_BaseInstance (Sto
40、rageSetting) . 194 7.7.10 SNIA_BaseInstance (Volume). 195 7.7.11 SNIA_BasedOnView (ExtentOnDriveExtent) 195 7.7.12 SNIA_BasedOnView (VolumeOnExtent). 196 7.7.13 SNIA_ConcreteComponentView . 196 7.7.14 SNIA_ContainerView. 197BS ISO/IEC 24775-4:2014 ISO/IEC 24775-4:2014 ISO/IEC 2014 - 5 - 7.7.15 SNIA_
41、DiskDriveView. 197 7.7.16 SNIA_DriveComponentViewView 199 7.7.17 SNIA_ElementStatisticalDataView (DiskDriveView) 200 7.7.18 SNIA_ElementStatisticalDataView (VolumeView). 200 7.7.19 SNIA_ExposedView 200 7.7.20 SNIA_ExtentComponentView 201 7.7.21 SNIA_HostedStoragePoolView . 201 7.7.22 SNIA_MappingPro
42、tocolControllerView 202 7.7.23 SNIA_MaskingMappingView . 203 7.7.24 SNIA_ProtocolControllerForUnitView 204 7.7.25 SNIA_ReplicaPairView 205 7.7.26 SNIA_StoragePoolView. 208 7.7.27 SNIA_SystemDeviceView (DiskDriveViews). 210 7.7.28 SNIA_SystemDeviceView (MappingProtocolControllerViews) 210 7.7.29 SNIA
43、_SystemDeviceView (ReplicaPairViews) 211 7.7.30 SNIA_SystemDeviceView (VolumeViews) 211 7.7.31 SNIA_ViewCapabilities 211 7.7.32 SNIA_VolumeView 212 8 Block Server Performance Subprofile . 216 8.1 Description 216 8.1.1 Synopsis 216 8.1.2 Overview 216 8.2 Implementation 218 8.2.1 Performance Additions
44、 Overview 218 8.2.2 Performance Additions to base Array Profile. 221 8.2.3 Performance Additions to base Storage Virtualizer Profile 222 8.2.4 Performance Additions to base Volume Management Profile. 225 8.2.5 Summary of BlockStorageStatisticsData support by Profile 227 8.2.6 Server Profile Support
45、for the Block Server Performance Subprofile 227 8.2.7 Default Manifest Collection 227 8.2.8 Performance Additions applied to Multiple Computer Systems. 228 8.2.9 Performance Additions to Backend Ports 229 8.2.10 Performance Additions to Extent Composition 231 8.2.11 Performance Additions to Disk Dri
46、ves. 232 8.2.12 Performance Additions to SCSIArbitraryLogicalUnits (Controller LUNs). 233 8.2.13 Performance Additions for Remote Mirrors 234 8.2.14 Client Defined Manifest Collections. 234 8.2.15 Capabilities Support for Block Server Performance Subprofile. 237 8.3 Health and Fault Management Consi
47、derations. 238 8.4 Cascading Considerations 238 8.5 Supported Subprofiles and Packages. 238 8.6 Methods of the Profile .238 8.6.1 Extrinsic Methods of the Profile. 238 8.6.2 Intrinsic Methods of the Profile 243 8.7 Client Considerations and Recipes . 245 8.7.1 Bulk Performance Statistics Gathering 2
48、45 8.7.2 Building an Object Map of Metered Elements . 254 8.7.3 Retrieving Statistics for a Specific Volume 263 8.7.4 Summary of Statistics Support by Element . 267 8.7.5 Formulas and Calculations 268 8.7.6 Block Server Performance Supported Capabilities Patterns. 269 8.7.7 Correlation of Block Stor
49、age Statistics and Fabric Statistics. 270 8.8 CIM Elements 270 8.8.1 General 270BS ISO/IEC 24775-4:2014 - 6 - ISO/IEC 24775-4:2014 ISO/IEC 2014 8.8.2 CIM_AssociatedBlockStatisticsManifestCollection (Client defined collection) 273 8.8.3 CIM_AssociatedBlockStatisticsManifestCollection (Provider defined collection) 273 8.8.4 CIM_BlockStatisticsCapabilities 274 8.8.5 CIM_BlockStatisticsManifest (Client Defined) . 275 8.8.6 CIM_BlockStatisticsManifest (Provider Support). 276 8.8.7 CIM_BlockStatisticsManifestCollection (Client Defined) . 277 8.8.8 CIM_BlockStatisticsMan
