Dell MD3620F, MD3600f owner manual Storage Partitioning, 137

Page 137

Storage Partitioning

A storage partition is a logical entity consisting of one or more virtual disks that can be accessed by a single host or shared among hosts that are part of a host group. The first time you map a virtual disk to a specific host or host group, a storage partition is created. Subsequent virtual disk mappings to that host or host group do not create another storage partition.

One storage partition is sufficient if:

•Only one attached host accesses all of the virtual disks in the storage array.

•All attached hosts share access to all of the virtual disks in the storage array.

When you choose this type of configuration, all of the hosts must have the same operating system and special software (such as clustering software) to manage virtual disk sharing and accessibility.

More than one storage partition is required if:

•Specific hosts must access specific virtual disks in the storage array.

•Hosts with different operating systems are attached to the same storage array. In this case, a storage partition is created for each host type.

You can use the Storage Partitioning wizard to define a single storage partition. The Storage Partitioning wizard guides you through the major steps required to specify which host groups, hosts, virtual disks, and associated logical unit numbers (LUNs) are to be included in the storage partition.

Storage partitioning fails when:

•All mappings are defined.

•You create a mapping for a host group that conflicts with an established mapping for a host in the host group.

•You create a mapping for a host in a host group that conflicts with an established mapping for the host group.

Configuration: Disk Groups and Virtual Disks

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Contents Dell PowerVault MD3600f and MD3620f Storage Arrays Dell Inc Contents Planning MD3600f Series Storage Array Terms and Concepts Cache Functions and FeaturesVirtual Disk Operations Limit Configuring Alert Notifications Configuring E-mail Alerts Configuration About YourMoving a Host to a Different Host Group Enabling or Disabling the Event MonitorStarting or Stopping the Host Context Agent Managing Host Port Identifiers111 101112 120136 132137 138148 146152 157171 Types of Virtual Disk Copies 170172 Virtual Disk Copy Restrictions 173178 Storage Array Performance DuringStopping a Virtual Disk Copy 179 Preparing Host Servers to Recopy a 180Virtual Disk Expansion With 189 219 Configuration Device MapperRemoving the Front Bezel 242 Installing the Front Bezel Using DM Multipathing Devices 220228 Downloading RAID Controller243 Power Supply/Cooling Fan Module 257249 255271 Viewing the Firmware Inventory274 275Safety First-For You and Your Array 295 Recovering From an Unresponsive Storage 284Troubleshooting an SFP Transceiver 295 Troubleshooting Power Supply/Cooling 298311 Contents About This Document IntroductionMD3600f Series Storage Array Dell PowerVault Modular Disk Storage ManagerOther Information You May Need Introduction Overview Planning About Your Storage ArrayFront-Panel Features and Indicators Hardware FeaturesPlanning About Your Storage Array Item Indicator, Button, or Icon Description Connector Back Panel Features and Indicators Hard Drive Indicators Hard-Drive Indicator PatternsDrive-Status Indicator Pattern Condition Power Supply and Cooling Fan FeaturesPower Indicator Codes and Features RAID Controller Modules Planning RAID Controller ModulesFunction RAID Controller Module Connectors and FeaturesComponent Function Host Channel LED Link/Rate Indications RAID Controller Module-Additional FeaturesBattery Backup Unit System Password Reset Cache Functions and FeaturesStorage Array Thermal Shutdown Cache MirroringWrite-Through Cache SFP Transceivers, Fiber Optic, and SAS CablesWrite-Back Cache Fiber Optic Cable Connection Interoperability of 2 Gbps, 4 Gbps, and 8 Gbps Devices Physical Disks, Virtual Disks, and Disk Groups Planning MD3600f Series Storage Array Terms and ConceptsPhysical Disk States Physical DisksVirtual Disks and Disk Groups Self-Monitoring Analysis and Reporting TechnologyRAID Controller Virtual Disk States Description Virtual Disk StatesRAID Level Usage RAID LevelsRAID Virtual Disk Initialization Segment SizeVirtual Disk Operations Foreground Initialization Background InitializationConsistency Check Media VerificationVirtual Disk Operations Limit Cycle TimeSegment Size Migration Disk Group OperationsRAID Level Migration Disk Group Expansion Virtual Disk Capacity ExpansionDisk Group Defragmentation Disk Group Operations LimitRAID Background Operations Priority Disk Migration Virtual Disk Migration and Disk RoamingPlanning MD3600f Series Storage Array Terms and Concepts Host Server-to-Virtual Disk Mapping Advanced FeaturesDisk Roaming Snapshot Virtual Disks Host TypesVirtual Disk Copy Snapshot Repository Virtual DiskTarget Virtual Disk Virtual Disk RecoverySource Virtual Disk Preferred and Alternate Controllers and Paths Using Snapshot and Disk Copy TogetherMulti-Path Software Virtual Disk Ownership Load BalancingMonitoring MD3600f Series System Performance Planning MD3600f Series Storage Array Terms and Concepts Performance Monitor Table Description Column Headings Planning MD3600f Series Storage Array Terms and Concepts User Interface Configuration OverviewEnterprise Management Window Array Management Window Inheriting the System SettingsConfiguration Overview In-Band Management Out-of-Band ManagementAdding Storage Arrays Storage ArraysSelect Edit→ Add Storage Array Automatic Discovery of Storage ArraysManual Addition of a Storage Array Setting Up Your Storage Array Naming or Renaming Storage Arrays Locating Storage ArraysAMW, select Storage Array→ Blink→ Storage Array Stop All IndicationsName/Rename Storage Arrays dialog is displayed AMW Setup tab, select Rename Storage ArrayType the New password Setting a PasswordViewing Storage Array Connections Password GuidelinesRemoving Storage Arrays Adding/Editing a Comment to an Existing Storage ArraySelect Edit→ Comment Select Edit→ Remove→ Storage ArrayFailover Alert Display Enabling Premium FeaturesChange→ Enclosure ID Changing the Cache Settings on the Storage ArrayChanging Expansion Enclosure ID Number Select Configure Alerts Configuring Alert NotificationsChanging the Enclosure Order in the Physical Pane AMW, select Storage Array→ Change→ Enclosure OrderConfiguring E-mail Alerts Configuration About Your Storage Array Configuring Snmp Alerts Configuration About Your Storage Array Battery Settings Setting the Storage Array RAID Controller Module Clocks Configuration Event Monitor Windows Enabling or Disabling the Event MonitorLinux Select Action→ PropertiesConfiguring Host Access Configuration About Your HostDefining a Host Using the Mappings TabSelect Mappings→ Define→ Host Select Mappings→ Remove Removing Host AccessManaging Host Groups Select Mappings→ Define→ Host Group Creating a Host GroupAdding a Host to a Host Group Removing a Host From a Host GroupSelect Mappings→ Move Moving a Host to a Different Host GroupRemoving a Host Group Linux Host TopologyStarting or Stopping the Host Context Agent Click Action→ Start Data Path ProtectionWindows Managing Host Port Identifiers Add Host Port Identifier dialog is displayed Configuration About Your Host 100 101 Creating Disk Groups and Virtual Disks102 Creating Disk GroupsIntroduction Create Disk Group window is displayed 103 104 Locating a Disk GroupCreating Virtual Disks 105 106 Map later Using Mappings ViewChanging the Virtual Disk Modification Priority 107 Changing the Virtual Disk Cache Settings108 109 Changing the Segment Size of a Virtual Disk110 Changing the I/O TypeSelect Virtual Disk→ Change→ Segment Size 111 Choosing an Appropriate Physical Disk TypeFile system typical Database Multimedia Custom 112 Physical Disk Security With Self Encrypting Disk113 Shows how to interpret the security status of a disk group114 Creating a Security Key115 Click Create Key116 Changing a Security Key117 Saving a Security KeyClick Change Key 118 Validate Security Key119 Unlocking Secure Physical DisksErasing Secure Physical Disks 120 Configuring Hot Spare Physical DisksSelect Physical disk→ Hot Spare Coverage 121 Hot Spare Physical Disk Options window is displayedClick Unassign Global Hot Spares Hot Spares and RebuildHot Spare Operation 122123 Enclosure Loss ProtectionHot Spare Drive Protection Criteria for Enclosure Loss Protection RAID Level 124125 Host-to-Virtual Disk Mapping126 Creating Host-to-Virtual Disk Mappings127 Modifying and Removing Host-to-Virtual Disk MappingMapping 128 Changing Controller Ownership of the Virtual Disk129 Removing Host-to-Virtual Disk MappingSelect Virtual Disk→ Change→ Ownership/Preferred Path 130 Changing the RAID Level of a Disk GroupSelect Disk Group→ Change→ Ownership/Preferred Path 131 Removing a Host-to-Virtual Disk Mapping Using Linux DmmpSelect Disk Group→ Change→ RAID Level Mapping Restrictions Operating System Highest LUN Restricted Mappings132 133 134 135 136 Changing the RAID Level of a Disk Group137 Storage Partitioning138 Disk Group and Virtual Disk ExpansionSelect Disk Group→ Add Free Capacity Physical Disks 139 Using Free CapacityVirtual Disk Expansion Disk Group Migration Using Unconfigured CapacityExport Disk Group Non-Exportable Components141 Import Disk GroupExporting a Disk Group 142 Importing a Disk GroupNon-Importable Components 143 Changing Media Scan SettingsStorage Array Media Scan 144 Suspending the Media Scan145 Configuration Premium Feature- Snapshot Virtual Disks146 Scheduling a Snapshot Virtual DiskCommon Reasons for Scheduling a Snapshot Virtual Disk 147 Guidelines for Creating Snapshot SchedulesEnabling and Disabling Snapshot Schedules Creating a Snapshot Virtual Disk Using the Simple PathScheduled Snapshot Icons 148149 About the Simple Path150 151 Select Virtual Disk→ Snapshot→ Create. or152 Creating a Snapshot Virtual Disk Using the Advanced PathAbout the Advanced Path 153 154 155 156 Creating the Snapshot Using the Advanced Path157 Specifying Snapshot Virtual Disk NamesSpecify Virtual Disk Parameters window is displayed 158 159 Snapshot Repository Capacity160 Click Add Physical Disks161 Add Physical Disks window closes162 Disabling a Snapshot Virtual Disk163 Preparing Host Servers to Re-create a Snapshot Virtual DiskSnapshot Rollback Re-creating Snapshot Virtual DisksSelect Virtual Disk→ Snapshot→ Re-create 164165 Rules and Guidelines for Performing a Snapshot RollbackProtecting Against a Failed Snapshot Rollback Command Line OptionsPrevious Versions of the MD Storage Manager Starting a Snapshot RollbackRollback Resuming a Snapshot RollbackConfirm Rollback Snapshot Virtual Disk dialog is displayed 167168 Canceling a Snapshot Rollback183 184 169 Configuration Premium Feature- Virtual Disk Copy170 Types of Virtual Disk CopiesOffline Copy 171 Online Copy172 Creating a Virtual Disk Copy for an Mscs Shared DiskVirtual Disk Read/Write Permissions 173 Virtual Disk Copy Restrictions174 Creating a Virtual Disk CopyBefore You Begin Create Copy Wizard Virtual Disk Copy and Modification OperationsFailed Virtual Disk Copy 175Failed RAID Controller Module Preferred RAID Controller Module OwnershipCopy Manager 176177 Copying the Virtual DiskStorage Array Performance During Virtual Disk Copy Setting Copy PriorityAMW, select Virtual Disk→ Copy Manager 178Recopying a Virtual Disk Stopping a Virtual Disk CopySelect Change→ Copy Priority 179180 Preparing Host Servers to Recopy a Virtual Disk181 Re-Copying a Virtual DiskSelect Copy→ Re-Copy 182 Removing Copy PairsSelect Copy→ Remove Copy Pairs 185 Configuration Premium Feature- Remote Replication186 Activating Remote ReplicationReplication Repository Virtual Disks 187 RAID Levels for Replication Repository Virtual DisksPrimary and Secondary Virtual Disk Pairs 188 Using Remote Replication With Other FeaturesStorage Partitioning With Remote Replication Virtual Disk Copy With Remote Replication Snapshot Virtual Disk With Remote ReplicationVirtual Disk Expansion With Remote Replication 189Switch Cascading Required Switch Zoning ConfigurationsZoning Guidelines for Remote Replication 190Journaling File Systems and Remote Replication Setting Up and Managing Remote ReplicationPrerequisites 191192 193 Preview Activate Remote Replication wizard is displayedCompleted Activate Remote Replication message is displayed 194 Creating a Remote Replication195 Setting the Write ModeSelecting the Secondary Virtual Disk 196 Setting Synchronization Priority and Synchronization Method197 Completing the Remote Replication198 RAID Controller Module Ownership/Preferred Path199 Viewing the Storage Array ProfileViewing Logical Elements of the Secondary Virtual Disk Viewing the Properties PaneSelect View Associated Logical Elements 200201 Write Mode and Consistency Group Membership IconStatus Changing Write Mode and Consistency Group MembershipVirtual Disk Status Icons 202203 Select Change→ Write Mode204 Resynchronizing Virtual DisksNormally Synchronized Virtual Disks 205 Changing Synchronization Priority and Method206 207 Unsynchronized Virtual Disks208 Automatically Resynchronizing Virtual DisksManually Resynchronizing Virtual Disks 209 210 Suspending a Remote Replication211 Resuming a Remote ReplicationAbout Resumed Remote Replications 212 Select Test Replication Communication213 Deleting a Primary Virtual Disk214 Deleting a Secondary Virtual Disk215 Removing a Remote Replication From a Storage Array216 Deactivating the Remote Replication on the Storage Array217 Disabling the Remote Replication Premium Feature218 219 Configuration Device Mapper Multipath for Linux220 Using DM Multipathing DevicesPrerequisites 221 Device Mapper Configuration StepsScan for Newly Added Virtual Disks 222 223 Create a New fdisk Partition on a Multipath Device NodeAdd a New Partition to Device Mapper Mount a Device Mapper Partition Create a File System on a Device Mapper PartitionReady for Use 224225 Blacklist Local Drive in Multi-path DriverImportant Information About Special Partitions 226 Device Mapper Commands Descriptions227 Limitations and Known IssuesQuestion Answer Troubleshooting228 229 Downloading RAID Controller and Nvsram Packages230 Downloading Both RAID Controller and Nvsram Firmware231 Select Tools→ Upgrade RAID Controller Module FirmwareClick Transfer 232 Downloading Only Nvsram Firmware233 234 235 Downloading Physical Disk Firmware236 Download Physical Disk Introduction window is displayedDownloading MD1200 Series Expansion Module EMM Firmware AMW, select Advanced→ Maintenance→ Download→ EMM FirmwareDownload Environmental EMM Firmware dialog is displayed 237238 Self-Monitoring Analysis and Reporting Technology Smart239 Media Errors and Unreadable Sectors240 241 Recommended ToolsFront Bezel Optional Installing the Front BezelRemoving the Front Bezel 242Hard Drives Safety Models AMT, E03J, and E04JRemoving a Hard-Drive Blank 243244 Installing a Hard-Drive BlankRemoving a Hard Drive 245 Removing and Installing a Hard Drive246 Installing a Hard Drive247 Removing a Hard Drive From a Hard-Drive Carrier248 RAID Controller Module Installing a Hard Drive Into a Hard-Drive CarrierRemoving a RAID Controller Module Blank 249250 Installing a RAID Controller Module Blank251 Removing a RAID Controller Module252 Installing a RAID Controller Module253 Opening the RAID Controller Module254 Closing the RAID Controller Module255 RAID Controller Module Backup Battery UnitRemoving the RAID Controller Module Backup Battery Unit 256 Installing the RAID Controller Module Backup Battery Unit257 Power Supply/Cooling Fan ModuleRemoving a Power Supply/Cooling Fan Module 258 Installing a Power Supply/Cooling Fan Module259 Control PanelRemoving the Control Panel 260 261 Installing the Control Panel262 BackplaneRemoving the Backplane 263 17. Removing and Installing the Backplane-PowerVault MD3620f 16. Removing and Installing the Backplane-PowerVault MD3600f265 Installing the Backplane266 267 Viewing the Firmware Inventory268 Virtual Disk Service Microsoft ServicesVolume Shadow-Copy Service 269270 Device Health Conditions Start-Up Routine271 Start-Up Routine Indications Look/Listen for ActionStatus Icon Description On the Setup tab, select Manage a Storage Array272 Additional Status Icons Description 273274 Storage Array Support Data275 Automatically Collect the Support Bundle DataEnter the Execution summary 276 Collecting the Physical Disk Data277 Event Log278 Recovery GuruStorage Array Profile 279 280 Viewing the Logical AssociationsSelect View→ Associated Logical Elements. or 281 Viewing the Physical AssociationsFinding Nodes 282 Select Find all free capacity nodesClick Find Next Using Go ToSelect View→ Go To→ Snapshot Virtual Disk Select View→ Go To→ Snapshot Repository Virtual DiskSelect View→ Go To→ Source Virtual Disk Recovering From an Unresponsive Storage Array ConditionSelect View→ Go To→ Target Virtual Disk 284285 286 287 Locating a Physical DiskLocating an Expansion Enclosure 288 Capturing the State InformationSelect Physical Disk→ Blink→ Expansion Enclosure 289 SMrepassist Utility290 Recovering From an Unidentified Storage ArrayUnidentified Devices 291 292 293 Starting or Restarting the Host Context Agent Software294 295 Troubleshooting Loss of CommunicationTroubleshooting an SFP Transceiver 296 Removing an SFP Module 297298 Troubleshooting External ConnectionsTroubleshooting Power Supply/Cooling Fan Module 299 Troubleshooting Array Cooling Problems300 Troubleshooting Expansion Enclosure Management Modules301 Troubleshooting RAID Controller Modules302 Troubleshooting Hard Drives303 Troubleshooting Array and Expansion Enclosure Connections304 Troubleshooting a Wet Storage Array305 Troubleshooting a Damaged ArrayConditions ECC ErrorsInvalid Storage Array 306Critical Conditions PCI ErrorsNoncritical Conditions 307308 309 Locating Your System Service TagContacting Dell 310 Documentation FeedbackIndex 312 313 314 315 316 317 318
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MD3620F, MD3600f specifications

Dell's MD3620F and MD3600F storage arrays are designed for businesses seeking dependable, high-performance storage solutions tailored to meet the demands of modern data management. These models offer a blend of scalability, efficiency, and advanced features, making them well-suited for a range of applications, from virtual environments to critical database operations.

One of the primary features of the MD3620F and MD3600F is their support for a hybrid storage architecture. This approach allows organizations to combine flash storage with traditional hard disk drives (HDDs) to optimize performance and cost. The MD3620F focuses heavily on all-flash configurations, delivering exceptional speed and lower latency, ideal for I/O-intensive workloads.

Scalability is another hallmark of these storage solutions. The MD3600F allows users to scale up to 120 drives, providing robust capacity to meet growing data needs. The MD3620F is engineered for environments where data availability and speed are paramount, with support for high IOPS (Input/Output Operations Per Second) and consistent performance under stress.

In terms of data management, both systems integrate with Dell’s proprietary software, which enhances operational efficiency through features like automated tiering. This technology optimizes data placement between different storage types based on access frequency, ensuring that hot data is readily available while reducing costs associated with less critical data.

Reliability is crucial for businesses that depend on their storage systems. The MD3620F and MD3600F come equipped with advanced data protection mechanisms, such as RAID support, which safeguards against data loss, and snapshot capabilities that provide point-in-time copies of data. Moreover, these solutions include hot-swappable components, ensuring minimal downtime for maintenance and repairs.

Connectivity is also a strong suit of these storage arrays. They support multiple connectivity options, including SAS and iSCSI, allowing for flexible integration into existing IT infrastructures. This adaptability enhances their appeal to a wide range of enterprise environments.

In summary, the Dell MD3620F and MD3600F stand out as robust storage solutions with a combination of hybrid and all-flash configurations, scalability, advanced data management tools, and enhanced reliability features. These characteristics make them ideal for organizations looking to enhance their data storage capabilities while maintaining high performance and efficiency.
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