Dell MD3200i, MD3220i owner manual Creating the Snapshot Using the Advanced Path, 153

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If you want to use a snapshot regularly, such as for backups, use the Disable Snapshot and Re-create Snapshot options to reuse the snapshot. Disabling and re-creating snapshots preserves the existing virtual disk-to-host mappings to the snapshot virtual disk.

Creating the Snapshot Using the Advanced Path

NOTE: Removing the drive letter of the associated virtual disk in Windows or unmounting the virtual drive in Linux helps to guarantee a stable copy of the drive for the Snapshot.

After first preparing the host server(s) as specified in the preceding procedure, complete the following steps to create a virtual disk snapshot using the advanced path:

1Stop the host application accessing the source virtual disk, and unmount the source virtual disk.

2In the AMW, select the Logical tab, select a valid source virtual disk.

3Select Virtual Disk→ Snapshot→ Create. Alternatively, you can right- click the source virtual disk and select Create Snapshot Virtual Disk from the pop-up menu.

The Create Snapshot Virtual Disk Wizard - Introduction dialog appears.

4Select Advanced, and click Next.

The Specify Names window is displayed.

5Enter the Snapshot visual disk name and the Snapshot repository virtual disk name and click Next.

The Allocate Capacity window is displayed.

6In the Capacity allocation area, select:

•Free capacity on same disk group as base (recommended)

•Free capacity on different disk group

•Unconfigured capacity (create new disk group)

7Enter the snapshot repository virtual disks capacity as a percentage of the source virtual disks capacity and click Next.

The Specify Virtual Disk Parameters window is displayed.

Configuration: Premium Feature—Snapshot Virtual Disks

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Contents Dell PowerVault MD3200i and MD3220i Storage Arrays May Contents Planning RAID Controller Modules Cache Functions and FeaturesVirtual Disk Operations Limit Out-of-Band and In-Band Management Configuring Alert NotificationsSetting the Storage Array RAID Edit, Remove, or Rename Host TopologyEnabling or Disabling the Event Monitor Managing Host Port Identifiers 103113 124 Configuring Hot Spare Physical Disks 121Host-to-Virtual Disk Mapping 126 132140 139141 146Disabling a Snapshot Virtual Disk ContentsRe-creating a Snapshot Virtual Disk Creating a Virtual Disk Copy forLimitations and Known Issues 184 Using DM Multipathing Devices 178174 177197 Downloading MD1200 Series Expansion198 199215 Power Supply/Cooling Fan Module 211217 Viewing the Firmware Inventory 221229 Recovering From an UnresponsiveCollecting the Physical Disk Data 230 231258 250Getting Help Contacting Dell Index Contents About This Document IntroductionDell PowerVault Modular Disk Storage Manager Dell PowerVault MD3200i Series Storage ArrayDell PowerVault Modular Disk Configuration Utility Other Information You May NeedIntroduction 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 Item LED Type Icon Description Power Indicator CodesRAID Controller Modules Planning RAID Controller ModulesMD3200i Series iSCSI RAID Controller Module RAID Controller Module Connectors and FeaturesLED Component FunctionBattery Backup Unit RAID Controller Module-Additional FeaturesStorage Array Thermal Shutdown Item Component FunctionSystem Password Reset Cache Functions and FeaturesCache Mirroring Write-Back CacheWrite-Through Cache Physical Disks Physical Disks, Virtual Disks, and Disk GroupsPhysical Disk States Virtual Disks and Disk Groups Self-Monitoring Analysis and Reporting TechnologyRAID Levels Virtual Disk StatesRAID Controller Virtual Disk States Description RAID RAID Level UsageSegment Size Virtual Disk Initialization Virtual Disk OperationsBackground Initialization Foreground InitializationMedia Verification Cycle TimeVirtual Disk Operations Limit Disk Group Operations RAID Level MigrationSegment Size 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 MD3200i Series Storage Array Terms and Concepts Advanced Features Disk RoamingHost Server-to-Virtual Disk Mapping Snapshot Virtual Disks Host TypesVirtual Disk Copy Snapshot Repository Virtual DiskUsing Snapshot and Disk Copy Together Virtual Disk RecoverySource Virtual Disk Target Virtual DiskPreferred and Alternate Controllers and Paths Multi-Path SoftwareVirtual Disk Ownership Load BalancingMonitoring MD3200i Series System Performance Planning MD3200i Series Storage Array Terms and Concepts Performance Monitor Table Description Column Headings User Interface Configuration OverviewEnterprise Management Window Select Tools→ Inherit System Settings Inheriting the System SettingsSelect Inherit system settings for color and font Array Management WindowConfiguration Overview Configuration About Your Storage Array Out-of-Band and In-Band ManagementOut-of-Band Management Storage Arrays Adding Storage ArraysIn-Band Management Automatic Discovery of Storage Arrays Manual Addition of a Storage ArraySelect Edit→ Add Storage Array Setting Up Your Storage Array Locating Storage Arrays Name/Rename Storage Arrays dialog appears Naming or Renaming Storage ArraysSetting a Password PasswordType the New password Viewing Storage Array Connections Password GuidelinesRemoving Storage Arrays Adding/Editing a Comment to an Existing Storage ArraySelect Edit→ Comment Select Edit→ Remove→ Storage ArrayEnabling Premium Features Changing the Cache Settings on the Storage ArrayFailover Alert Display Changing Expansion Enclosure ID Numbers Changing the Enclosure Order in the Physical PaneAMW, select Storage Array→ Change→ Enclosure Order Configuring E-mail Alerts Configuring Alert NotificationsSelect Configure Alerts Select All storage arraysConfiguration About Your Storage Array Configuration About Your Storage Array Configuring Snmp Alerts Battery Settings Setting the Storage Array RAID Controller Module Clocks Configuration About Your Storage Array Changing the iSCSI Target Authentication Configuration Using iSCSISelect Manage iSCSI Settings Enter the Target Chap secretSelect the Mutual Authentication tab Entering Mutual Authentication PermissionsClick OK in the Manage iSCSI Settings window Creating Chap SecretsTarget Chap Secret Initiator Chap SecretValid Characters for Chap Secrets Valid Ascii Characters for Chap SecretsChanging the iSCSI Target Identification Changing the iSCSI Target Discovery SettingsSelect the Target Identification tab Select the Target Discovery tabConfiguring the iSCSI Host Ports Configuration Using iSCSI Advanced iSCSI Host Port Settings Description Advanced iSCSI Host Ports SettingsViewing or Ending an iSCSI Session Click Set Baseline Viewing iSCSI Statistics and Setting Baseline StatisticsMappings→ Move Edit, Remove, or Rename Host TopologyEnabling or Disabling the Event Monitor Configuration Event MonitorLinux WindowsConfiguring Host Access Configuration About Your HostUsing the Mappings Tab Defining a HostSelect Mappings→ Define→ Host Configuration About Your Host Managing Host Groups Removing Host AccessCreating a Host Group Select Mappings→ RemoveAdding a Host to a Host Group Moving a Host to a Different Host GroupRemoving a Host From a Host Group Select Mappings→ MoveHost Topology Removing a Host GroupStarting or Stopping the Host Context Agent LinuxWindows Data Path Protection Click Action→ Start100 Managing Host Port Identifiers Add Host Port Identifier dialog appears101 102 Configuration Disk Groups and Virtual Disks Creating Disk Groups and Virtual Disks103 Creating Disk Groups Introduction Create Disk Group window is displayed104 105 Creating Virtual Disks Locating a Disk Group107 Map later Using Mappings View Customize settingsChanging the Virtual Disk Modification Priority 108Changing the Virtual Disk Cache Settings Toolbar, select Virtual Disk→ Change→ Cache Settings109 110 Changing the Segment Size of a Virtual Disk Select Virtual Disk→ Change→ Segment Size111 Changing the I/O Type File system typical Database Multimedia Custom112 Choosing an Appropriate Physical Disk Type Physical Disk Security with Self Encrypting Disk113 114 115 116 Creating a Security KeyChanging a Security Key Click Create Key117 Confirm Change Security Key window is displayed Click Change Key118 119 Saving a Security KeyUnlocking Secure Physical Disks Erasing Secure Physical Disks120 Configuring Hot Spare Physical Disks Select Physical disk→ Hot Spare Coverage121 Hot Spare Physical Disk Options window is displayed Click Unassign122 Global Hot Spares Hot Spares and RebuildHot Spare Operation Hot Spare Drive Protection124 Enclosure Loss ProtectionCriteria for Enclosure Loss Protection RAID Level 125Host-to-Virtual Disk Mapping Creating Host-to-Virtual Disk Mappings126 127 128 Modifying and Removing Host-to-Virtual Disk MappingRemoving Host-to-Virtual Disk Mapping Changing Controller Ownership of the Virtual DiskSelect Virtual Disk→ Change→ Ownership/Preferred Path 129130 Select Disk Group→ Change→ Ownership/Preferred PathChanging the RAID Level of a Disk Group Select Disk Group→ Change→ RAID Level131 Restricted Mappings 132Operating System Highest LUN 133 134 135 Changing the RAID Level of a Disk Group136 Storage PartitioningDisk Group and Virtual Disk Expansion Select Disk Group→ Add Free Capacity Physical Disks137 Using Unconfigured Capacity Using Free CapacityVirtual Disk Expansion 138Export Disk Group Disk Group MigrationExporting a Disk Group Non-Exportable ComponentsImport Disk Group Importing a Disk Group140 Storage Array Media Scan Non-Importable Components141 142 Changing Media Scan Settings143 Suspending the Media Scan144 145 Configuration Premium Feature- Snapshot Virtual DisksCreating a Snapshot Virtual Disk Using the Simple Path About the Simple Path146 147 148 Creating a Snapshot Virtual Disk Using the Advanced Path About the Advanced Path149 150 151 152 Creating the Snapshot Using the Advanced Path Specify Virtual Disk Parameters window is displayed153 154 Specifying Snapshot Virtual Disk Names155 156 Snapshot Repository Capacity157 Click Add Physical Disks158 Add Physical Disks window closesDisabling a Snapshot Virtual Disk Re-creating Snapshot Virtual DisksSelect Virtual Disk→ Snapshot→ Re-create 159160 Preparing Host Servers to Re-create a Snapshot Virtual DiskRe-creating a Snapshot Virtual Disk Select Virtual Disk → Snapshot→ Re-create161 162 163 Configuration Premium Feature- Virtual Disk Copy164 Creating a Virtual Disk Copy for an Mscs Shared DiskVirtual Disk Read/Write Permissions Virtual Disk Copy Restrictions165 166 Creating a Virtual Disk CopyVirtual Disk Copy and Modification Operations Before you BeginCreate Copy Wizard 167Failed RAID Controller Module Preferred RAID Controller Module OwnershipFailed Virtual Disk Copy 168Copy Manager Copying the Virtual Disk169 Setting Copy Priority Storage Array Performance During Virtual Disk Copy170 Stopping a Virtual Disk Copy Select Change→ Copy Priority171 Recopying a Virtual Disk Preparing Host Servers to Recopy a Virtual Disk172 Recopying the Virtual Disk Select Copy→ Re-Copy173 174 Removing Copy Pairs175 176 177 Configuration Device Mapper Multipath for LinuxUsing DM Multipathing Devices Prerequisite Steps178 Device Mapper Configuration Steps Scan for newly added Virtual Disks179 180 Create a New fdisk Partition on a Multipath Device Node Add a new Partition to Device Mapper181 Mount a Device Mapper Partition Create a file system on a Device Mapper PartitionReady For Use 182Linux Host Server Reboot Best Practices Important Information About Special Partitions183 Limitations and Known Issues Useful Device Mapper Commands Descriptions184 Troubleshooting 185Question Answer QuestionAnswer 186187 Downloading RAID Controller and Nvsram Packages188 Downloading Both RAID Controller and Nvsram Firmware189 Click Transfer190 Downloading Only Nvsram FirmwareSelect Tools→ Upgrade RAID Controller Module Firmware Upgrade RAID Controller Module Firmware window appears191 192 Downloading Physical Disk Firmware193 194 Downloading MD1200 Series Expansion Module EMM FirmwareAMW, select Advanced→ Maintenance→ Download→ EMM Firmware Download Environmental EMM Firmware dialog appears195 Media Errors and Unreadable Sectors Self-Monitoring Analysis and Reporting Technology Smart196 Management Installing Array Components Recommended Tools197 Front Bezel Optional Installing the Front BezelRemoving the Front Bezel 198Hard Drives Safety Models AMT, E03J, and E04JRemoving a Drive Blank 199Installing a Drive Blank Removing a Hard Drive200 201 Removing and Installing a Hard DriveInstalling a Hard Drive Removing a Hard Drive From a Hard-Drive Carrier202 203 204 RAID Controller Module Installing a Hard Drive Into a Drive CarrierRemoving a RAID Controller Module Blank 205206 Installing a RAID Controller Module Blank207 Removing a RAID Controller ModuleInstalling a RAID Controller Module Opening the RAID Controller Module208 209 Closing the RAID Controller ModuleRAID Controller Module Backup Battery Unit Removing the RAID Controller Module Backup Battery Unit210 Installing the RAID Controller Module Backup Battery Unit Power Supply/Cooling Fan ModuleRemoving a Power Supply/Cooling Fan Module 211212 213 214 Installing a Power Supply/Cooling Fan ModuleControl Panel Removing the Control Panel215 216 Installing the Control PanelBackplane Removing the Backplane217 218 17. Removing and Installing the Backplane-PowerVault MD3220i 16. Removing and Installing the Backplane-PowerVault MD3200i220 Installing the BackplaneManagement Firmware Inventory Viewing the Firmware Inventory221 222 Virtual Disk Service Microsoft ServicesVolume Shadow-Copy Service Management System Interfaces224 Start-Up Routine Troubleshooting Your Storage Array SoftwareDevice Health Conditions 225On the Setup tab, select Manage a Storage Array 226Status Icon Description 227 Additional Status Icons Description 228Automatically Collect the Support Bundle Data Storage Array Support DataEnter the Execution summary 229230 Collecting the Physical Disk Data231 Event LogStorage Array Profile Recovery GuruSelect Storage Array→ View→ Profile 232233 Viewing the Logical Associations Viewing the Physical Associations234 235 Finding NodesSelect Find all free capacity nodes Using Go ToClick Find Next 236237 Recovering From an Unresponsive Storage Array Condition238 239 240 Locating a Physical DiskLocating an Expansion Enclosure Select Physical Disk→ Blink→ Expansion Enclosure241 242 Capturing the State Information243 SMrepassist UtilityRecovering From an Unidentified Storage Array Unidentified Devices244 245 246 Starting or Restarting the Host Context Agent Software247 248 Troubleshooting Loss of Communication Troubleshooting Your ArrayTroubleshooting External Connections 249250 Troubleshooting Power Supply/Cooling Fan ModuleTroubleshooting Array Cooling Problems Troubleshooting Expansion Enclosure Management Modules251 252 253 Troubleshooting RAID Controller Modules254 Troubleshooting Hard DrivesTroubleshooting Array and Expansion Enclosure Connections Troubleshooting a Wet Storage Array255 256 Troubleshooting a Damaged ArrayConditions ECC ErrorsInvalid Storage Array 257Critical Conditions PCI ErrorsNoncritical Conditions 258Contacting Dell Getting HelpVisit support.dell.com Click All Support from Support menu260 261 Index262 263 264 265 266 267 268
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MD3200i, MD3220i specifications

The Dell MD3220i and MD3200i are part of Dell's extensive line of modular storage solutions, designed to support organizations in optimizing their data management and scalability requirements. These models offer reliable performance and flexible features, making them suitable for various workloads including virtualization, cloud storage, and disaster recovery.

One of the standout features of the MD3220i and MD3200i is their support for iSCSI storage networking. By utilizing the Internet Small Computer Systems Interface (iSCSI) protocol, these systems provide organizations with a cost-effective way to connect their storage over existing network infrastructure, enabling efficient data transfers and management.

Both models are equipped with dual controllers that ensure high availability and failover capabilities, which are crucial for meeting uptime requirements in mission-critical environments. The dual controllers also facilitate load balancing and increase overall system performance, as they allow multiple paths to the storage, enhancing I/O performance.

Scalability is another key characteristic of the MD3220i and MD3200i. These storage arrays can be expanded to meet growing storage demands, supporting up to 240TB of raw capacity with up to 16 additional expansion enclosures. This flexibility allows organizations to start with a smaller configuration and grow their storage capabilities without a complete overhaul of the existing infrastructure.

The units also support multiple disk types, including traditional spinning disks, solid-state drives (SSDs), and a combination of both. This versatility enables users to tailor storage configurations to their specific performance and budgetary needs. Furthermore, the systems feature advanced data management technologies such as snapshots and remote replication, providing essential tools for data protection.

With their ease of management, the MD3220i and MD3200i are designed for straightforward configuration and operation. The intuitive management interfaces allow IT professionals to monitor performance, configure storage, and manage data effectively, ensuring businesses can maintain optimal system availability.

In summary, the Dell MD3220i and MD3200i are robust, scalable, and versatile storage solutions that cater to diverse organizational needs. Their integrated technologies, such as iSCSI support, dual controller architecture, and advanced data management features, make them an ideal choice for modern data centers looking to enhance storage capabilities while ensuring reliability and performance.
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