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•If the array status LED is solid or blinking amber:

a In the AMW, select the Summary tab, and click on Storage Array needs attention. Follow the listed procedures in the Recovery Guru(s) and wait for up to 5 minutes to check if the LED has turned blue. See "Recovery Guru" on page 235.

b If following the recovery guru procedures does not solve the problem, complete the following procedure to further troubleshoot the array.

c Turn off the host server as appropriate.

d Remove the RAID controller module and verify that the pins on backplane and RAID controller module are not bent. See "Removing a RAID Controller Module Blank" on page 209.

e Reinstall the RAID controller module and wait for 30 seconds. See "Installing a RAID Controller Module" on page 212.

f Check the RAID controller module status LED. g Replace the RAID controller module.

h Turn on the host server.

If the problem is not resolved, see "Getting Help" on page 265.

•If the link status LEDs are not green, see "Troubleshooting Array and Expansion Enclosure Connections" on page 259.

a Turn off the server, storage arrays, and expansion enclosures.

b Reseat the RAID controller module and reconnect cables on the storage array and the server.

c Restart the storage array and wait until the array is fully booted. d Turn on the server.

e Check the link status LED. If the link status LED is not green, replace the cables.

If the problem is not resolved, see "Getting Help" on page 265.

Troubleshooting: Your Array

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Contents Dell PowerVault MD3200 and MD3220 Storage Arrays Page Contents Cache Functions and Features RAID Controller Module ConnectorsVirtual Disk Operations Limit Out-of-Band and In-Band Management Configuring Alert NotificationsCreating Disk Groups and Virtual Disks Enabling or Disabling the Event MonitorManaging Host Port Identifiers Host-to-Virtual Disk Mapping Configuring Hot Spare Physical DisksPhysical Disk Security with Self 129 126130 131Creating a Snapshot Virtual Disk Using Creating a Snapshot Virtual Disk Using 142146 151161 160Types of Virtual Disk Copies 164 165174 Using DM Multipathing Devices 180176 179201 Self-Monitoring Analysis and Reporting202 203Power Supply/Cooling Fan Module 216 RAID Controller Module Backup Battery Unit 214218 221232 Recovering From an Unresponsive Storage 241233 Collecting the Physical Disk Data 234Troubleshooting Power Supply/Cooling 254 Safety First-For you and Your Array 253Troubleshooting Expansion Enclosure Troubleshooting a Damaged Array 261Getting Help Contacting Dell Index Contents About This Document IntroductionMD3200 Series Storage Array Dell PowerVault Modular Disk Storage ManagerOther Information you May Need Introduction 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 FeaturesItem Component Function Component Function RAID Controller Module-Additional FeaturesBattery Backup Unit Storage Array Thermal Shutdown System Password ResetShutdown Threshold Type Event DescriptionCache Mirroring Cache Functions and FeaturesWrite-Back Cache Write-Through CachePhysical Disks, Virtual Disks, and Disk Groups Planning MD3200 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 RAID LevelsVirtual Disk States RAID RAID Level UsageRAID Virtual Disk Operations Segment SizeVirtual Disk Initialization Background InitializationCycle Time Consistency CheckMedia Verification Virtual Disk Operations Limit Disk Group OperationsRAID Level Migration Segment Size MigrationDisk Group Expansion Virtual Disk Capacity ExpansionDisk Group Operations Limit RAID Background Operations PriorityDisk Group Defragmentation Disk Migration Virtual Disk Migration and Disk RoamingPlanning MD3200 Series Storage Array Terms and Concepts Disk Roaming Advanced FeaturesSnapshot Virtual Disks Host Server-to-Virtual Disk MappingHost Types Snapshot Repository Virtual Disk Target Virtual Disk Virtual Disk CopySource Virtual Disk Multi-Path Software Virtual Disk RecoveryUsing Snapshot and Disk Copy Together Virtual Disk Ownership Preferred and Alternate Controllers and PathsLoad Balancing AMW, select Storage Array→ Monitor Performance Monitoring MD3200 Series System PerformanceClick Settings Performance Monitor Table Description Column Headings Planning MD3200 Series Storage Array Terms and Concepts User Interface Configuration OverviewEnterprise Management Window Array Management Window Inheriting the System SettingsConfiguration Overview Out-of-Band Management Configuration About Your Storage ArrayOut-of-Band and In-Band Management In-Band Management Storage ArraysAdding Storage Arrays Select Edit→ Add Storage Array Automatic Discovery of Storage ArraysManual Addition of a Storage Array Setting Up Your Storage Array AMW, select Storage Array→ Blink→ Storage Array Locating Storage ArraysName/Rename Storage Arrays dialog is displayed AMW Setup tab, select Rename Storage ArrayNaming or Renaming Storage Arrays Type the New password Setting a PasswordPassword Viewing 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 FeaturesChanging the Enclosure Order in the Physical Pane Changing the Cache Settings on the Storage ArrayChanging Expansion Enclosure ID Number Select Configure Alerts Configuring Alert NotificationsAMW, select Storage Array→ Change→ Enclosure Order Select All storage arraysConfiguring 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 Linux Enabling or Disabling the Event MonitorWindows Configuring Host Access Configuration About Your HostSelect Mappings→ Define→ Host Using the Mappings TabDefining a 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 GroupWindows Starting or Stopping the Host Context AgentLinux Click Action→ Start Data Path ProtectionAdd Host Port Identifier dialog is displayed Managing Host Port IdentifiersConfiguration About Your Host Creating Disk Groups and Virtual Disks Configuration Disk Groups and Virtual DisksIntroduction Create Disk Group window is displayed Creating Disk GroupsConfiguration Disk Groups and Virtual Disks Creating Virtual Disks Locating a Disk GroupConfiguration Disk Groups and Virtual Disks 100 Map later Using Mappings ViewChanging the Virtual Disk Modification Priority 101 Changing the Virtual Disk Cache Settings102 103 Changing the Segment Size of a Virtual Disk104 Changing the I/O TypeSelect Virtual Disk→ Change→ Segment Size 105 Choosing an Appropriate Physical Disk TypeFile system typical Database Multimedia Custom 106 Physical Disk Security with Self Encrypting Disk107 Shows how to interpret the security status of a disk group108 Creating a Security Key109 Click Create Key110 Changing a Security KeyConfirm Change Security Key window is displayed 111 Saving a Security KeyClick Change Key 112 Validate Security Key113 Unlocking Secure Physical DisksErasing Secure Physical Disks 114 Configuring Hot Spare Physical DisksSelect Physical disk→ Hot Spare Coverage Hot Spare Physical Disk Options window is displayed Hot Spares and RebuildClick Unassign 115Hot Spare Operation Global Hot SparesHot Spare Drive Protection 116117 Enclosure Loss ProtectionCriteria for Enclosure Loss Protection RAID Level 118119 Host-to-Virtual Disk MappingCreating Host-to-Virtual Disk Mappings 120 121 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 122123 Select Disk Group→ Change→ Ownership/Preferred PathChanging the RAID Level of a Disk Group Removing a Host-to-Virtual Disk Mapping Using Linux DmmpSelect Disk Group→ Change→ RAID Level 124125 Operating System Highest LUN Restricted Mappings126 127 128 129 Changing the RAID Level of a Disk Group130 Storage Partitioning131 Disk Group and Virtual Disk ExpansionSelect Disk Group→ Add Free Capacity Physical Disks 132 Using Free CapacityVirtual Disk Expansion Disk Group Migration Using Unconfigured CapacityExport Disk Group Non-Exportable ComponentsExporting a Disk Group Import Disk GroupImporting a Disk Group 134135 Non-Importable Components136 Changing Media Scan SettingsStorage Array Media Scan 137 Suspending the Media Scan138 139 Configuration Premium Feature- Snapshot Virtual Disks140 Scheduling a Snapshot Virtual DiskCommon Reasons for Scheduling a Snapshot Virtual Disk 141 Guidelines for Creating Snapshot SchedulesEnabling and Disabling Snapshot Schedules Creating a Snapshot Virtual Disk Using the Simple PathScheduled Snapshot Icons 142143 About the Simple Path144 145 146 Creating a Snapshot Virtual Disk Using the Advanced PathAbout the Advanced Path 147 148 149 Creating the Snapshot Using the Advanced Path150 Specify Virtual Disk Parameters window is displayed151 Specifying Snapshot Virtual Disk Names152 Snapshot Repository Capacity153 154 Click Add Physical DisksAdd Physical Disks window closes 155 Disabling a Snapshot Virtual Disk156 Preparing Host Servers to Re-create a Snapshot Virtual DiskSnapshot Rollback Re-creating Snapshot Virtual DisksSelect Virtual Disk→ Snapshot→ Re-create 157158 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 160161 Canceling a Snapshot Rollback162 163 Configuration Premium Feature- Virtual Disk Copy164 Types of Virtual Disk CopiesOffline Copy 165 Online Copy166 Creating a Virtual Disk Copy for an Mscs Shared DiskVirtual Disk Read/Write Permissions 167 Virtual Disk Copy Restrictions168 Creating a Virtual Disk CopyBefore you Begin Create Copy Wizard Virtual Disk Copy and Modification OperationsFailed Virtual Disk Copy 169Failed RAID Controller Module Preferred RAID Controller Module OwnershipCopy Manager 170171 Copying the Virtual Disk172 Storage Array Performance During Virtual Disk CopyStopping a Virtual Disk Copy Setting Copy PrioritySelect Change→ Copy Priority 173174 Recopying a Virtual DiskPreparing Host Servers to Recopy a Virtual Disk 175 Re-Copying a Virtual DiskSelect Copy→ Re-Copy Removing Copy PairsSelect Copy→ Remove Copy Pairs 176177 178 179 Configuration Device Mapper Multipath for Linux180 Using DM Multipathing DevicesPrerequisite Steps 181 Device Mapper Configuration StepsScan for Newly Added Virtual Disks 182 183 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 Blacklist Local Drive in Multi-path Driver185 Important Information About Special Partitions186 Device Mapper Commands Descriptions187 Limitations and Known IssuesQuestion Answer Troubleshooting188 189 Downloading RAID Controller and Nvsram Packages190 Downloading Both RAID Controller and Nvsram Firmware191 Click Transfer192 Downloading Only Nvsram Firmware193 Select Tools→ Upgrade RAID Controller Module FirmwareUpgrade RAID Controller Module Firmware window is displayed 194 195 Downloading Physical Disk Firmware196 Downloading MD1200 Series Expansion Module EMM Firmware AMW, select Advanced→ Maintenance→ Download→ EMM FirmwareDownload Environmental EMM Firmware dialog is displayed 197198 Media Errors and Unreadable SectorsSelf-Monitoring Analysis and Reporting Technology Smart 199 200 201 Management Installing Array ComponentsRecommended Tools Front Bezel Optional Installing the Front BezelRemoving the Front Bezel 202Hard Drives Safety Models AMT, E03J, and E04JRemoving a Hard-Drive Blank 203204 Installing a Hard-Drive BlankRemoving a Hard Drive 205 Removing and Installing a Hard Drive206 Installing a Hard Drive207 Removing a Hard Drive From a Hard-Drive Carrier208 RAID Controller Module Installing a Hard Drive Into a Hard-Drive CarrierRemoving a RAID Controller Module Blank 209210 Installing a RAID Controller Module Blank211 Removing a RAID Controller Module212 Installing a RAID Controller ModuleOpening the RAID Controller Module 213 Closing the RAID Controller Module214 RAID Controller Module Backup Battery UnitRemoving the RAID Controller Module Backup Battery Unit 215 Installing the RAID Controller Module Backup Battery Unit216 Power Supply/Cooling Fan ModuleRemoving a Power Supply/Cooling Fan Module 217 Installing a Power Supply/Cooling Fan Module218 Control PanelRemoving the Control Panel 219 220 Installing the Control Panel221 BackplaneRemoving the Backplane 222 17. Removing and Installing the Backplane-PowerVault MD3220 16. Removing and Installing the Backplane-PowerVault MD3200224 Installing the Backplane225 Management Firmware InventoryViewing the Firmware Inventory 226 Virtual Disk Service Microsoft ServicesVolume Shadow-Copy Service Management System Interfaces228 Start-Up Routine Troubleshooting Your Storage Array SoftwareDevice Health Conditions 229Status Icon Description On the Setup tab, select Manage a Storage Array230 Additional Status Icons Description 231232 Storage Array Support Data233 Automatically Collect the Support Bundle DataEnter the Execution summary 234 Collecting the Physical Disk DataEvent Log 235 Recovery Guru236 Storage Array ProfileSelect Storage Array→ View→ Profile 237 238 Viewing the Logical AssociationsViewing the Physical Associations 239 Finding NodesSelect Find all free capacity nodes Using Go ToClick Find Next 240241 Recovering From an Unresponsive Storage Array Condition242 243 244 Locating a Physical Disk245 Locating an Expansion EnclosureSelect Physical Disk→ Blink→ Expansion Enclosure 246 Capturing the State Information247 SMrepassist Utility248 Recovering From an Unidentified Storage ArrayUnidentified Devices 249 250 251 Starting or Restarting the Host Context Agent Software252 Troubleshooting Loss of Communication Troubleshooting Your ArrayTroubleshooting External Connections 253254 Troubleshooting Power Supply/Cooling Fan Module255 Troubleshooting Array Cooling ProblemsTroubleshooting Expansion Enclosure Management Modules 256 Troubleshooting RAID Controller Modules257 258 Troubleshooting Hard Drives259 Troubleshooting Array and Expansion Enclosure Connections260 Troubleshooting a Wet Storage Array261 Troubleshooting a Damaged ArrayConditions PCI Errors ECC ErrorsInvalid Storage Array Critical Conditions263 Noncritical Conditions264 Contacting Dell Getting HelpVisit support.dell.com Click All Support from Support menu266 267 Index268 269 270 271 272

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