Dell MD3200, MD3220 owner manual Troubleshooting RAID Controller Modules, 256

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cReseat the EMM module and wait for 30 seconds. See "Removing an EMM" in the MD1200 and MD1220 Storage Enclosures Hardware Owner's Manual.

dTurn on the server.

eCheck the EMM status LED.

fIf the LED does not turn Green, replace the EMM.

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

•If EMM status LED is blinking amber (5 times per sequence), update the firmware to the latest supported firmware on both the EMMs. For more information about downloading the latest firmware, see "Management: Firmware Downloads" on page 189.

•If the link status LEDs are not green: a Turn off the server.

b Reseat the cables on the expansion array and the server.

c Turn on the expansion arrays and then the storage array and wait until the system 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 RAID Controller Modules

CAUTION: Many repairs may only be done by a certified service technician. You must only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that came with the product.

CAUTION: In the case of non-redundant configurations, it is recommended that you turn off the host server before turning off the array to prevent loss of data.

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Troubleshooting: Your Array

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Contents Dell PowerVault MD3200 and MD3220 Storage Arrays Page Contents RAID Controller Module Connectors Cache Functions and FeaturesVirtual Disk Operations Limit Configuring Alert Notifications Out-of-Band and In-Band ManagementManaging Host Port Identifiers Enabling or Disabling the Event MonitorCreating Disk Groups and Virtual Disks Physical Disk Security with Self Configuring Hot Spare Physical DisksHost-to-Virtual Disk Mapping 126 129130 131Creating a Snapshot Virtual Disk Using 142 Creating a Snapshot Virtual Disk Using146 151160 161Types of Virtual Disk Copies 164 165Using DM Multipathing Devices 180 174176 179Self-Monitoring Analysis and Reporting 201202 203RAID Controller Module Backup Battery Unit 214 Power Supply/Cooling Fan Module 216218 221Recovering From an Unresponsive Storage 241 232233 Collecting the Physical Disk Data 234Safety First-For you and Your Array 253 Troubleshooting Power Supply/Cooling 254Troubleshooting Expansion Enclosure Troubleshooting a Damaged Array 261Getting Help Contacting Dell Index Contents Introduction About This DocumentOther Information you May Need Dell PowerVault Modular Disk Storage ManagerMD3200 Series Storage Array Introduction Introduction Planning About Your Storage Array OverviewHardware Features Front-Panel Features and IndicatorsPlanning About Your Storage Array Item Indicator, Button, or Icon Description Connector Back Panel Features and Indicators Hard-Drive Indicator Patterns Hard Drive IndicatorsPower Supply and Cooling Fan Features Drive-Status Indicator Pattern ConditionPower Indicator Codes and Features Planning RAID Controller Modules RAID Controller ModulesRAID Controller Module Connectors and Features FunctionItem Component Function Battery Backup Unit RAID Controller Module-Additional FeaturesComponent Function System Password Reset Storage Array Thermal ShutdownShutdown Threshold Type Event DescriptionCache Functions and Features Cache MirroringWrite-Back Cache Write-Through CachePlanning MD3200 Series Storage Array Terms and Concepts Physical Disks, Virtual Disks, and Disk GroupsPhysical Disks Physical Disk StatesSelf-Monitoring Analysis and Reporting Technology Virtual Disks and Disk GroupsVirtual Disk States RAID LevelsRAID Controller Virtual Disk States Description RAID Level Usage RAIDRAID Segment Size Virtual Disk OperationsVirtual Disk Initialization Background InitializationMedia Verification Consistency CheckCycle Time Disk Group Operations Virtual Disk Operations LimitRAID Level Migration Segment Size MigrationVirtual Disk Capacity Expansion Disk Group ExpansionDisk Group Defragmentation RAID Background Operations PriorityDisk Group Operations Limit Virtual Disk Migration and Disk Roaming Disk MigrationPlanning MD3200 Series Storage Array Terms and Concepts Advanced Features Disk RoamingHost Types Host Server-to-Virtual Disk MappingSnapshot Virtual Disks Snapshot Repository Virtual Disk Source Virtual Disk Virtual Disk CopyTarget Virtual Disk Using Snapshot and Disk Copy Together Virtual Disk RecoveryMulti-Path Software Preferred and Alternate Controllers and Paths Virtual Disk OwnershipLoad Balancing Monitoring MD3200 Series System Performance AMW, select Storage Array→ Monitor PerformanceClick Settings Performance Monitor Table Description Column Headings Planning MD3200 Series Storage Array Terms and Concepts Configuration Overview User InterfaceEnterprise Management Window Inheriting the System Settings Array Management WindowConfiguration Overview Out-of-Band and In-Band Management Configuration About Your Storage ArrayOut-of-Band Management Adding Storage Arrays Storage ArraysIn-Band Management Manual Addition of a Storage Array Automatic Discovery of Storage ArraysSelect Edit→ Add Storage Array Setting Up Your Storage Array Locating Storage Arrays AMW, select Storage Array→ Blink→ Storage ArrayNaming or Renaming Storage Arrays AMW Setup tab, select Rename Storage ArrayName/Rename Storage Arrays dialog is displayed Password Setting a PasswordType the New password Password Guidelines Viewing Storage Array ConnectionsAdding/Editing a Comment to an Existing Storage Array Removing Storage ArraysSelect Edit→ Comment Select Edit→ Remove→ Storage ArrayEnabling Premium Features Failover Alert DisplayChanging Expansion Enclosure ID Number Changing the Cache Settings on the Storage ArrayChanging the Enclosure Order in the Physical Pane Configuring Alert Notifications Select Configure AlertsAMW, 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 Windows Enabling or Disabling the Event MonitorLinux Configuration About Your Host Configuring Host AccessDefining a Host Using the Mappings TabSelect Mappings→ Define→ Host Configuration About Your Host Removing Host Access Managing Host GroupsCreating a Host Group Select Mappings→ RemoveMoving a Host to a Different Host Group Adding a Host to a Host GroupRemoving a Host From a Host Group Select Mappings→ MoveRemoving a Host Group Host TopologyLinux Starting or Stopping the Host Context AgentWindows Data Path Protection Click Action→ StartManaging Host Port Identifiers Add Host Port Identifier dialog is displayedConfiguration About Your Host Configuration Disk Groups and Virtual Disks Creating Disk Groups and Virtual DisksCreating Disk Groups Introduction Create Disk Group window is displayedConfiguration Disk Groups and Virtual Disks Locating a Disk Group Creating Virtual DisksConfiguration Disk Groups and Virtual Disks Changing the Virtual Disk Modification Priority Map later Using Mappings View100 Changing the Virtual Disk Cache Settings 101102 Changing the Segment Size of a Virtual Disk 103Select Virtual Disk→ Change→ Segment Size Changing the I/O Type104 File system typical Database Multimedia Custom Choosing an Appropriate Physical Disk Type105 Physical Disk Security with Self Encrypting Disk 106Shows how to interpret the security status of a disk group 107Creating a Security Key 108Click Create Key 109Confirm Change Security Key window is displayed Changing a Security Key110 Click Change Key Saving a Security Key111 Validate Security Key 112Erasing Secure Physical Disks Unlocking Secure Physical Disks113 Select Physical disk→ Hot Spare Coverage Configuring Hot Spare Physical Disks114 Hot Spares and Rebuild Hot Spare Physical Disk Options window is displayedClick Unassign 115Global Hot Spares Hot Spare OperationHot Spare Drive Protection 116Enclosure Loss Protection 117118 Criteria for Enclosure Loss Protection RAID LevelCreating Host-to-Virtual Disk Mappings Host-to-Virtual Disk Mapping119 120 Modifying and Removing Host-to-Virtual Disk Mapping 121Changing Controller Ownership of the Virtual Disk Removing Host-to-Virtual Disk MappingSelect Virtual Disk→ Change→ Ownership/Preferred Path 122Select Disk Group→ Change→ Ownership/Preferred Path 123Removing a Host-to-Virtual Disk Mapping Using Linux Dmmp Changing the RAID Level of a Disk GroupSelect Disk Group→ Change→ RAID Level 124125 126 Restricted MappingsOperating System Highest LUN 127 128 Changing the RAID Level of a Disk Group 129Storage Partitioning 130Select Disk Group→ Add Free Capacity Physical Disks Disk Group and Virtual Disk Expansion131 Virtual Disk Expansion Using Free Capacity132 Using Unconfigured Capacity Disk Group MigrationExport Disk Group Non-Exportable ComponentsImport Disk Group Exporting a Disk GroupImporting a Disk Group 134Non-Importable Components 135Storage Array Media Scan Changing Media Scan Settings136 Suspending the Media Scan 137138 Configuration Premium Feature- Snapshot Virtual Disks 139Common Reasons for Scheduling a Snapshot Virtual Disk Scheduling a Snapshot Virtual Disk140 Guidelines for Creating Snapshot Schedules 141Creating a Snapshot Virtual Disk Using the Simple Path Enabling and Disabling Snapshot SchedulesScheduled Snapshot Icons 142About the Simple Path 143144 145 About the Advanced Path Creating a Snapshot Virtual Disk Using the Advanced Path146 147 148 Creating the Snapshot Using the Advanced Path 149Specify Virtual Disk Parameters window is displayed 150Specifying Snapshot Virtual Disk Names 151Snapshot Repository Capacity 152153 Add Physical Disks window closes Click Add Physical Disks154 Disabling a Snapshot Virtual Disk 155Preparing Host Servers to Re-create a Snapshot Virtual Disk 156Re-creating Snapshot Virtual Disks Snapshot RollbackSelect Virtual Disk→ Snapshot→ Re-create 157Rules and Guidelines for Performing a Snapshot Rollback 158Command Line Options Protecting Against a Failed Snapshot RollbackPrevious Versions of the MD Storage Manager Starting a Snapshot RollbackResuming a Snapshot Rollback RollbackConfirm Rollback Snapshot Virtual Disk dialog is displayed 160Canceling a Snapshot Rollback 161162 Configuration Premium Feature- Virtual Disk Copy 163Offline Copy Types of Virtual Disk Copies164 Online Copy 165Virtual Disk Read/Write Permissions Creating a Virtual Disk Copy for an Mscs Shared Disk166 Virtual Disk Copy Restrictions 167Before you Begin Creating a Virtual Disk Copy168 Virtual Disk Copy and Modification Operations Create Copy WizardFailed Virtual Disk Copy 169Preferred RAID Controller Module Ownership Failed RAID Controller ModuleCopy Manager 170Copying the Virtual Disk 171Storage Array Performance During Virtual Disk Copy 172Setting Copy Priority Stopping a Virtual Disk CopySelect Change→ Copy Priority 173Preparing Host Servers to Recopy a Virtual Disk Recopying a Virtual Disk174 Re-Copying a Virtual Disk 175Removing Copy Pairs Select Copy→ Re-CopySelect Copy→ Remove Copy Pairs 176177 178 Configuration Device Mapper Multipath for Linux 179Prerequisite Steps Using DM Multipathing Devices180 Scan for Newly Added Virtual Disks Device Mapper Configuration Steps181 182 Add a New Partition to Device Mapper Create a New fdisk Partition on a Multipath Device Node183 Create a File System on a Device Mapper Partition Mount a Device Mapper PartitionReady for Use Blacklist Local Drive in Multi-path DriverImportant Information About Special Partitions 185Device Mapper Commands Descriptions 186Limitations and Known Issues 187188 TroubleshootingQuestion Answer Downloading RAID Controller and Nvsram Packages 189Downloading Both RAID Controller and Nvsram Firmware 190Click Transfer 191Downloading Only Nvsram Firmware 192Upgrade RAID Controller Module Firmware window is displayed Select Tools→ Upgrade RAID Controller Module Firmware193 194 Downloading Physical Disk Firmware 195196 AMW, select Advanced→ Maintenance→ Download→ EMM Firmware Downloading MD1200 Series Expansion Module EMM FirmwareDownload Environmental EMM Firmware dialog is displayed 197Self-Monitoring Analysis and Reporting Technology Smart Media Errors and Unreadable Sectors198 199 200 Recommended Tools Management Installing Array Components201 Installing the Front Bezel Front Bezel OptionalRemoving the Front Bezel 202Safety Models AMT, E03J, and E04J Hard DrivesRemoving a Hard-Drive Blank 203Removing a Hard Drive Installing a Hard-Drive Blank204 Removing and Installing a Hard Drive 205Installing a Hard Drive 206Removing a Hard Drive From a Hard-Drive Carrier 207208 Installing a Hard Drive Into a Hard-Drive Carrier RAID Controller ModuleRemoving a RAID Controller Module Blank 209Installing a RAID Controller Module Blank 210Removing a RAID Controller Module 211Opening the RAID Controller Module Installing a RAID Controller Module212 Closing the RAID Controller Module 213Removing the RAID Controller Module Backup Battery Unit RAID Controller Module Backup Battery Unit214 Installing the RAID Controller Module Backup Battery Unit 215Removing a Power Supply/Cooling Fan Module Power Supply/Cooling Fan Module216 Installing a Power Supply/Cooling Fan Module 217Removing the Control Panel Control Panel218 219 Installing the Control Panel 220Removing the Backplane Backplane221 222 16. Removing and Installing the Backplane-PowerVault MD3200 17. Removing and Installing the Backplane-PowerVault MD3220Installing the Backplane 224Viewing the Firmware Inventory Management Firmware Inventory225 226 Microsoft Services Virtual Disk ServiceVolume Shadow-Copy Service Management System Interfaces228 Troubleshooting Your Storage Array Software Start-Up RoutineDevice Health Conditions 229230 On the Setup tab, select Manage a Storage ArrayStatus Icon Description 231 Additional Status Icons DescriptionStorage Array Support Data 232Enter the Execution summary Automatically Collect the Support Bundle Data233 Event Log Collecting the Physical Disk Data234 Recovery Guru 235Select Storage Array→ View→ Profile Storage Array Profile236 237 Viewing the Physical Associations Viewing the Logical Associations238 Finding Nodes 239Using Go To Select Find all free capacity nodesClick Find Next 240Recovering From an Unresponsive Storage Array Condition 241242 243 Locating a Physical Disk 244Select Physical Disk→ Blink→ Expansion Enclosure Locating an Expansion Enclosure245 Capturing the State Information 246SMrepassist Utility 247Unidentified Devices Recovering From an Unidentified Storage Array248 249 250 Starting or Restarting the Host Context Agent Software 251252 Troubleshooting Your Array Troubleshooting Loss of CommunicationTroubleshooting External Connections 253Troubleshooting Power Supply/Cooling Fan Module 254Troubleshooting Expansion Enclosure Management Modules Troubleshooting Array Cooling Problems255 Troubleshooting RAID Controller Modules 256257 Troubleshooting Hard Drives 258Troubleshooting Array and Expansion Enclosure Connections 259Troubleshooting a Wet Storage Array 260Conditions Troubleshooting a Damaged Array261 ECC Errors PCI ErrorsInvalid Storage Array Critical ConditionsNoncritical Conditions 263264 Getting Help Contacting DellVisit support.dell.com Click All Support from Support menu266 Index 267268 269 270 271 272

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