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12For an in-band managed storage array, make sure that the host is network accessible by using the ping command to verify that the host can be reached. Type one of these commands, and press <Enter>.

•ping <host-name>

•ping <RAID controller module-IP-address>

13If the verification successful, see step 14, if not, step 15.

14Remove the host with the Unresponsive status from the EMW, and select Add Storage Array to add the host again.

15If the host does not return to Optimal status, go to step 16.

16Ensure that the host is turned on and operational and that the host adapters are installed.

17Check all external cables and switches or hubs to make sure that no visible damage exists and that they are securely connected.

18Make sure the host context agent software is installed and running.

If you started the host system before you were connected to the RAID controller module in the storage array, the host context agent software is not able to detect the RAID controller modules. If this is the case, make sure that the connections are secure, and restart the host context agent software.

19If you have recently replaced or added the RAID controller module, restart the host context agent software so that the new RAID controller module is recognized.

20If the problem still exists, make the appropriate host modifications, check with other administrators to see if a firmware upgrade was performed on the RAID controller module from another storage management station.

If a firmware upgrade was performed, the EMW on your management station may not be able to locate the new AMW software needed to manage the storage array with the new version of the firmware.

21If the problem persists contact your Technical Support representative.

Troubleshooting: Your Storage Array Software

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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 NotificationsEnabling or Disabling the Event Monitor Managing Host Port IdentifiersCreating Disk Groups and Virtual Disks Configuring Hot Spare Physical Disks Physical Disk Security with SelfHost-to-Virtual Disk Mapping 131 126129 130151 Creating a Snapshot Virtual Disk Using 142Creating a Snapshot Virtual Disk Using 146165 160161 Types of Virtual Disk Copies 164179 Using DM Multipathing Devices 180174 176203 Self-Monitoring Analysis and Reporting201 202221 RAID Controller Module Backup Battery Unit 214Power Supply/Cooling Fan Module 216 218Collecting the Physical Disk Data 234 Recovering From an Unresponsive Storage 241232 233Troubleshooting a Damaged Array 261 Safety First-For you and Your Array 253Troubleshooting Power Supply/Cooling 254 Troubleshooting Expansion EnclosureGetting Help Contacting Dell Index Contents About This Document IntroductionDell PowerVault Modular Disk Storage Manager Other Information you May NeedMD3200 Series Storage Array 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 RAID Controller Module-Additional Features Battery Backup UnitComponent Function Event Description System Password ResetStorage Array Thermal Shutdown Shutdown Threshold TypeWrite-Through Cache Cache Functions and FeaturesCache Mirroring Write-Back 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 Levels Virtual Disk StatesRAID Controller Virtual Disk States Description RAID RAID Level UsageRAID Background Initialization Segment SizeVirtual Disk Operations Virtual Disk InitializationConsistency Check Media VerificationCycle Time Segment Size Migration Disk Group OperationsVirtual Disk Operations Limit RAID Level MigrationDisk Group Expansion Virtual Disk Capacity ExpansionRAID Background Operations Priority Disk Group DefragmentationDisk Group Operations Limit Disk Migration Virtual Disk Migration and Disk RoamingPlanning MD3200 Series Storage Array Terms and Concepts Disk Roaming Advanced FeaturesHost Server-to-Virtual Disk Mapping Host TypesSnapshot Virtual Disks Snapshot Repository Virtual Disk Virtual Disk Copy Source Virtual DiskTarget Virtual Disk Virtual Disk Recovery Using Snapshot and Disk Copy TogetherMulti-Path Software 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 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 AMW, select Storage Array→ Blink→ Storage Array Locating Storage ArraysAMW Setup tab, select Rename Storage Array Naming or Renaming Storage ArraysName/Rename Storage Arrays dialog is displayed Setting a Password PasswordType the New password Viewing Storage Array Connections Password GuidelinesSelect Edit→ Remove→ Storage Array Adding/Editing a Comment to an Existing Storage ArrayRemoving Storage Arrays Select Edit→ CommentFailover Alert Display Enabling Premium FeaturesChanging the Cache Settings on the Storage Array Changing Expansion Enclosure ID NumberChanging the Enclosure Order in the Physical Pane Select All storage arrays Configuring Alert NotificationsSelect Configure Alerts 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 Enabling or Disabling the Event Monitor WindowsLinux Configuring Host Access Configuration About Your HostUsing the Mappings Tab Defining a HostSelect Mappings→ Define→ Host Configuration About Your Host Select Mappings→ Remove Removing Host AccessManaging Host Groups Creating a Host GroupSelect Mappings→ Move Moving a Host to a Different Host GroupAdding a Host to a Host Group Removing a Host From a Host GroupHost Topology Removing a Host GroupStarting or Stopping the Host Context Agent LinuxWindows 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 Map later Using Mappings View Changing the Virtual Disk Modification Priority100 101 Changing the Virtual Disk Cache Settings102 103 Changing the Segment Size of a Virtual DiskChanging the I/O Type Select Virtual Disk→ Change→ Segment Size104 Choosing an Appropriate Physical Disk Type File system typical Database Multimedia Custom105 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 KeyChanging a Security Key Confirm Change Security Key window is displayed110 Saving a Security Key Click Change Key111 112 Validate Security KeyUnlocking Secure Physical Disks Erasing Secure Physical Disks113 Configuring Hot Spare Physical Disks Select Physical disk→ Hot Spare Coverage114 115 Hot Spares and RebuildHot Spare Physical Disk Options window is displayed Click Unassign116 Global Hot SparesHot Spare Operation Hot Spare Drive Protection117 Enclosure Loss ProtectionCriteria for Enclosure Loss Protection RAID Level 118Host-to-Virtual Disk Mapping Creating Host-to-Virtual Disk Mappings119 120 121 Modifying and Removing Host-to-Virtual Disk Mapping122 Changing Controller Ownership of the Virtual DiskRemoving Host-to-Virtual Disk Mapping Select Virtual Disk→ Change→ Ownership/Preferred Path123 Select Disk Group→ Change→ Ownership/Preferred Path124 Removing a Host-to-Virtual Disk Mapping Using Linux DmmpChanging the RAID Level of a Disk Group Select Disk Group→ Change→ RAID Level125 Restricted Mappings 126Operating System Highest LUN 127 128 129 Changing the RAID Level of a Disk Group130 Storage PartitioningDisk Group and Virtual Disk Expansion Select Disk Group→ Add Free Capacity Physical Disks131 Using Free Capacity Virtual Disk Expansion132 Non-Exportable Components Using Unconfigured CapacityDisk Group Migration Export Disk Group134 Import Disk GroupExporting a Disk Group Importing a Disk Group135 Non-Importable ComponentsChanging Media Scan Settings Storage Array Media Scan136 137 Suspending the Media Scan138 139 Configuration Premium Feature- Snapshot Virtual DisksScheduling a Snapshot Virtual Disk Common Reasons for Scheduling a Snapshot Virtual Disk140 141 Guidelines for Creating Snapshot Schedules142 Creating a Snapshot Virtual Disk Using the Simple PathEnabling and Disabling Snapshot Schedules Scheduled Snapshot Icons143 About the Simple Path144 145 Creating a Snapshot Virtual Disk Using the Advanced Path About the Advanced Path146 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 Click Add Physical Disks Add Physical Disks window closes154 155 Disabling a Snapshot Virtual Disk156 Preparing Host Servers to Re-create a Snapshot Virtual Disk157 Re-creating Snapshot Virtual DisksSnapshot Rollback Select Virtual Disk→ Snapshot→ Re-create158 Rules and Guidelines for Performing a Snapshot RollbackStarting a Snapshot Rollback Command Line OptionsProtecting Against a Failed Snapshot Rollback Previous Versions of the MD Storage Manager160 Resuming a Snapshot RollbackRollback Confirm Rollback Snapshot Virtual Disk dialog is displayed161 Canceling a Snapshot Rollback162 163 Configuration Premium Feature- Virtual Disk CopyTypes of Virtual Disk Copies Offline Copy164 165 Online CopyCreating a Virtual Disk Copy for an Mscs Shared Disk Virtual Disk Read/Write Permissions166 167 Virtual Disk Copy RestrictionsCreating a Virtual Disk Copy Before you Begin168 169 Virtual Disk Copy and Modification OperationsCreate Copy Wizard Failed Virtual Disk Copy170 Preferred RAID Controller Module OwnershipFailed RAID Controller Module Copy Manager171 Copying the Virtual Disk172 Storage Array Performance During Virtual Disk Copy173 Setting Copy PriorityStopping a Virtual Disk Copy Select Change→ Copy PriorityRecopying a Virtual Disk Preparing Host Servers to Recopy a Virtual Disk174 175 Re-Copying a Virtual Disk176 Removing Copy PairsSelect Copy→ Re-Copy Select Copy→ Remove Copy Pairs177 178 179 Configuration Device Mapper Multipath for LinuxUsing DM Multipathing Devices Prerequisite Steps180 Device Mapper Configuration Steps Scan for Newly Added Virtual Disks181 182 Create a New fdisk Partition on a Multipath Device Node Add a New Partition to Device Mapper183 Blacklist Local Drive in Multi-path Driver Create a File System on a Device Mapper PartitionMount a Device Mapper Partition Ready for Use185 Important Information About Special Partitions186 Device Mapper Commands Descriptions187 Limitations and Known IssuesTroubleshooting 188Question Answer 189 Downloading RAID Controller and Nvsram Packages190 Downloading Both RAID Controller and Nvsram Firmware191 Click Transfer192 Downloading Only Nvsram FirmwareSelect Tools→ Upgrade RAID Controller Module Firmware Upgrade RAID Controller Module Firmware window is displayed193 194 195 Downloading Physical Disk Firmware196 197 AMW, select Advanced→ Maintenance→ Download→ EMM FirmwareDownloading MD1200 Series Expansion Module EMM Firmware Download Environmental EMM Firmware dialog is displayedMedia Errors and Unreadable Sectors Self-Monitoring Analysis and Reporting Technology Smart198 199 200 Management Installing Array Components Recommended Tools201 202 Installing the Front BezelFront Bezel Optional Removing the Front Bezel203 Safety Models AMT, E03J, and E04JHard Drives Removing a Hard-Drive BlankInstalling a Hard-Drive Blank Removing a Hard Drive204 205 Removing and Installing a Hard Drive206 Installing a Hard Drive207 Removing a Hard Drive From a Hard-Drive Carrier208 209 Installing a Hard Drive Into a Hard-Drive CarrierRAID Controller Module Removing a RAID Controller Module Blank210 Installing a RAID Controller Module Blank211 Removing a RAID Controller ModuleInstalling a RAID Controller Module Opening the RAID Controller Module212 213 Closing the RAID Controller ModuleRAID Controller Module Backup Battery Unit Removing the RAID Controller Module Backup Battery Unit214 215 Installing the RAID Controller Module Backup Battery UnitPower Supply/Cooling Fan Module Removing a Power Supply/Cooling Fan Module216 217 Installing a Power Supply/Cooling Fan ModuleControl Panel Removing the Control Panel218 219 220 Installing the Control PanelBackplane Removing the Backplane221 222 17. Removing and Installing the Backplane-PowerVault MD3220 16. Removing and Installing the Backplane-PowerVault MD3200224 Installing the BackplaneManagement Firmware Inventory Viewing the Firmware Inventory225 226 Management System Interfaces Microsoft ServicesVirtual Disk Service Volume Shadow-Copy Service228 229 Troubleshooting Your Storage Array SoftwareStart-Up Routine Device Health ConditionsOn the Setup tab, select Manage a Storage Array 230Status Icon Description Additional Status Icons Description 231232 Storage Array Support DataAutomatically Collect the Support Bundle Data Enter the Execution summary233 Collecting the Physical Disk Data Event Log234 235 Recovery GuruStorage Array Profile Select Storage Array→ View→ Profile236 237 Viewing the Logical Associations Viewing the Physical Associations238 239 Finding Nodes240 Using Go ToSelect Find all free capacity nodes Click Find Next241 Recovering From an Unresponsive Storage Array Condition242 243 244 Locating a Physical DiskLocating an Expansion Enclosure Select Physical Disk→ Blink→ Expansion Enclosure245 246 Capturing the State Information247 SMrepassist UtilityRecovering From an Unidentified Storage Array Unidentified Devices248 249 250 251 Starting or Restarting the Host Context Agent Software252 253 Troubleshooting Your ArrayTroubleshooting Loss of Communication Troubleshooting External Connections254 Troubleshooting Power Supply/Cooling Fan ModuleTroubleshooting Array Cooling Problems Troubleshooting Expansion Enclosure Management Modules255 256 Troubleshooting RAID Controller Modules257 258 Troubleshooting Hard Drives259 Troubleshooting Array and Expansion Enclosure Connections260 Troubleshooting a Wet Storage ArrayTroubleshooting a Damaged Array Conditions261 Critical Conditions ECC ErrorsPCI Errors Invalid Storage Array263 Noncritical Conditions264 Click All Support from Support menu Getting HelpContacting Dell Visit support.dell.com266 267 Index268 269 270 271 272

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