Dell MD3600f, MD3620F owner manual Troubleshooting External Connections, 292

Page 292

Troubleshooting External Connections

•Verify that the cables are connected to the correct ports before troubleshooting any external devices. For the location of the back-panel connectors on your array, see Figure 3-1.

•Ensure that all the cables are securely attached to the external connectors on your array.

•For information on cabling, see the Dell PowerVault MD3600f Deployment Guide.

Troubleshooting Power Supply/Cooling Fan Module

CAUTION: Many repairs may only be done by a certified service technician. You should 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: It is recommended that you turn off the host server before turning off the array to prevent loss of data.

1Locate the faulty power supply and determine the status of the LEDs.

•If the AC power LED is not lit, check the power cord and power source into which the power supply is plugged.

•Connect another device to the power source to verify if it is working.

•Connect the cable to a different power source.

•Replace the power cable.

If the problem is not resolved, see "Getting Help" on page 303.

•If the DC power LED is not lit, verify that the power switch is turned on. If the power switch is turned on, see step 2.

•If the power supply’s fault indicator is lit, see "Getting Help" on page 303.

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Troubleshooting: Your Array

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Contents Dell PowerVault MD3600f and MD3620f Storage Arrays Page Contents Cache Functions and Features Planning MD3600f Series Storage Array Terms and ConceptsVirtual Disk Operations Limit Configuration About Configuring Alert NotificationsEnabling or Disabling the Event Monitor Moving a Host to a Different Host GroupStarting or Stopping the Host Context Agent Managing Host Port IdentifiersConfiguring Hot Spare Physical Disks Host-to-Virtual Disk Mapping130 133134 135148 153Snapshot Repository Capacity 154 157167 Failed RAID Controller Module 167168 169Using Remote Replication Viewing the Properties Pane Viewing Logical Elements Using DM Multipathing Devices 212 211219 221Power Supply/Cooling Fan Module 237 235239 242Media Errors and Unreadable Sectors 257 Self-Monitoring Analysis and Reporting 256Viewing the Firmware Inventory 259 261Recovering From an Unresponsive 276 275279 281Troubleshooting Power Troubleshooting Expansion 294 Enclosure Management ModulesTroubleshooting a Damaged Array 299 292Introduction About This DocumentDell PowerVault MD3600f Series Storage Array Dell PowerVault Modular Disk Storage ManagerOther Information You May Need 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 Power Indicator Codes Item LED Type Icon DescriptionPlanning RAID Controller Modules RAID Controller ModulesRAID Controller Module Connectors and Features FunctionComponent Function Battery Backup Unit RAID Controller Module-Additional FeaturesHost Channel LED Link/Rate Indications Cache Functions and Features System Password ResetStorage Array Thermal Shutdown Cache MirroringWrite-Back Cache SFP Transceivers, Fiber Optic, and SAS CablesWrite-Through Cache Fiber Optic Cable Connection Interoperability of 2 Gbps, 4 Gbps, and 8 Gbps Devices Planning MD3600f 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 Controller Virtual Disk States DescriptionRAID Levels RAID Level UsageRAID Virtual Disk Operations Segment SizeVirtual Disk Initialization Background Initialization Foreground InitializationConsistency Check Media VerificationCycle Time Virtual Disk Operations LimitRAID Level Migration Disk Group OperationsSegment Size Migration Virtual Disk Capacity Expansion Disk Group ExpansionDisk Group Defragmentation Disk Group Operations LimitRAID Background Operations Priority Virtual Disk Migration and Disk Roaming Disk MigrationPlanning MD3600f Series Storage Array Terms and Concepts Disk Roaming Advanced FeaturesHost Server-to-Virtual Disk Mapping Host Types Snapshot Virtual DisksSnapshot Repository Virtual Disk Virtual Disk CopySource Virtual Disk Virtual Disk RecoveryTarget Virtual Disk Multi-Path Software Using Snapshot and Disk Copy TogetherPreferred and Alternate Controllers and Paths Load Balancing Virtual Disk OwnershipMonitoring 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 Configuration Overview User InterfaceEnterprise Management Window Inheriting the System Settings Array Management WindowConfiguration Overview Out-of-Band and In-Band Management Out-of-Band ManagementAdding 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 AMW, select Storage Array→ Blink→ Storage Array Locating Storage ArraysStop All Indications Naming or Renaming Storage Arrays Name/Rename Storage Arrays dialog appearsSetting a Password Type the New passwordPassword 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 ArrayChange→ Enclosure ID Configuring Alert Notifications Select Configure AlertsChanging 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 Enabling or Disabling the Event Monitor WindowsLinux Select Action→ PropertiesConfiguration About Your Host Configuring Host AccessUsing the Mappings Tab Defining a HostSelect Mappings→ Define→ Host Managing Host Groups Removing Host AccessSelect Mappings→ Remove Creating a Host Group Select Mappings→ Define→ Host GroupAdding a Host to a Host Group Removing a Host From a Host GroupMoving a Host to a Different Host Group Removing a Host GroupSelect Mappings→ Move Move Host Confirmation dialog appearsStarting or Stopping the Host Context Agent Host TopologyLinux Windows Data Path ProtectionClick Action→ Start Managing Host Port Identifiers Add Host Port Identifier dialog appears Configuration About Your Host Configuration About Your Host Configuration Disk Groups and Virtual Disks Creating Disk Groups and Virtual DisksIntroduction Create Disk Group window is displayed Creating Disk Groups100 101 Locating a Disk Group Creating Virtual Disks103 Changing the Virtual Disk Modification Priority Map later Using Mappings View104 Changing the Virtual Disk Cache Settings 105106 Changing the Segment Size of a Virtual Disk 107Changing the I/O Type Select Virtual Disk→ Change→ Segment Size108 Modification PriorityFile system typical Database Multimedia Custom Choosing an Appropriate Physical Disk Type109 Physical Disk Security With Self Encrypting Disk 110111 Creating a Security Key 112Click Create Key 113Changing a Security Key 114Click Change Key Saving a Security Key115 116 Erasing Secure Physical Disks Unlocking Secure Physical Disks117 Select Physical disk→ Hot Spare Coverage Configuring Hot Spare Physical Disks118 Click Unassign Hot Spare Physical Disk Options window is displayed119 Hot Spares and Rebuild Global Hot SparesHot Spare Operation 120Hot Spare Drive Protection Enclosure Loss Protection121 122 Criteria for Enclosure Loss Protection RAID Level123 Creating Host-to-Virtual Disk Mappings Host-to-Virtual Disk Mapping124 125 Mapping Modifying and Removing Host-to-Virtual Disk Mapping126 Select Virtual Disk→ Change→ Ownership/Preferred Path Changing Controller Ownership of the Virtual Disk127 Removing Host-to-Virtual Disk Mapping 128Changing the RAID Level of a Disk Group Select Disk Group→ Change→ Ownership/Preferred PathSelect Disk Group→ Change→ RAID Level 129130 Restricted MappingsMapping Restrictions Operating System Highest LUN 131 Select Disk Group→ Ownership/Preferred Path. or 132Changing the RAID Level of a Disk Group 133Storage Partitioning 134Select Disk Group→ Add Free Capacity Physical Disks Disk Group and Virtual Disk Expansion135 Virtual Disk Expansion Using Free Capacity136 Using Unconfigured Capacity Disk Group MigrationExport Disk Group Non-Exportable ComponentsImport Disk Group Exporting a Disk GroupImporting a Disk Group 138Non-Importable Components Storage Array Media Scan139 Changing Media Scan Settings 140Suspending the Media Scan 141142 Configuration Premium Feature- Snapshot Virtual Disks 143Creating a Snapshot Virtual Disk Using the Simple Path 144About the Simple Path 145146 Select Virtual Disk→ Snapshot→ Create. or 147About the Advanced Path Creating a Snapshot Virtual Disk Using the Advanced Path148 149 150 Creating the Snapshot Using the Advanced Path 151Specify Virtual Disk Parameters window is displayed 152Specifying Snapshot Virtual Disk Names 153Snapshot Repository Capacity 154155 Add Physical Disks window closes Click Add Physical Disks156 Select Virtual Disk→ Snapshot→ Re-create Re-creating Snapshot Virtual Disks157 Disabling a Snapshot Virtual Disk 158Preparing Host Servers to Re-create a Snapshot Virtual Disk 159Re-creating a Snapshot Virtual Disk 160Configuration Premium Feature- Virtual Disk Copy 161Creating a Virtual Disk Copy for an Mscs Shared Disk 162Virtual Disk Read/Write Permissions 163Virtual Disk Copy Restrictions 164Before You Begin Creating a Virtual Disk Copy165 Virtual Disk Copy and Modification Operations Create Copy WizardFailed Virtual Disk Copy 166Preferred RAID Controller Module Ownership Failed RAID Controller ModuleCopy Manager 167Copying the Virtual Disk 168Storage Array Performance During Virtual Disk Copy Setting Copy Priority169 Stopping a Virtual Disk Copy Recopying a Virtual DiskSelect Change→ Copy Priority 170Preparing Host Servers to Recopy a Virtual Disk 171Select Copy→ Re-Copy Recopying the Virtual Disk172 Removing Copy Pairs 173174 175 176 Configuration Premium Feature- Remote Replication 177Replication Repository Virtual Disks Activating Remote Replication178 Primary and Secondary Virtual Disk Pairs RAID Levels for Replication Repository Virtual Disks179 Storage Partitioning With Remote Replication Using Remote Replication With Other Features180 Snapshot Virtual Disk With Remote Replication Virtual Disk Copy With Remote ReplicationVirtual Disk Expansion With Remote Replication 181Required Switch Zoning Configurations Switch CascadingZoning Guidelines for Remote Replication 182Setting Up and Managing Remote Replication Journaling File Systems and Remote ReplicationPrerequisites 183184 Completed Activate Remote Replication message is displayed Preview Activate Remote Replication wizard is displayed185 Creating a Remote Replication 186Selecting the Secondary Virtual Disk Setting the Write Mode187 Setting Synchronization Priority and Synchronization Method 188Completing the Remote Replication 189RAID Controller Module Ownership/Preferred Path 190Viewing the Storage Array Profile 191Viewing the Properties Pane Viewing Logical Elements of the Secondary Virtual DiskSelect View Associated Logical Elements 192193 Changing Write Mode and Consistency Group Membership Write Mode and Consistency Group Membership IconStatusVirtual Disk Status Icons 194Select Change→ Write Mode 195Normally Synchronized Virtual Disks Resynchronizing Virtual Disks196 Changing Synchronization Priority and Method 197198 Unsynchronized Virtual Disks 199Manually Resynchronizing Virtual Disks Automatically Resynchronizing Virtual Disks200 201 Suspending a Remote Replication 202About Resumed Remote Replications Resuming a Remote Replication203 Select Test Replication Communication 204Deleting a Primary Virtual Disk 205Deleting a Secondary Virtual Disk 206Removing a Remote Replication From a Storage Array 207Deactivating the Remote Replication on the Storage Array 208Disabling the Remote Replication Premium Feature 209210 Configuration Device Mapper Multipath for Linux 211Prerequisites Using DM Multipathing Devices212 Scan for Newly Added Virtual Disks Device Mapper Configuration Steps213 214 Add a New Partition to Device Mapper Create a New fdisk Partition on a Multipath Device Node215 Create a File System on a Device Mapper Partition Mount a Device Mapper PartitionReady for Use 216Important Information About Special Partitions Device Mapper Commands Descriptions217 Limitations and Known Issues 218219 TroubleshootingQuestionAnswer 220 Recommended Tools 221Installing the Front Bezel Front Bezel OptionalRemoving the Front Bezel 222Safety Models AMT, E03J, and E04J Hard DrivesRemoving a Drive Blank 223Removing a Hard Drive Installing a Drive Blank224 Removing and Installing a Hard Drive 225Installing a Hard Drive 226Removing a Hard Drive From a Hard-Drive Carrier 227228 Installing a Hard Drive Into a Drive Carrier RAID Controller ModuleRemoving a RAID Controller Module Blank 229Installing a RAID Controller Module Blank 230Removing a RAID Controller Module 231Installing a RAID Controller Module 232Opening the RAID Controller Module 233Closing the RAID Controller Module 234Removing the RAID Controller Module Backup Battery Unit RAID Controller Module Backup Battery Unit235 Installing the RAID Controller Module Backup Battery Unit 236Removing a Power Supply/Cooling Fan Module Power Supply/Cooling Fan Module237 Installing a Power Supply/Cooling Fan Module 238Removing the Control Panel Control Panel239 240 Installing the Control Panel 241Removing the Backplane Backplane242 243 16. Removing and Installing the Backplane-PowerVault MD3600f 17. Removing and Installing the Backplane-PowerVault MD3620fInstalling the Backplane 245246 Downloading RAID Controller and Nvsram Packages 247Downloading Both RAID Controller and Nvsram Firmware 248Click Transfer Select Tools→ Upgrade RAID Controller Module Firmware249 Downloading Only Nvsram Firmware 250251 Click Nvsram in the Download area 252Downloading Physical Disk Firmware 253Download Physical Disk Introduction window appears 254AMW, select Advanced→ Maintenance→ Download→ EMM Firmware Downloading MD1200 Series Expansion Module EMM FirmwareDownload Environmental EMM Firmware dialog appears 255Self-Monitoring Analysis and Reporting Technology Smart 256Media Errors and Unreadable Sectors 257258 Viewing the Firmware Inventory 259260 Microsoft Services Virtual Disk ServiceVolume Shadow-Copy Service 261262 Start-Up Routine Device Health Conditions263 Start-Up Routine Indications Look/listen for Action264 On the Setup tab, select Manage a Storage ArrayStatus Icon Description 265 Additional Status Icons DescriptionStorage Array Support Data 266Enter the Execution summary Automatically Collect the Support Bundle Data267 Collecting the Physical Disk Data 268Event Log 269Storage Array Profile Recovery Guru270 271 Select View→ Associated Logical Elements. or Viewing the Logical Associations272 Finding Nodes Viewing the Physical Associations273 Select Find all free capacity nodes 274Using Go To Click Find NextSelect View→ Go To→ Snapshot Virtual Disk Select View→ Go To→ Snapshot Repository Virtual DiskRecovering From an Unresponsive Storage Array Condition Select View→ Go To→ Source Virtual DiskSelect View→ Go To→ Target Virtual Disk 276277 278 Locating an Expansion Enclosure Locating a Physical Disk279 Select Physical Disk→ Blink→ Expansion Enclosure Capturing the State Information280 SMrepassist Utility 281Unidentified Devices Recovering From an Unidentified Storage Array282 283 284 Starting or Restarting the Host Context Agent Software 285286 287 288 Troubleshooting an SFP Transceiver Troubleshooting Loss of Communication289 290 291 Removing an SFP ModuleTroubleshooting Power Supply/Cooling Fan Module Troubleshooting External Connections292 Troubleshooting Array Cooling Problems 293Troubleshooting Expansion Enclosure Management Modules 294Troubleshooting RAID Controller Modules 295Troubleshooting Hard Drives 296Troubleshooting Array and Expansion Enclosure Connections 297Troubleshooting a Wet Storage Array 298Troubleshooting a Damaged Array 299ECC Errors ConditionsInvalid Storage Array 300PCI Errors Critical ConditionsNoncritical Conditions 301302 Visit support.dell.com Contacting Dell303 304 Index 305306 307 308 309 310 311 312
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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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