Dell MD3220, MD3200 owner manual Starting or Restarting the Host Context Agent Software, 239

Page 239

Starting or Restarting the Host Context Agent Software

The host context agent software module is the software component that resides on the server or management station that communicates with the MD3200 series storage arrays. The SMagent software automatically starts after you reboot the host.

Windows

To restart the SMagent software in Windows:

1Click Start→ Settings→ Control Pane→ Administrative Tools→ Services. or

Click Start→ Administrative Tools→ Services.

2In the Services dialog, select Modular Disk Storage Manager Agent.

3If the modular disk storage manager agent is running, click Action→ Stop, then wait approximately 5 seconds.

4Click Action→ Start.

Linux

To start or restart the host context agent software in Linux, enter the following command at the prompt:

SMagent start

The SMagent software might take a little time to initialize. The cursor is shown, but the terminal window does not respond. When the program starts, the following message is displayed:

SMagent started.

Troubleshooting: Your Storage Array Software

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Image 239

Contents Dell PowerVault MD3200 and MD3220 Storage Arrays May Contents Planning MD3200 Series Storage Array Terms and Concepts Cache Functions and FeaturesVirtual Disk Operations Limit Out-of-Band and In-Band Management Configuring Alert NotificationsManaging Host Port Identifiers Enabling or Disabling the Event MonitorHost-to-Virtual Disk Mapping Configuring Hot Spare Physical DisksPhysical Disk Security with Self Encrypting 125 Creating a Snapshot Virtual Disk UsingSnapshot Using the Simple Path 137 122154 145Re-creating a Snapshot Virtual Disk 152 Creating a Virtual Disk Copy for an Mscs161 Using DM Multipathing Devices 168159 160178 Media Errors and Unreadable Sectors 187Downloading RAID Controller and Nvsram 177206 Power Supply/Cooling Fan Module 204197 202221 Recovering From an Unresponsive Storage 229217 Storage Array Support Data 220Troubleshooting External Connections Safety First-For you and Your ArrayTroubleshooting Storage Array Startup Failure Troubleshooting Loss of Communication253 About This Document IntroductionDell PowerVault Modular Disk Storage Manager Dell PowerVault MD3200 Series Storage ArrayOther Information you May Need 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 ModulesFunction RAID Controller Module Connectors and FeaturesItem Component Function Component Function RAID Controller Module-Additional FeaturesBattery Backup Unit 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 Controller Virtual Disk States Description RAID LevelsVirtual Disk States RAID RAID Level UsageRAID Background Initialization Segment SizeVirtual Disk Operations Virtual Disk InitializationCycle Time Consistency CheckMedia Verification Segment Size Migration Disk Group OperationsVirtual Disk Operations Limit RAID Level 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 RecoveryVirtual Disk Copy Source Virtual DiskMulti-Path Software Using Snapshot and Disk Copy TogetherVirtual Disk Ownership Preferred and Alternate Controllers and PathsLoad Balancing Monitoring MD3200 Series System Performance Performance Monitor Table Description Column Headings For more information, see the online help topics Planning MD3200 Series Storage Array Terms and Concepts User Interface Configuration OverviewEnterprise Management Window Array Management Window Inheriting the System SettingsSelect Tools→ Inherit System Settings Select Inherit system settings for color and fontConfiguration 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 appears Naming or Renaming Storage ArraysType the New password Setting a PasswordPassword 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 Enclosure Order in the Physical Pane Changing the Cache Settings on the Storage ArrayChanging Expansion Enclosure ID Number 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 Battery Settings Setting the Storage Array RAID Controller Module Clocks Configuration About Your Storage Array 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 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 GroupWindows Starting or Stopping the Host Context AgentLinux Click Action→ Start Data Path ProtectionAdd Host Port Identifier dialog appears 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 Changing the Virtual Disk Modification Priority Map later Using Mappings ViewChanging the Virtual Disk Cache Settings 100 101 Changing the Segment Size of a Virtual Disk102 Changing the I/O TypeSelect Virtual Disk→ Change→ Segment Size 103 Choosing an Appropriate Physical Disk TypeFile system typical Database Multimedia Custom 104 Physical Disk Security with Self Encrypting Disk105 106 Creating a Security Key107 Click Create Key108 Changing a Security KeyConfirm Change Security Key window is displayed 109 Saving a Security KeyClick Change Key 110 Unlocking Secure Physical Disks111 Configuring Hot Spare Physical DisksErasing Secure Physical Disks 112 Select Physical disk→ Hot Spare CoverageHot Spare Physical Disk Options window is displayed 113 Hot Spares and RebuildGlobal Hot Spares Click Unassign114 Hot Spare OperationHot Spare Drive Protection Criteria for Enclosure Loss Protection RAID Level Enclosure Loss Protection115 116 Host-to-Virtual Disk Mapping117 Creating Host-to-Virtual Disk Mappings118 Modifying and Removing Host-to-Virtual Disk Mapping119 Changing Controller Ownership of the Virtual Disk120 Removing Host-to-Virtual Disk MappingSelect Virtual Disk→ Change→ Ownership/Preferred Path 121 Select Disk Group→ Change→ Ownership/Preferred Path122 Restricted MappingsChanging the RAID Level of a Disk Group Select Disk Group→ Change→ RAID Level123 124 125 Changing the RAID Level of a Disk Group126 Storage Partitioning127 128 Disk Group and Virtual Disk ExpansionSelect Disk Group→ Add Free Capacity Physical Disks 129 Using Free CapacityUsing Unconfigured Capacity Virtual Disk ExpansionNon-Exportable Components Disk Group MigrationExport Disk Group Exporting a Disk Group131 Import Disk GroupImporting a Disk Group 132 Storage Array Media ScanNon-Importable Components 133 Changing Media Scan Settings134 Suspending the Media Scan135 Configuration Premium Feature- Snapshot Virtual Disks136 Creating a Snapshot Virtual Disk Using the Simple Path137 About the Simple Path138 139 140 Creating a Snapshot Virtual Disk Using the Advanced PathAbout the Advanced Path 141 142 143 Creating the Snapshot Using the Advanced Path144 Specify Virtual Disk Parameters window is displayed145 Specifying Snapshot Virtual Disk Names146 Snapshot Repository Capacity147 148 Click Add Physical DisksAdd Physical Disks window closes 149 Re-creating Snapshot Virtual DisksSelect Virtual Disk→ Snapshot→ Re-create 150 Disabling a Snapshot Virtual Disk151 Preparing Host Servers to Re-create a Snapshot Virtual Disk152 Re-creating a Snapshot Virtual DiskSelect Virtual Disk → Snapshot→ Re-create 153 Configuration Premium Feature- Virtual Disk Copy154 Creating a Virtual Disk Copy for an Mscs Shared Disk155 Virtual Disk Read/Write PermissionsVirtual Disk Copy Restrictions 156 Creating a Virtual Disk Copy157 Before you BeginVirtual Disk Copy and Modification Operations Create Copy Wizard158 Preferred RAID Controller Module OwnershipFailed RAID Controller Module Failed Virtual Disk Copy159 Copy ManagerCopying the Virtual Disk 160 Storage Array Performance During Virtual Disk Copy161 Setting Copy PriorityStopping a Virtual Disk Copy Select Change→ Copy Priority162 Recopying a Virtual DiskPreparing Host Servers to Recopy a Virtual Disk 163 Recopying the Virtual Disk164 Removing Copy PairsSelect Copy→ Re-Copy 165 166 167 Configuration Device Mapper Multipath for Linux168 Using DM Multipathing DevicesPrerequisite Steps 169 Device Mapper Configuration StepsScan for Newly Added Virtual Disks 170 171 Create a New fdisk Partition on a Multipath Device NodeAdd a New Partition to Device Mapper Important Information About Special Partitions Create a File System on a Device Mapper PartitionMount a Device Mapper Partition Ready for Use173 Device Mapper Commands Descriptions174 Limitations and Known IssuesQuestionAnswer Troubleshooting175 176 177 Downloading RAID Controller and Nvsram Packages178 Downloading Both RAID Controller and Nvsram Firmware179 Click Transfer180 Downloading Only Nvsram Firmware181 Select Tools→ Upgrade RAID Controller Module FirmwareUpgrade RAID Controller Module Firmware window appears 182 183 Downloading Physical Disk Firmware184 185 AMW, select Advanced→ Maintenance→ Download→ EMM FirmwareDownloading MD1200 Series Expansion Module EMM Firmware Download Environmental EMM Firmware dialog appears186 Self-Monitoring Analysis and Reporting Technology Smart187 Media Errors and Unreadable Sectors188 189 Management Installing Array ComponentsRecommended Tools 190 Installing the Front BezelFront Bezel Optional Removing the Front Bezel191 Safety Models AMT, E03J, and E04JHard Drives Removing a Drive Blank192 Installing a Drive BlankRemoving a Hard Drive 193 Removing and Installing a Hard Drive194 Installing a Hard Drive195 Removing a Hard Drive From a Hard-Drive Carrier196 197 Installing a Hard Drive Into a Drive CarrierRAID Controller Module Removing a RAID Controller Module Blank198 Installing a RAID Controller Module Blank199 Removing a RAID Controller Module200 Installing a RAID Controller ModuleOpening the RAID Controller Module 201 Closing the RAID Controller Module202 RAID Controller Module Backup Battery UnitRemoving the RAID Controller Module Backup Battery Unit 203 Installing the RAID Controller Module Backup Battery Unit204 Power Supply/Cooling Fan ModuleRemoving a Power Supply/Cooling Fan Module 205 Installing a Power Supply/Cooling Fan Module206 Control PanelRemoving the Control Panel 207 208 Installing the Control Panel209 BackplaneRemoving the Backplane 210 17. Removing and Installing the Backplane-PowerVault MD3220 16. Removing and Installing the Backplane-PowerVault MD3200212 Installing the Backplane213 Management Firmware InventoryViewing the Firmware Inventory 214 Management System Interfaces Microsoft ServicesVirtual Disk Service Volume Shadow-Copy Service216 217 Troubleshooting Your Storage Array SoftwareStart-Up Routine Device Health ConditionsStatus Icon Description On the Setup tab, select Manage a Storage Array218 Additional Status Icons Description 219220 Storage Array Support Data221 Automatically Collect the Support Bundle DataEnter the Execution summary 222 Collecting the Physical Disk DataEvent Log 223 Recovery Guru224 Storage Array ProfileSelect Storage Array→ View→ Profile 225 226 Viewing the Logical AssociationsViewing the Physical Associations 227 Finding Nodes228 Using Go ToSelect Find all free capacity nodes Click Find Next229 Recovering From an Unresponsive Storage Array Condition230 231 232 Locating a Physical Disk233 Locating an Expansion EnclosureSelect Physical Disk→ Blink→ Expansion Enclosure 234 Capturing the State Information235 SMrepassist Utility236 Recovering From an Unidentified Storage ArrayUnidentified Devices 237 238 239 Starting or Restarting the Host Context Agent Software240 241 Troubleshooting Your ArrayTroubleshooting Loss of Communication Troubleshooting External Connections242 Troubleshooting Power Supply/Cooling Fan Module243 Troubleshooting Array Cooling ProblemsTroubleshooting Expansion Enclosure Management Modules 244 Troubleshooting RAID Controller Modules245 246 Troubleshooting Hard Drives247 Troubleshooting Array and Expansion Enclosure Connections248 Troubleshooting a Wet Storage Array249 Troubleshooting a Damaged ArrayConditions Critical Conditions ECC ErrorsPCI Errors Invalid Storage Array251 Noncritical Conditions252 Click All Support from Support menu Getting HelpContacting Dell Visit support.dell.com254 255 Index256 257 258 259 260

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