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Dell MD3200, MD3220 - page 176

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176 Configuration: Device Mapper Multipath for Linux

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Contents

Main Notes, Cautions, and Warnings ____________________ Contents 1 Introduction 2 Planning: About Y our Storage Array 3 Planning: RAID Controller Modules 4 Planning: MD3200 Series Storage Array T erms and Concepts Page 5 Configuration: Overview 6 Configuration: About Your Storage Array 7 Configuration: Event Monitor 8 Configuration: About Your Host. . . . . . . . 83 9 Configuration: Disk Groups and Virtual Disks Page 10 Configuration: Premium Feature Snapshot Virtual Disks 11 Configuration: Premium Feature Virtual Disk Copy Page 14 Management: Firmware Downloads 15 Management: Installing Array Components 16 Management: Firmware Inventory 17 Management: Sy stem Interfaces 18 Troubleshooting: Your Storage Array Software 19 T roubleshooting: Y our Array 20 Getting Help Index Introduction About This Document Inside the box of the Dell PowerVault MD3200 Series Storage Array Dell PowerVault MD3200 Series Storage Array Dell PowerVault Modular Disk Storage Manager Other Information you May Need Page Planning: About Your Storage Array Overview Hardware Features Front-Panel Features and Indicators Page 24 NOTE: Back Panel Features and Indicators Page Power Supply and Cooling Fan Features Power Indicator Codes Planning: RAID Controller Modules RAID Controller Modules 30 RAID Controller Module Connectors and Features Page 32 RAID Controller ModuleAdditional Features Battery Backup Unit Storage Array Thermal Shutdown System Password Reset Cache Functions and Features Cache Mirroring Write-Back Cache Write-Through Cache Planning: MD3200 Series Storage Array Terms and Concepts Physical Disks, Virtual Disks, and Disk Groups 36 Physical Disks Physical Disk States Self-Monitoring Analysis and Reporting Technology Virtual Disks and Disk Groups Virtual Disk States RAID Levels RAID Level Usage Page Segment Size Virtual Disk Operations Virtual Disk Initialization Background Initialization Foreground Initialization Consistency Check Media Verification Cycle Time Virtual Disk Operations Limit Disk Group Operations RAID Level Migration Segment Size Migration Virtual Disk Capacity Expansion Disk Group Expansion Disk Group Defragmentation Disk Group Operations Limit RAID Background Operations Priority Virtual Disk Migration and Disk Roaming Disk Migration Page Disk Roaming Advanced Features Host Server-to-Virtual Disk Mapping Host Types Snapshot Virtual Disks Snapshot Repository Virtual Disk Virtual Disk Copy Virtual Disk Recovery Using Snapshot and Disk Copy Together Multi-Path Software Preferred and Alternate Controllers and Paths Virtual Disk Ownership Load Balancing Monitoring MD3200 Series System Performance Page Page Page Configuration: Overview User Interface Enterprise Management Window Array Management Window Page Configuration: About Your Storage Array Out-of-Band and In-Band Management Storage Arrays Adding Storage Arrays Page Setting Up Your Storage Array Locating Storage Arrays Naming or Renaming Storage Arrays Setting a Password Viewing Storage Array Connections Adding/Editing a Comment to an Existing Storage Array Removing Storage Arrays Enabling Premium Features Failover Alert Display Changing the Cache Settings on the Storage Array Changing Expansion Enclosure ID Number Changing the Enclosure Order in the Physical Pane Configuring Alert Notifications Configuring E-mail Alerts Page Configuring SNMP Alerts Battery Settings Setting the Storage Array RAID Controller Module Clocks Page Configuration: Event Monitor Enabling or Disabling the Event Monitor Windows Linux Configuration: About Your Host Configuring Host Access Using the Mappings Tab Defining a Host Page Removing Host Access Managing Host Groups Creating a Host Group Moving a Host to a Different Host Group Removing a Host Group Host Topology Starting or Stopping the Host Context Agent I/O Data Path Protection Managing Host Port Identifiers Page Configuration: Disk Groups and Virtual Disks Creating Disk Groups and Virtual Disks Creating Disk Groups Page Locating a Disk Group Creating Virtual Disks Page Changing the Virtual Disk Modification Priority Changing the Virtual Disk Cache Settings Page Changing the Segment Size of a Virtual Disk Changing the I/O Type Choosing an Appropriate Physical Disk Type Physical Disk Security with Self Encrypting Disk Page Creating a Security Key Page Changing a Security Key Saving a Security Key Unlocking Secure Physical Disks Erasing Secure Physical Disks Configuring Hot Spare Physical Disks Page Hot Spares and Rebuild Global Hot Spares Hot Spare Operation Hot Spare Drive Protection Enclosure Loss Protection Host-to-Virtual Disk Mapping Creating Host-to-Virtual Disk Mappings Modifying and Removing Host-to-Virtual Disk Mapping Changing Controller Ownership of the Virtual Disk Removing Host-to-Virtual Disk Mapping Changing the RAID Controller Module Ownership of a Disk Group Changing the RAID Level of a Disk Group Restricted Mappings Page Changing the RAID Controller Module Ownership of a Virtual Disk or a Disk Group Changing the RAID Level of a Disk Group Storage Partitioning Page Disk Group and Virtual Disk Expansion Disk Group Expansion Virtual Disk Expansion Using Free Capacity Using Unconfigured Capacity Disk Group Migration Export Disk Group Exporting a Disk Group Import Disk Group Importing a Disk Group Storage Array Media Scan Changing Media Scan Settings Suspending the Media Scan Snapshot Virtual Disks Creating a Snapshot Virtual Disk Using the Simple Path About the Simple Path Preparing Host Servers to Create the Snapshot Using the Simple Path Page Page Creating a Snapshot Virtual Disk Using the Advanced Path About the Advanced Path Preparing Host Servers to Create the Snapshot Using the Advanced Path Page Creating the Snapshot Using the Advanced Path Page Specifying Snapshot Virtual Disk Names Snapshot Repository Capacity Page Page Re-creating Snapshot Virtual Disks Disabling a Snapshot Virtual Disk Preparing Host Servers to Re-create a Snapshot Virtual Disk Re-creating a Snapshot Virtual Disk Virtual Disk Copy Creating a Virtual Disk Copy for an MSCS Shared Disk Virtual Disk Read/Write Permissions Virtual Disk Copy Restrictions Creating a Virtual Disk Copy Before you Begin Virtual Disk Copy and Modification Operations Create Copy Wizard Failed Virtual Disk Copy Preferred RAID Controller Module Ownership Failed RAID Controller Module Copy Manager Copying the Virtual Disk Storage Array Performance During Virtual Disk Copy Setting Copy Priority Stopping a Virtual Disk Copy Recopying a Virtual Disk Preparing Host Servers to Recopy a Virtual Disk Recopying the Virtual Disk Removing Copy Pairs Upgrading to High-Performance- Tier Page Configuration: Device Mapper Multipath for Linux Overview Using DM Multipathing Devices Prerequisite Steps Device Mapper Configuration Steps Page Page Page Page Limitations and Known Issues Troubleshooting Page Management: Firmware Downloads Downloading RAID Controller and NVSRAM Packages Downloading Both RAID Controller and NVSRAM Firmware Page Downloading Only NVSRAM Firmware Page Page Downloading Physical Disk Firmware Page Downloading MD1200 Series Expansion Module EMM Firmware Self-Monitoring Analysis and Reporting Technology (SMART) Media Errors and Unreadable Sectors Page Page Front Bezel (Optional) Removing the Front Bezel Installing the Front Bezel Hard Drives SAFETY: Models AMT, E03J, and E04J Removing a Drive Blank Installing a Drive Blank Removing a Hard Drive Page Installing a Hard Drive Removing a Hard Drive From a Hard-Drive Carrier 196 Installing a Hard Drive Into a Drive Carrier RAID Controller Module Removing a RAID Controller Module Blank Installing a RAID Controller Module Blank Removing a RAID Controller Module Installing a RAID Controller Module Opening the RAID Controller Module Closing the RAID Controller Module RAID Controller Module Backup Battery Unit Removing the RAID Controller Module Backup Battery Unit Installing the RAID Controller Module Backup Battery Unit Power Supply/Cooling Fan Module Removing a Power Supply/Cooling Fan Module Installing a Power Supply/Cooling Fan Module Control Panel Removing the Control Panel Page Installing the Control Panel Backplane Removing the Backplane Page Page Installing the Backplane Management: Firmware Inventory Viewing the Firmware Inventory Page Management: System Interfaces Microsoft Services Virtual Disk Service Volume Shadow-Copy Service Page Troubleshooting: Your Storage Array Software Start-Up Routine Device Health Conditions Page Page Storage Array Support Data Automatically Collect the Support Bundle Data Collecting the Physical Disk Data Event Log Recovery Guru Storage Array Profile Page Viewing the Logical Associations Viewing the Physical Associations Finding Nodes Using Go To Recovering From an Unresponsive Storage Array Condition Page Page Locating a Physical Disk Locating an Expansion Enclosure Capturing the State Information SMrepassist Utility Unidentified Devices Recovering From an Unidentified Storage Array Page Page Starting or Restarting the Host Context Agent Software Page Troubleshooting: Your Array Safety FirstFor you and Your Array Troubleshooting Storage Array Startup Failure Troubleshooting Loss of Communication Troubleshooting External Connections Troubleshooting Power Supply/Cooling Fan Module Troubleshooting Array Cooling Problems Troubleshooting Expansion Enclosure Management Modules Troubleshooting RAID Controller Modules Page Troubleshooting Hard Drives Troubleshooting Array and Expansion Enclosure Connections Troubleshooting a Wet Storage Array Troubleshooting a Damaged Array Troubleshooting RAID Controller Modules Conditions Invalid Storage Array ECC Errors PCI Errors Critical Conditions Noncritical Conditions Page Getting Help Contacting Dell Page Index A B C D E F H I L M N O P R S T U V

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