Dell EMC PowerVault MD Series Manuals

Dell EMC PowerVault MD Series Manuals

Manuals and User Guides for Dell EMC PowerVault MD Series. We have 1 Dell EMC PowerVault MD Series manual available for free PDF download: Administrator's Manual

Dell EMC PowerVault MD Series Administrator's Manual

Dell EMC PowerVault MD Series Administrator's Manual (185 pages)

Storage Arrays

Brand: Dell EMC | Category: Speaker System | Size: 1 MB

Table of Contents

Table of Contents
3
1 Introduction

12
2 About Your MD Series Storage Array

16
- Physical Disks, Virtual Disks, and Disk Groups
  16
  - Physical Disks
    16
  - Physical Disk States
    16
  - Virtual Disks and Disk Groups
    17
  - Virtual Disk States
    17
- Disk Pools
  18
- Thin Virtual Disks
  18
- RAID Levels
  18
  - Maximum Physical Disk Support Limitations
    18
  - RAID Level Usage
    18
  - Raid 0
    19
  - Raid 1
    19
  - Raid 5
    19
  - Raid 6
    19
  - Raid 10
    19
- Segment Size
  19
- Virtual Disk Operations
  20
  - Virtual Disk Initialization
    20
  - Consistency Check
    20
  - Media Verification
    20
  - Cycle Time
    20
  - Virtual Disk Operations Limit
    21
- Disk Group Operations
  21
  - RAID Level Migration
    21
  - Segment Size Migration
    21
  - Virtual Disk Capacity Expansion
    21
  - Disk Group Expansion
    22
  - Disk Group Defragmentation
    22
  - Disk Group Operations Limit
    22
- RAID Background Operations Priority
  22
- Virtual Disk Migration and Disk Roaming
  23
  - Disk Migration
    23
  - Disk Roaming
    24
  - Host Server-To-Virtual Disk Mapping
    24
  - Host Types
    24
- Advanced Features
  24
- Multi-Path Software
  26
  - Preferred and Alternate Controllers and Paths
    26
  - Virtual Disk Ownership
    26
- Load Balancing
  27
- Monitoring System Performance
  27
3 Discovering and Managing Your Storage Array

37
4 Using Iscsi

49
5 Event Monitor

55
- Enabling or Disabling Event Monitor
  55
  - Windows
    55
  - Linux
    56
6 About Your Host

57
- Configuring Host Access
  57
- Using the Host Mappings Tab
  57
  - Defining a Host
    58
- Removing Host Access
  59
- Managing Host Groups
  59
- Creating a Host Group
  59
- I/O Data Path Protection
  61
- Managing Host Port Identifiers
  62
7 Disk Groups, Standard Virtual Disks, and Thin Virtual Disks

63
8 Disk Pools and Disk Pool Virtual Disks

94
9 Using SSD Cache

104
- How SSD Cache Works
  104
- Benefits of SSD Cache
  104
- Choosing SSD Cache Parameters
  105
- SSD Cache Restrictions
  105
- Creating an SSD Cache
  105
- Viewing Physical Components Associated with an SSD Cache
  106
- Locating Physical Disks in an SSD Cache
  106
- Adding Physical Disks to an SSD Cache
  106
- Removing Physical Disks from an SSD Cache
  107
- Suspending or Resuming SSD Caching
  107
- Changing I/O Type in an SSD Cache
  107
- Renaming an SSD Cache
  107
- Deleting SSD Cache
  108
- Using the Performance Modeling Tool
  108
10 Premium Feature-Snapshot Virtual Disk

109
11 Premium Feature-Virtual Disk Copy

140
- Types of Virtual Disk Copies
  141
  - Offline Copy
    141
  - Online Copy
    141
- Creating a Virtual Disk Copy for an MSCS Shared Disk
  141
- Virtual Disk Read/Write Permissions
  142
- Virtual Disk Copy Restrictions
  142
- Creating a Virtual Disk Copy
  142
  - Setting Read/Write Permissions on Target Virtual Disk
    143
  - Before You Begin
    143
  - Virtual Disk Copy and Modification Operations
    143
  - Create Copy Wizard
    143
  - Failed Virtual Disk Copy
    144
- Preferred RAID Controller Module Ownership
  144
- Failed RAID Controller Module
  144
- Copy Manager
  144
- Copying the Virtual Disk
  144
- Storage Array Performance During Virtual Disk Copy
  145
- Setting Copy Priority
  145
- Stopping a Virtual Disk Copy
  146
- Recopying a Virtual Disk
  146
  - Preparing Host Servers to Recopy Virtual Disk
    146
  - Recopying the Virtual Disk
    147
- Removing Copy Pairs
  147
12 Device Mapper Multipath for Linux

148
- Overview
  148
- Using Device Mapper Multipathing Devices (DMMP)
  148
  - Prerequisites
    148
- Device Mapper Configuration Steps
  149
- Linux Host Server Reboot Best Practices
  151
- Important Information about Special Partitions
  152
- Limitations and Known Issues
  152
- Troubleshooting
  153
13 Configuring Asymmetric Logical Unit Access

154
14 Premium Feature-Remote Replication

157
15 Management Firmware Downloads

164
16 Firmware Inventory

170
- Viewing the Firmware Inventory
  170
17 System Interfaces

171
- Virtual Disk Service
  171
- Volume Shadow-Copy Service
  171
18 Storage Array Software

173
- Start-Up Routine
  173
- Device Health Conditions
  173
- Trace Buffers
  175
  - Retrieving Trace Buffers
    176
- Collecting Physical Disk Data
  176
- Event Log
  177
  - Viewing the Event Log
    178
- Recovery Guru
  178
- Storage Array Profile
  178
- Viewing the Physical Associations
  179
- Recovering from Unresponsive Storage Array Condition
  179
- Locating a Physical Disk
  181
- Locating an Expansion Enclosure
  181
- Capturing State Information
  182
- Smrepassist Utility
  182
- Unidentified Devices
  182
- Recovering from Unidentified Storage Array
  183
- Starting or Restarting the Host Context Agent Software
  184
  - Starting the Smagent Software in Windows
    184
  - Starting Smagent Software in Linux
    184
19 Getting Help

185
- Contacting Dell EMC
  185

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