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Contents 13
13 Configuration: Premium Feature
—Upgrading to
High-Performance-Tier . . . . . . . . . . . . . 187
14 Configuration: Device Mapper
Multipath for Linux . . . . . . . . . . . . . . . . 189
Overview . . . . . . . . . . . . . . . . . . . . . . . . . 189
Using DM Multipathing Devices
. . . . . . . . . . . . 190
Prerequisite Steps
. . . . . . . . . . . . . . . . . 190
Device Mapper Configuration Steps
. . . . . . . . 191
Linux Host Server Reboot Best Practices
. . . . . 195
Important Information About
Special Partitions . . . . . . . . . . . . . . . . . . 196
Limitations and Known Issues
. . . . . . . . . . . . . . 197
Troubleshooting . . . . . . . . . . . . . . . . . . . . . 198
15 Management: Firmware Downloads . . . 201
Downloading RAID Controller and
NVSRAM Packages
. . . . . . . . . . . . . . . . . . . 201
Downloading Both RAID Controller and
NVSRAM Firmware
. . . . . . . . . . . . . . . . . . . 202
Downloading Only NVSRAM Firmware . . . . . . . . . 204
Downloading Physical Disk Firmware
. . . . . . . . . 206
Downloading MD1200 Series Expansion
Module EMM Firmware
. . . . . . . . . . . . . . . . . 208
Self-Monitoring Analysis and Reporting
Technology (SMART)
. . . . . . . . . . . . . . . . . . 210
book.book Page 13 Saturday, September 24, 2011 9:06 AM
- Owner’s Manual 1
- Notes, Cautions, and Warnings 2
- Contents 3
- 4 Contents 4
- 6 Configuration: About Your 6
- 8 Contents 8
- 11 Configuration: Premium 10
- 12 Configuration: Premium 11
- Feature—Virtual Disk Copy 11
- 12 Contents 12
- 14 Contents 14
- 16 Contents 16
- 18 Contents 18
- Introduction 19
- Series Storage Array 20
- Introduction 21 21
- 22 Introduction 22
- Overview 23
- Hardware Features 24
- Hard-Drive Indicator Patterns 28
- RAID Controller Modules 31
- Battery Backup Unit 34
- Cache Functions and Features 35
- Write-Through Cache 36
- Array Terms and Concepts 37
- Physical Disk States 38
- Virtual Disks and Disk Groups 39
- RAID Levels 40
- RAID Level Usage 41
- Segment Size 42
- Virtual Disk Operations 43
- Consistency Check 44
- Media Verification 44
- Cycle Time 44
- Disk Group Operations 45
- Disk Group Defragmentation 46
- Disk Group Operations Limit 47
- Disk Migration 48
- Advanced Features 50
- Host Types 51
- Multi-Path Software 54
- Virtual Disk Ownership 55
- Load Balancing 56
- Configuration: Overview 61
- Enterprise Management Window 62
- Array Management Window 63
- Out-of-Band Management 65
- Storage Arrays 66
- Setting Up Your Storage Array 68
- Locating Storage Arrays 69
- Setting a Password 71
- Password Guidelines 72
- Removing Storage Arrays 73
- Enabling Premium Features 74
- Failover Alert Display 74
- Configuring E-mail Alerts 76
- Configuring SNMP Alerts 79
- Battery Settings 80
- Configuration: Using iSCSI 83
- Creating CHAP Secrets 84
- Initiator CHAP Secret 85
- Target CHAP Secret 85
- Statistics 91
- 92 Configuration: Using iSCSI 92
- Configuration: Event Monitor 93
- Configuring Host Access 95
- Using the Mappings Tab 96
- Removing Host Access 98
- Managing Host Groups 98
- Adding a Host to a Host Group 99
- Removing a Host Group 100
- Host Topology 100
- I/O Data Path Protection 102
- Virtual Disks 105
- Creating Disk Groups 106
- Locating a Disk Group 108
- Creating Virtual Disks 108
- Changing the I/O Type 114
- Creating a Security Key 118
- Changing a Security Key 119
- Saving a Security Key 121
- Validate Security Key 122
- Erasing Secure Physical Disks 122
- Hot Spares and Rebuild 125
- Global Hot Spares 125
- Hot Spare Operation 125
- Enclosure Loss Protection 126
- Host-to-Virtual Disk Mapping 128
- Restricted Mappings 136
- Disk Group 137
- Storage Partitioning 140
- Disk Group Expansion 141
- Virtual Disk Expansion 142
- Using Free Capacity 142
- Using Unconfigured Capacity 142
- Disk Group Migration 143
- Import Disk Group 144
- Storage Array Media Scan 145
- Changing Media Scan Settings 146
- Suspending the Media Scan 147
- Snapshot Virtual Disks 149
- Simple Path 152
- About the Simple Path 153
- Advanced Path 156
- Snapshot Repository Capacity 162
- Capacity option is disabled 163
- Snapshot Rollback 167
- Starting a Snapshot Rollback 169
- Resuming a Snapshot Rollback 170
- Canceling a Snapshot Rollback 171
- Virtual Disk Copy 173
- Types of Virtual Disk Copies 174
- Online Copy 175
- Creating a Virtual Disk Copy 178
- Create Copy Wizard 179
- Failed Virtual Disk Copy 179
- Failed RAID Controller Module 180
- Copy Manager 180
- Copying the Virtual Disk 180
- Setting Copy Priority 182
- Stopping a Virtual Disk Copy 183
- Recopying a Virtual Disk 183
- Re-Copying a Virtual Disk 185
- Removing Copy Pairs 186
- Configuration: Device Mapper 189
- Multipath for Linux 189
- Using DM Multipathing Devices 190
- Ready For Use 194
- Limitations and Known Issues 197
- Troubleshooting 198
- Packages 201
- Firmware 202
- EMM Firmware 208
- Technology (SMART) 210
- Management: Installing Array 211
- Components 211
- Front Bezel (Optional) 212
- Hard Drives 213
- Installing a Hard-Drive Blank 214
- Removing a Hard Drive 214
- Installing a Hard Drive 216
- RAID Controller Module 219
- Control Panel 229
- Installing the Control Panel 230
- Backplane 231
- Installing the Backplane 234
- Management: System Interfaces 237
- Array Software 239
- Storage Array Support Data 242
- Event Log 244
- Recovery Guru 245
- Storage Array Profile 246
- Finding Nodes 248
- Using Go To 250
- Condition 251
- Locating a Physical Disk 253
- SMrepassist Utility 257
- Unidentified Devices 258
- Software 260
- Troubleshooting: Your Array 263
- Management Modules 265
- Troubleshooting Hard Drives 268
- Connections 269
- Conditions 271
- Invalid Storage Array 271
- ECC Errors 271
- PCI Errors 272
- Critical Conditions 272
- Noncritical Conditions 272
- Getting Help 273
- 274 Getting Help 274
- Index 275 275
- Index 276 276
- Index 277 277
- Index 278 278
- Index 279 279
- Index 280 280
- Index 281 281
- 282 Index 282
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