Dell PowerVault MD3620i - Page 272

Dell PowerVault MD3620i

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272 Troubleshooting: Your Storage Array Software

book.book Page 272 Tuesday, September 27, 2011 3:13 PM

Table of Contents

Default Chapter3
- Table of Contents3
1 Introduction19
- About this Document19
- Inside the Box of the Dell Powervault Md3600I Series Storage Array19
- Other Information You May Need21
2 Planning: about Your Storage Array23
- Overview23
- Hardware Features24
  - Front-Panel Features and Indicators24
  - Back-Panel Features and Indicators27
- Hard-Drive Indicator Patterns28
- Power Supply and Cooling Fan Features29
- Power Indicator Codes and Features30
3 Planning: RAID Controller Modules31
- RAID Controller Modules31
- RAID Controller Module Connectors and Features32
- RAID Controller Module-Additional Features34
4 Planning: Md3600I Series Storage37
- Array Terms and Concepts37
- Disk Group Operations45
- RAID Background Operations Priority47
- Virtual Disk Migration and Disk Roaming48
- Advanced Features51
- Multi-Path Software54
  - Preferred and Alternate Controllers and Paths54
  - Virtual Disk Ownership55
- Load Balancing56
- Monitoring Md3600I Series System Performance57
5 Configuration: Overview61
- User Interface61
  - Enterprise Management Window62
  - Array Management Window63
6 Configuration: about Your Storage Array67
- Out-Of-Band and In-Band Management67
- Storage Arrays68
- Configuring Alert Notifications79
  - Configuring E-Mail Alerts79
  - Configuring SNMP Alerts82
- Battery Settings83
  - Setting the Storage Array RAID Controller Module Clocks84
7 Configuration: Using Iscsi87
- Changing the Iscsi Target Authentication87
- Entering Mutual Authentication Permissions88
- Creating CHAP Secrets88
- Changing the Iscsi Target Identification90
- Changing the Iscsi Target Discovery Settings90
- Configuring the Iscsi Host Ports91
- Advanced Iscsi Host Ports Settings93
- Viewing or Ending an Iscsi Session94
- Viewing Iscsi Statistics and Setting Baseline Statistics95
- Edit, Remove, or Rename Host Topology96
8 Configuration: Event Monitor97
- Enabling or Disabling the Event Monitor98
  - Windows98
  - Linux98
9 Configuration: about Your Host99
- Configuring Host Access99
- Using the Mappings Tab100
  - Defining a Host101
- Removing Host Access102
- Managing Host Groups103
- I/O Data Path Protection107
- Managing Host Port Identifiers108
10 Configuration: Disk Groups and Virtual Disks111
- Creating Disk Groups and Virtual Disks111
- Choosing an Appropriate Physical Disk Type121
- Physical Disk Security with Self Encrypting Disk121
- Configuring Hot Spare Physical Disks130
- Enclosure Loss Protection134
- Host-To-Virtual Disk Mapping135
- Restricted Mappings143
  - Changing the RAID Controller Module Ownership of a Virtual Disk or a Disk Group144
- Changing the RAID Level of a Disk Group146
11 Configuration: Premium Feature155
- Snapshot Virtual Disks155
12 Configuration: Premium Feature179
- Virtual Disk Copy179
  - Types of Virtual Disk Copies180
    - Offline Copy180
    - Online Copy181
  - Creating a Virtual Disk Copy for an MSCS Shared Disk182
- Virtual Disk Read/Write Permissions182
- Virtual Disk Copy Restrictions183
- Creating a Virtual Disk Copy184
- Preferred RAID Controller Module Ownership186
- Failed RAID Controller Module186
- Copy Manager186
- Copying the Virtual Disk186
- Storage Array Performance During Virtual Disk Copy188
- Setting Copy Priority188
- Stopping a Virtual Disk Copy189
- Recopying a Virtual Disk190
  - Preparing Host Servers to Recopy a Virtual Disk190
  - Re-Copying the Virtual Disk191
- Removing Copy Pairs192
13 Configuration: Premium Feature193
- High-Performance-Tier193
14 Configuration: Device Mapper195
- Multipath for Linux195
15 Management: Firmware Downloads207
- Downloading RAID Controller and NVSRAM Packages207
- Downloading both RAID Controller and NVSRAM Firmware208
- Downloading Only NVSRAM Firmware211
- Downloading Physical Disk Firmware213
- Downloading MD1200 Series Expansion Module EMM Firmware215
- Self-Monitoring Analysis and Reporting Technology (SMART)216
- Media Errors and Unreadable Sectors216
16 Management: Installing Array Components219
- Recommended Tools219
- Front Bezel (Optional)220
  - Removing the Front Bezel220
  - Installing the Front Bezel220
- Hard Drives221
- RAID Controller Module227
- RAID Controller Module Backup Battery Unit232
17 Management: Firmware Inventory243
- Viewing the Firmware Inventory243
18 Management: System Interfaces245
- Microsoft Services245
  - Virtual Disk Service245
  - Volume Shadow-Copy Service245
19 Troubleshooting: Your Storage247
- Array Software247
- Retrieving Trace Buffers252
- Collecting Physical Disk Data254
- Event Log255
- Recovery Guru256
- Storage Array Profile256
- Viewing the Logical Associations258
- Viewing the Physical Associations258
- Finding Nodes259
- Using Go to260
- Recovering from an Unresponsive Storage Array Condition261
- Locating a Physical Disk264
- Locating an Expansion Enclosure265
- Capturing the State Information266
- Smrepassist Utility267
- Unidentified Devices268
- Recovering from an Unidentified Storage Array268
- Starting or Restarting the Host Context Agent Software271
20 Troubleshooting: Your Array273
- Safety First-For You and Your Array273
- Troubleshooting Storage Array Startup Failure273
- Troubleshooting Loss of Communication273
- Troubleshooting External Connections273
- Troubleshooting Power Supply/Cooling Fan Module274
- Troubleshooting Array Cooling Problems275
- Troubleshooting Expansion Enclosure Management Modules275
- Troubleshooting RAID Controller Modules276
- Troubleshooting Hard Drives278
- Troubleshooting Array and Expansion Enclosure Connections279
- Troubleshooting a Wet Storage Array279
- Troubleshooting a Damaged Array280
- Troubleshooting RAID Controller Modules281
21 Getting Help283
- Contacting Dell283

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