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28
Planning: About Y
our Storage Array
Hard-Drive Indicator Patterns
Figure 2-5.
Hard Drive Indicators
1
hard-drive activity indicator (green)
2
hard-drive status indicator (green
and amber)
1
2
book
.boo
k Page
28 Saturday,
Sept
em
ber 24,
2011
9:0
6
AM
27
29
Table of Contents
Main Page
Default Chapter
3
Table of Contents
3
1 Introduction
19
About this Document
19
Inside the Box of the Dell Powervault Md3200I Series Storage Array
19
Md3200I Series Storage Array
20
Dell Powervault Modular Disk Storage Manager
20
Dell Powervault Modular Disk Configuration Utility
20
Other Information You May Need
20
2 Planning: about Your Storage Array
23
Overview
23
Hardware Features
24
Front-Panel Features and Indicators
24
Back Panel Features and Indicators
27
Hard-Drive Indicator Patterns
28
Power Supply and Cooling Fan Features
29
Power Indicator Codes and Features
30
3 Planning: RAID Controller Modules
31
RAID Controller Modules
31
RAID Controller Module Connectors and Features
32
RAID Controller Module-Additional Features
34
Battery Backup Unit
34
Storage Array Thermal Shutdown
34
System Password Reset
35
Cache Functions and Features
35
Cache Mirroring
35
Write-Back Cache
35
Write-Through Cache
36
4 Planning: Md3200I Series Storage
37
Array Terms and Concepts
37
Physical Disks, Virtual Disks, and Disk Groups
37
Physical Disks
37
Physical Disk States
38
Self-Monitoring Analysis and Reporting Technology
39
Virtual Disks and Disk Groups
39
Virtual Disk States
40
RAID Levels
40
RAID Level Usage
41
Segment Size
42
Virtual Disk Operations
43
Virtual Disk Initialization
43
Background Initialization
43
Foreground Initialization
43
Consistency Check
44
Media Verification
44
Cycle Time
44
Virtual Disk Operations Limit
45
Disk Group Operations
45
RAID Level Migration
45
Segment Size Migration
45
Virtual Disk Capacity Expansion
46
Disk Group Expansion
46
Disk Group Defragmentation
46
Disk Group Operations Limit
47
RAID Background Operations Priority
47
Virtual Disk Migration and Disk Roaming
48
Disk Migration
48
Disk Roaming
50
Advanced Features
50
Host Server-To-Virtual Disk Mapping
51
Host Types
51
Snapshot Virtual Disks
51
Snapshot Repository Virtual Disk
52
Virtual Disk Copy
53
Virtual Disk Recovery
54
Using Snapshot and Disk Copy Together
54
Multi-Path Software
54
Preferred and Alternate Controllers and Paths
55
Virtual Disk Ownership
55
Load Balancing
56
Monitoring Md3200I Series System Performance
57
5 Configuration: Overview
61
User Interface
61
Enterprise Management Window
62
Array Management Window
63
6 Configuration: about Your Storage Array
65
Out-Of-Band and In-Band Management
65
Storage Arrays
66
Adding Storage Arrays
66
Setting up Your Storage Array
68
Locating Storage Arrays
69
Naming or Renaming Storage Arrays
70
Setting a Password
71
Viewing Storage Array Connections
72
Adding/Editing a Comment to an Existing Storage Array
73
Removing Storage Arrays
73
Enabling Premium Features
74
Failover Alert Display
74
Changing the Cache Settings on the Storage Array
74
Changing Expansion Enclosure ID Numbers
75
Changing the Enclosure Order in the Physical Pane
75
Configuring Alert Notifications
76
Configuring E-Mail Alerts
76
Configuring E-Mail Alerts
77
To Ensure E-Mail Is Sent Successfully
78
Configuring SNMP Alerts
79
Battery Settings
80
Setting the Storage Array RAID Controller Module Clocks
81
7 Configuration: Using Iscsi
83
Changing the Iscsi Target Authentication
83
Entering Mutual Authentication Permissions
84
Creating CHAP Secrets
84
Initiator CHAP Secret
85
Target CHAP Secret
85
Valid Characters for CHAP Secrets
85
Changing the Iscsi Target Identification
86
Changing the Iscsi Target Discovery Settings
86
Configuring the Iscsi Host Ports
87
Advanced Iscsi Host Ports Settings
89
Viewing or Ending an Iscsi Session
90
Viewing Iscsi Statistics and Setting Baseline Statistics
91
Edit, Remove, or Rename Host Topology
92
8 Configuration: Event Monitor
93
Enabling or Disabling the Event Monitor
93
Windows
94
Linux
94
9 Configuration: about Your Host
95
Configuring Host Access
95
Using the Mappings Tab
96
Defining a Host
96
Click Next
97
Removing Host Access
98
Managing Host Groups
98
Creating a Host Group
98
Moving a Host to a Different Host Group
99
Removing a Host Group
100
Host Topology
100
Starting or Stopping the Host Context Agent
101
I/O Data Path Protection
102
Managing Host Port Identifiers
103
10 Configuration: Disk Groups and Virtual Disks
105
Creating Disk Groups and Virtual Disks
105
Creating Disk Groups
106
Locating a Disk Group
108
Creating Virtual Disks
108
Changing the Virtual Disk Modification Priority
110
Changing the Virtual Disk Cache Settings
111
Changing the Segment Size of a Virtual Disk
113
Changing the I/O Type
114
Choosing an Appropriate Physical Disk Type
115
Physical Disk Security with Self Encrypting Disk
115
Creating a Security Key
118
Changing a Security Key
119
Saving a Security Key
121
Validate Security Key
122
Unlocking Secure Physical Disks
122
Erasing Secure Physical Disks
122
Configuring Hot Spare Physical Disks
123
Hot Spares and Rebuild
125
Global Hot Spares
125
Hot Spare Operation
125
Hot Spare Drive Protection
126
Enclosure Loss Protection
126
Host-To-Virtual Disk Mapping
128
Creating Host-To-Virtual Disk Mappings
129
Modifying and Removing Host-To-Virtual Disk Mapping
130
Changing Controller Ownership of the Virtual Disk
131
Removing Host-To-Virtual Disk Mapping
132
Changing the RAID Controller Module Ownership of a Disk Group
132
Changing the RAID Level of a Disk Group
133
Removing a Host-To-Virtual Disk Mapping Using Linux DMMP
134
Restricted Mappings
136
Changing the RAID Controller Module Ownership of a Virtual Disk or a Disk Group
137
Changing the RAID Level of a Disk Group
139
Storage Partitioning
140
Disk Group and Virtual Disk Expansion
141
Disk Group Expansion
141
Virtual Disk Expansion
142
Using Free Capacity
142
Using Unconfigured Capacity
142
Disk Group Migration
143
Export Disk Group
143
Exporting a Disk Group
143
Import Disk Group
144
Importing a Disk Group
144
Storage Array Media Scan
145
Changing Media Scan Settings
146
Suspending the Media Scan
147
11 Configuration: Premium Feature-Snapshot Virtual Disks
149
Scheduling a Snapshot Virtual Disk
150
Common Reasons for Scheduling a Snapshot Virtual Disk
150
Guidelines for Creating Snapshot Schedules
151
Enabling and Disabling Snapshot Schedules
152
Creating a Snapshot Virtual Disk Using the Simple Path
152
About the Simple Path
153
Preparing Host Servers to Create the Snapshot Using the Simple Path
153
Creating a Snapshot Virtual Disk Using the Advanced Path
156
About the Advanced Path
156
Preparing Host Servers to Create the Snapshot Using the Advanced Path
157
Creating the Snapshot Using the Advanced Path
159
Specifying Snapshot Virtual Disk Names
161
Snapshot Repository Capacity
162
Disabling a Snapshot Virtual Disk
165
Preparing Host Servers to Re-Create a Snapshot Virtual Disk
166
Re-Creating Snapshot Virtual Disks
167
Snapshot Rollback
167
Rules and Guidelines for Performing a Snapshot Rollback
168
Protecting against a Failed Snapshot Rollback
169
Previous Versions of the MD Storage Manager
169
Starting a Snapshot Rollback
169
Resuming a Snapshot Rollback
170
Canceling a Snapshot Rollback
171
12 Configuration: Premium Feature-Virtual Disk Copy
173
Types of Virtual Disk Copies
174
Offline Copy
174
Online Copy
175
Creating a Virtual Disk Copy for an MSCS Shared Disk
176
Virtual Disk Read/Write Permissions
176
Virtual Disk Copy Restrictions
177
Creating a Virtual Disk Copy
178
Before You Begin
178
Virtual Disk Copy and Modification Operations
179
Create Copy Wizard
179
Failed Virtual Disk Copy
179
Preferred RAID Controller Module Ownership
180
Failed RAID Controller Module
180
Copy Manager
180
Copying the Virtual Disk
180
Storage Array Performance During Virtual Disk Copy
182
Setting Copy Priority
182
Stopping a Virtual Disk Copy
183
Recopying a Virtual Disk
183
Preparing Host Servers to Recopy a Virtual Disk
184
Re-Copying a Virtual Disk
185
Removing Copy Pairs
186
13 Configuration: Premium Feature
187
High-Performance-Tier
187
14 Configuration: Device Mapper
189
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
To Download Physical Disk Firmware
207
Downloading MD1200 Series Expansion Module EMM Firmware
208
Self-Monitoring Analysis and Reporting Technology (SMART)
210
Media Errors and Unreadable Sectors
210
16 Management: Installing Array
211
Components
211
Recommended Tools
211
Front Bezel (Optional)
212
Removing the Front Bezel
212
Installing the Front Bezel
212
Hard Drives
213
Removing a Hard-Drive Blank
213
Installing a Hard-Drive Blank
214
Removing a Hard Drive
214
Installing a Hard Drive
216
Removing a Hard Drive from a Hard-Drive Carrier
216
Installing a Hard Drive into a Hard-Drive Carrier
219
RAID Controller Module
219
Removing a RAID Controller Module Blank
219
Installing a RAID Controller Module Blank
220
Removing a RAID Controller Module
221
Installing a RAID Controller Module
222
Opening the RAID Controller Module
222
Closing the RAID Controller Module
223
RAID Controller Module Backup Battery Unit
224
Removing the RAID Controller Module Backup Battery Unit
224
Installing the RAID Controller Module Backup Battery Unit
225
Power Supply/Cooling Fan Module
225
Removing a Power Supply/Cooling Fan Module
225
Installing a Power Supply/Cooling Fan Module
228
Control Panel
229
Removing the Control Panel
229
Installing the Control Panel
230
Backplane
231
Removing the Backplane
231
Installing the Backplane
234
17 Management: Firmware Inventory
235
Viewing the Firmware Inventory
235
18 Management: System Interfaces
237
Microsoft Services
237
Virtual Disk Service
237
Volume Shadow-Copy Service
237
19 Troubleshooting: Your Storage
239
Array Software
239
Start-Up Routine
239
Device Health Conditions
239
Storage Array Support Data
242
Automatically Collect the Support Bundle Data
243
Collecting the Physical Disk Data
244
Event Log
244
Recovery Guru
245
Storage Array Profile
246
Viewing the Logical Associations
247
Viewing the Physical Associations
248
Finding Nodes
248
Using Go to
250
Recovering from an Unresponsive Storage Array Condition
251
Locating a Physical Disk
253
Locating an Expansion Enclosure
255
Capturing the State Information
256
Smrepassist Utility
257
Unidentified Devices
258
Recovering from an Unidentified Storage Array
258
Starting or Restarting the Host Context Agent Software
260
20 Troubleshooting: Your Array
263
Safety First-For You and Your Array
263
Troubleshooting Storage Array Startup Failure
263
Troubleshooting Loss of Communication
263
Troubleshooting External Connections
263
Troubleshooting Power Supply/Cooling Fan Module
264
Troubleshooting Array Cooling Problems
265
Troubleshooting Expansion Enclosure Management Modules
265
Troubleshooting RAID Controller Modules
267
Troubleshooting Hard Drives
268
Troubleshooting Array and Expansion Enclosure Connections
269
Troubleshooting a Wet Storage Array
269
Troubleshooting a Damaged Array
270
Troubleshooting RAID Controller Modules
271
Conditions
271
Invalid Storage Array
271
ECC Errors
271
PCI Errors
272
Critical Conditions
272
Noncritical Conditions
272
21 Getting Help
273
Contacting Dell
273
Index
275
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