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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 Tu
es
day, Septem
ber
27, 20
11 3
:
25
PM
27
29
Table of Contents
Main Page
Default Chapter
3
Table of Contents
3
Contents
17
1 Introduction
19
About this Document
19
Inside the Box of the Dell Powervault MD3200 Series Storage Array
20
MD3200 Series Storage Array
20
Dell Powervault Modular Disk Storage Manager
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
35
System Password Reset
35
Cache Functions and Features
36
Cache Mirroring
36
Write-Back Cache
36
Write-Through Cache
36
4 Planning: MD3200 Series Storage
37
Array Terms and Concepts
37
Physical Disks, Virtual Disks, and Disk Groups
37
Physical Disk States
38
Physical Disks
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
43
Virtual Disk Operations
43
Background Initialization
43
Foreground Initialization
43
Virtual Disk 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
47
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 MD3200 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
75
Changing Expansion Enclosure ID Number
75
Changing the Enclosure Order in the Physical Pane
75
Configuring Alert Notifications
76
Configuring E-Mail Alerts
77
Configuring SNMP Alerts
79
Battery Settings
81
Setting the Storage Array RAID Controller Module Clocks
82
7 Configuration: Event Monitor
83
Enabling or Disabling the Event Monitor
84
Windows
84
Linux
84
8 Configuration: about Your Host
85
Configuring Host Access
85
Using the Mappings Tab
86
Defining a Host
86
Click Next
87
Removing Host Access
88
Managing Host Groups
88
Creating a Host Group
88
Moving a Host to a Different Host Group
89
Removing a Host Group
90
Host Topology
90
Starting or Stopping the Host Context Agent
91
I/O Data Path Protection
92
Managing Host Port Identifiers
93
9 Configuration: Disk Groups and Virtual Disks
95
Creating Disk Groups and Virtual Disks
95
Creating Disk Groups
96
Locating a Disk Group
98
Creating Virtual Disks
98
Changing the Virtual Disk Modification Priority
100
Changing the Virtual Disk Cache Settings
101
Changing the Segment Size of a Virtual Disk
103
Changing the I/O Type
104
Choosing an Appropriate Physical Disk Type
105
Physical Disk Security with Self Encrypting Disk
106
Creating a Security Key
108
Changing a Security Key
110
Saving a Security Key
111
Validate Security Key
112
Unlocking Secure Physical Disks
113
Erasing Secure Physical Disks
113
Configuring Hot Spare Physical Disks
114
Hot Spares and Rebuild
115
Global Hot Spares
116
Hot Spare Operation
116
Hot Spare Drive Protection
116
Enclosure Loss Protection
117
Host-To-Virtual Disk Mapping
119
Creating Host-To-Virtual Disk Mappings
119
Modifying and Removing Host-To-Virtual Disk Mapping
121
Changing Controller Ownership of the Virtual Disk
122
Removing Host-To-Virtual Disk Mapping
122
Changing the RAID Controller Module Ownership of a Disk Group
123
Changing the RAID Level of a Disk Group
124
Removing a Host-To-Virtual Disk Mapping Using Linux DMMP
124
Restricted Mappings
126
Changing the RAID Controller Module Ownership of a Virtual Disk or a Disk Group
127
Changing the RAID Level of a Disk Group
129
Storage Partitioning
130
Disk Group and Virtual Disk Expansion
131
Disk Group Expansion
131
Using Free Capacity
132
Virtual Disk Expansion
132
Disk Group Migration
133
Export Disk Group
133
Using Unconfigured Capacity
133
Exporting a Disk Group
134
Import Disk Group
134
Importing a Disk Group
134
Changing Media Scan Settings
136
Storage Array Media Scan
136
Suspending the Media Scan
137
10 Configuration: Premium Feature
139
Snapshot Virtual Disks
139
Scheduling a Snapshot Virtual Disk
140
Common Reasons for Scheduling a Snapshot Virtual Disk
140
Guidelines for Creating Snapshot Schedules
141
Enabling and Disabling Snapshot Schedules
142
Creating a Snapshot Virtual Disk Using the Simple Path
142
About the Simple Path
143
Preparing Host Servers to Create the Snapshot Using the Simple Path
143
Creating a Snapshot Virtual Disk Using the Advanced Path
146
About the Advanced Path
146
Preparing Host Servers to Create the Snapshot Using the Advanced Path
147
Creating the Snapshot Using the Advanced Path
149
Specifying Snapshot Virtual Disk Names
151
Snapshot Repository Capacity
152
Disabling a Snapshot Virtual Disk
155
Preparing Host Servers to Re-Create a Snapshot Virtual Disk
156
Re-Creating Snapshot Virtual Disks
157
Snapshot Rollback
157
Rules and Guidelines for Performing a Snapshot Rollback
158
Protecting against a Failed Snapshot Rollback
159
Previous Versions of the MD Storage Manager
159
Starting a Snapshot Rollback
159
Resuming a Snapshot Rollback
160
Canceling a Snapshot Rollback
161
11 Configuration: Premium Feature
163
Virtual Disk Copy
163
Types of Virtual Disk Copies
164
Offline Copy
164
Online Copy
165
Creating a Virtual Disk Copy for an MSCS Shared Disk
166
Virtual Disk Read/Write Permissions
166
Virtual Disk Copy Restrictions
167
Creating a Virtual Disk Copy
168
Before You Begin
168
Create Copy Wizard
169
Failed Virtual Disk Copy
169
Virtual Disk Copy and Modification Operations
169
Preferred RAID Controller Module Ownership
170
Failed RAID Controller Module
170
Copy Manager
170
Copying the Virtual Disk
171
Storage Array Performance During Virtual Disk Copy
172
Setting Copy Priority
173
Stopping a Virtual Disk Copy
173
Recopying a Virtual Disk
174
Preparing Host Servers to Recopy a Virtual Disk
174
Re-Copying a Virtual Disk
175
Removing Copy Pairs
176
12 Configuration: Premium Feature
177
Upgrading to High
177
Performance-Tier
177
13 Configuration: Device Mapper
179
Multipath for Linux
179
Overview
179
Using DM Multipathing Devices
180
Prerequisite Steps
180
Device Mapper Configuration Steps
181
Limitations and Known Issues
187
Troubleshooting
188
14 Management: Firmware Downloads
189
Downloading RAID Controller and NVSRAM Packages
189
Downloading both RAID Controller and NVSRAM Firmware
190
Downloading Only NVSRAM Firmware
192
Downloading Physical Disk Firmware
195
Downloading MD1200 Series Expansion Module EMM Firmware
197
Self-Monitoring Analysis and Reporting Technology (SMART)
198
Media Errors and Unreadable Sectors
198
15 Management: Installing Array
201
Components
201
Recommended Tools
201
Front Bezel (Optional)
202
Installing the Front Bezel
202
Removing the Front Bezel
202
Hard Drives
203
Removing a Hard-Drive Blank
203
Installing a Hard-Drive Blank
204
Removing a Hard Drive
204
Installing a Hard Drive
206
Removing a Hard Drive from a Hard-Drive Carrier
207
Installing a Hard Drive into a Hard-Drive Carrier
209
RAID Controller Module
209
Removing a RAID Controller Module Blank
209
Installing a RAID Controller Module Blank
210
Removing a RAID Controller Module
211
Installing a RAID Controller Module
212
Opening the RAID Controller Module
212
Closing the RAID Controller Module
213
RAID Controller Module Backup Battery Unit
214
Removing the RAID Controller Module Backup Battery Unit
214
Installing the RAID Controller Module Backup Battery Unit
215
Power Supply/Cooling Fan Module
216
Removing a Power Supply/Cooling Fan Module
216
Installing a Power Supply/Cooling Fan Module
217
Control Panel
218
Removing the Control Panel
218
Installing the Control Panel
220
Backplane
221
Removing the Backplane
221
Installing the Backplane
224
16 Management: Firmware Inventory
225
Viewing the Firmware Inventory
225
17 Management: System Interfaces
227
Microsoft Services
227
Virtual Disk Service
227
Volume Shadow-Copy Service
227
18 Troubleshooting: Your Storage
229
Array Software
229
Start-Up Routine
229
Device Health Conditions
229
Storage Array Support Data
232
Automatically Collect the Support Bundle Data
233
Collecting the Physical Disk Data
234
Event Log
234
Recovery Guru
235
Storage Array Profile
236
Viewing the Logical Associations
238
Viewing the Physical Associations
238
Finding Nodes
239
Using Go to
240
Recovering from an Unresponsive Storage Array Condition
241
Locating a Physical Disk
244
Locating an Expansion Enclosure
245
Capturing the State Information
246
Smrepassist Utility
247
Unidentified Devices
248
Recovering from an Unidentified Storage Array
248
Starting or Restarting the Host Context Agent Software
251
19 Troubleshooting: Your Array
253
Safety First-For You and Your Array
253
Troubleshooting Storage Array Startup Failure
253
Troubleshooting Loss of Communication
253
Troubleshooting External Connections
253
Troubleshooting Power Supply/Cooling Fan Module
254
Troubleshooting Array Cooling Problems
255
Troubleshooting Expansion Enclosure Management Modules
255
Troubleshooting RAID Controller Modules
256
Troubleshooting Hard Drives
258
Troubleshooting Array and Expansion Enclosure Connections
259
Troubleshooting a Wet Storage Array
260
Troubleshooting a Damaged Array
261
Troubleshooting RAID Controller Modules
261
Conditions
261
Invalid Storage Array
262
ECC Errors
262
PCI Errors
262
Critical Conditions
262
Noncritical Conditions
263
Contacting Dell
265
Getting Help
265
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