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AMS 2500
Hitachi AMS 2500 Manuals
Manuals and User Guides for Hitachi AMS 2500. We have
3
Hitachi AMS 2500 manuals available for free PDF download: User Manual, Service Manual, Getting Started Manual
Hitachi AMS 2500 Service Manual (192 pages)
Brand:
Hitachi
| Category:
Storage
| Size: 7.35 MB
Table of Contents
Table of Contents
3
Preface
9
Changes in this Revision
10
Document Revision Level
10
Intended Audience
10
Mk-97Df8009En
10
Product Version
10
Release Notes and Readme
10
Document Conventions
11
Document Organization
11
Convention for Storage Capacity Values
12
Related Documents
13
Getting Help
18
Comments
18
Safety Guidelines
19
Personal Safety
20
Electrical Safety
22
Handling of Cables on the Floor
23
Handling of Under-Floor Cables
23
Equipment Safety
24
Safety and Warning Labels
25
Safety and Warning Labels - Base Unit
26
Safety and Warning Labels - Expansion Unit
27
Warning and Safety Labels - High-Density Expansion Unit
28
Safety and Warning Labels - Modular 2U SAS Expansion Unit
29
Warning and Safety Labels - Battery Expansion Unit
30
Disk Drives
31
Fan Unit
32
Power Supply
32
Control Unit
35
Cache Memory
36
Interface Board
36
Host Connector
38
Unit
38
Cable
39
Cable Holder
40
1 Introduction
41
Overview
42
User Maintenance Tasks
43
When a Failure Occurs
43
3 Replaceable Parts
44
System Overview
44
Base Unit
45
Expansion Unit
45
High-Density Expansion Units
45
Modular 2U SAS Expansion Unit
46
Battery Expansion Units
46
System Components
46
AMS 2100 Base Unit
47
AMS 2300 Base Unit
48
AMS 2100/2300 Base Unit Front Panel
49
AMS 2100/2300 Base Unit Rear Panel
50
AMS 2500 Base Unit
51
AMS 2500 Base Unit Front Panel
52
AMS 2500 Base Unit Rear Panel
53
Expansion Unit
54
Expansion Unit Front Panel
54
Expansion Unit Rear Panel
56
High-Density Expansion Unit
57
Modular 2U SAS Expansion Unit
58
System Controls
59
Switches
59
Base Unit Switches
59
Expansion Unit Switches
61
Battery Expansion Unit Switches
61
Connectors and Leds
61
Base Unit
61
AMS 2500 Iscsi Control Unit
67
Expansion Unit
72
High-Density Expansion Unit Status Leds
76
Disk Drive Status Leds
80
Battery Expansion Unit Leds and Controls
80
Modular 2U SAS Expansion Unit Connectors and Leds
82
Ordering Replacement Parts
91
Replaceable Parts
93
Overview
94
AMS 2100/2300 Base Unit Replaceable Parts - Rear
97
AMS 2500 Base Unit
99
AMS 2500 Base Unit Replaceable Parts - Rear
101
Expansion Unit Replaceable Parts - Rear
104
Modular 2U SAS Expansion Unit
105
Modular 2U SAS Expansion Unit Replaceable Parts - Front
105
Modular 2U SAS Expansion Unit Replaceable Parts - Rear
106
Other System Components
106
4 Replacing Parts
107
Before Starting Maintenance
108
Prerequisites
108
Unpacking, Removing, and Replacing Parts
110
Replacing a Front Bezel
111
Tool Needed
111
Before You Begin
111
Removing the Front Bezel
111
Removing the Front Bezel on the Modular 2U SAS Expansion Unit
112
Attaching a Front Bezel
113
Attaching a Front Bezel to the Modular 2U SAS Expansion Unit
113
Replacing a Disk Drive
114
Tools Needed
114
Before You Begin
114
Unpacking a Disk Drive
115
Verifying a Failed Disk Drive
115
Disk Drive Locations
115
Replacing a Disk Drive
117
Removing a Disk Drive
118
Installing a Disk Drive
119
Replacing a Power Supply
122
Tool Needed
122
Before You Begin
123
Unpacking a Power Supply
123
Verifying that the Power Supply Has Failed
123
Removing an AMS 2100/2300 Base Unit Power Supply
124
Removing an Expansion Unit or Modular 2U Expansion Unit Power Supply
127
Installing a Power Supply
128
Replacing a Backup Battery
129
Tools Needed
129
Before You Begin
129
Unpacking a New Backup Battery
129
Verifying that the Backup Battery Has Failed
129
Removing a Backup Battery
130
Installing a Cache Backup Battery
131
Replacing a Control Unit
133
Tool Needed
133
Before You Begin
133
Unpacking a Control Unit
133
Verifying a Control Unit Failure
133
Replacing a Control Unit
134
Removing a Control Unit
134
Installing a Control Unit
136
Replacing a Host Connector
137
Tool Needed
137
Before You Begin
137
Unpacking a Host Connector
137
Removing a Host Connector
138
Installing a Host Connector
139
Replacing an ENC Unit
140
Tools Needed
140
Before You Begin
140
Task List
141
Unpacking an ENC Unit
141
Removing an ENC Unit
142
Installing an ENC Unit
143
Replacing an ENC Cable
144
Tools Needed
144
Before You Begin
144
Task List
145
Unpacking an ENC Cable
145
Removing an ENC Cable
145
Installing an ENC Cable
148
Replacing Parts in a High-Density Expansion Unit
148
5 Maintenance
149
Before Starting General Maintenance
150
Periodic Maintenance Items
150
Inspecting and Cleaning the Array
151
Inspecting Fans
151
Cleaning the Array
151
Checking for Loose or Damaged Cables or Connectors
153
Moving an Array
153
Before Starting Relocation/Removal
153
Routing Cables
153
Handling Cables on the Floor
153
Handling Under-Floor Cables
154
Restarting an Array
154
Completing Maintenance Work
154
Relocating or Removing an Array
154
Disconnecting Power from the Rack
155
Disconnecting the Fibre Channel Interface Cable
156
Long Term Array Storage
157
6 Troubleshooting
159
Getting Help
160
Troubleshooting Tables
160
Troubleshooting Flowcharts
166
Navigator 2 Does Not Start
166
Navigator 2 Cannot Connect to an Array
167
Recovering from Failures
168
Troubleshooting Based on LED Indications
170
The Power LED Does Not Turn on
171
The Power LED Has Turned off
172
Ready LED Does Not Turn on
172
Alarm LED Has Turned on
173
Warning LED Has Turned on or Blinks
173
When an Unknown Failure Occurs in an Array
174
7 Errors
175
Error Recovery
176
Data Recovery When a Blocked Disk Is Detected
176
Data Recovery (Dynamic Sparing from Data Disk to Spare Disk)
177
Copy Back
178
Confirming Completion of Data Recovery or Copy Back
179
Glossary
183
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Hitachi AMS 2500 User Manual (210 pages)
AMS 2000 Family Copy-on-Write SnapShot
Brand:
Hitachi
| Category:
Network Storage Server
| Size: 2.28 MB
Table of Contents
Table of Contents
3
Preface
9
Intended Audience
10
Product Abbreviations
10
Product Version
10
Release Notes and Readme
10
Document Revision Level
11
Changes in this Revision
12
Document Organization
12
Document Conventions
13
Convention for Storage Capacity Values
14
Related Documentation
14
Getting Help
20
Comments
20
1 Snapshot Overview
21
Copy-On-Write Snapshot Software
22
Hardware and Software Configuration
22
How Snapshot Works
23
Volume Pairs - P-Vols and V-Vols
23
Data Pools
24
Consistency Group (CTG)
26
Differential Management Lus (DMLU)
26
LU Ownership of P-Vols and Data Pools
26
Interfaces for Performing Snapshot Operations
28
Cascade Connection of Snapshot with Simple DR
29
Cascade Connection of Snapshot with Simple DR P-VOL
30
Cascade Connection of Snapshot with Simple DR S-VOL
31
V-Vols Number of Snapshot
31
Cascade Connection of Snapshot with Truecopy
32
Cascade Restrictions with Snapshot P-VOL
32
LU Shared with P-VOL on Snapshot and P-VOL on Truecopy
33
One LU Used for P-VOL on Snapshot and S-VOL on Truecopy
33
Cascade Restrictions with Snapshot V-VOL
34
V-Vols Number of Snapshot
34
Cache Memory Reconfiguration Cautions
36
Cascade Restrictions with Snapshot Data Pool
36
Configuration Restrictions on the Cascade of Truecopy with Snapshot
36
Cascade Connection of Snapshot with Shadowimage
39
Cascade Connection with P-VOL of Shadowimage
42
Performance When Cascading the P-VOL of Snapshot and Shadowimage1-22
42
Restriction When Performing Restoration
42
Cascade Restrictions with S-VOL of Shadowimage
44
Pair Operation Restrictions When Cascading Snapshot with Shadowimage . 1-27
47
Simultaneous Cascading Restrictions with Shadowimage P-VOL and S-VOL
50
Cascade Restrictions of Truecopy with Shadowimage and Snapshot
51
2 Planning and Design
53
The Plan and Design Workflow
54
Assessing Business Needs
54
Copy Frequency
54
Selecting a Reasonable Time between Snapshots
55
Establishing How Long a Copy Is Held (Copy Lifespan)
55
Lifespan Based on Backup Requirements
55
Lifespan Based on Business Uses
56
Establishing the Number of V-Vols
56
Establishing Data Pool Size
57
Measuring Workload Data, Sizing the Data Pool
57
Rule-Of-Thumb Calculation
61
Requirements and Recommendations for Snapshot Logical Units
62
RAID Configuration for Lus Assigned to Snapshot
62
Operating System Considerations
65
Identifying P-VOL and V-VOL Lus on Windows
65
LU Mapping
66
Cluster and Path Switching Software
66
Microsoft Cluster Server (MSCS)
66
Aix
66
Veritas Volume Manager (VXVM)
66
Windows 2000
66
Windows Server and Snapshot Configuration
67
Linux and LVM Configuration
68
Tru64 UNIX and Snapshot Configuration
68
Concurrent Use of Cache Partition Manager
68
Vmware and Snapshot Configuration
68
Concurrent Use of Dynamic Provisioning
70
User Data Area of Cache Memory
73
Windows 2000/Windows Server and Dynamic Disk
79
Limitations of Dirty Data Flush Number
80
Formatting the DMLU in the Event of a Drive Failure
80
Cascading Snapshot with Truecopy
81
Cascading Snapshot with Truecopy Extended Distance
82
Maximum Supported Capacity
83
Snapshot and TCE Capacity
84
Maximum Supported Capacity of P-VOL and Data Pool2-34
86
No Snapshot-TCE Cascade Configuration
87
Snapshot-TCE Cascade Configuration
88
Snapshot, TCE, Shadowimage Concurrent Capacity
89
Cache Limitations on Data and Data Pool Volumes
91
3 System Requirements
93
System Requirements
94
Displaying the Hardware Revision Number
95
Supported Platforms
96
4 Installing and Enabling Snapshot
97
Important Prerequisite Information
98
Installing or Uninstalling Snapshot
98
Enabling or Disabling Snapshot
107
5 Configuring Snapshot
111
Configuration Workflow
112
Setting up the Data Pool
112
Setting up the Virtual Volume (V-VOL) (Manual Method)
114
Setting up the Differential Management LU (DMLU)
115
Setting up the Command Device
116
Setting the LU Ownership
117
Setting the System Tuning Parameter
118
Cascade Configuration of Snapshot and Shawdowimage
119
Pair Resynchronization and Releasing
120
6 Using Snapshot
121
Snapshot Replication Workflow
122
Back up Your Volume - Creating a Pair
122
Creating a Pair Using the Backup Wizard
122
Creating a Pair Using the Create Pair Procedure
123
Updating the V-VOL
126
Restoring the P-VOL from the V-VOL
127
Use the V-VOL for Tape Backup, Testing, Reports, Etc
128
Tape Backup Recommendations
129
Restoring Data from a Tape Backup
130
Editing a Pair, Data Pool
131
Deleting Pairs, V-Vols, Data Pools, DMLU
131
7 Monitoring and Maintenance
133
Monitoring Snapshot
134
Monitoring Pair Status
134
Monitoring Data Pool Usage
136
Expanding Data Pool Capacity
136
Other Methods for Lowering Data Pool Load
136
8 Troubleshooting
139
Pair Failure
140
Recovering from Pair Failure Due to POOL FULL
140
Recovering from Pair Failure Due to a Hardware Failure
141
Data Pool Capacity Exceeded
141
Specifications
145
Snapshot Specifications
146
Operations Using CLI
151
Installing and Uninstalling Snapshot
152
Important Prerequisite Information
152
Installing Snapshot
152
Uninstalling Snapshot
156
Enabling or Disabling Snapshot
157
Operations for Snapshot Configuration
160
Setting the DMLU
160
Setting the POOL
161
Setting the V-VOL
163
Setting the LU Ownership
163
Setting the System Tuning Parameter
164
Performing Snapshot Operations
165
Creating Snapshot Pairs Using CLI
165
Updating Snapshot Logical Unit Using CLI
166
Restoring V-VOL to P-VOL Using CLI
166
Releasing Snapshot Pairs Using CLI
167
Changing Pair Information Using CLI
167
Creating Multiple Snapshot Pairs that Belong to a Group Using CLI
168
Sample Back up Script for Windows
169
Operations Using CCI
171
Setting up CCI
172
Setting the Command Device
172
Setting LU Mapping Information
173
Defining the Configuration Definition File
174
Setting the Environment Variable
178
Performing Snapshot Operations
180
Confirming Pair Status
180
Paircreate Operation
181
Pair Creation Using a Consistency Group
182
Updating the V-VOL
182
Releasing Snapshot Pairs
183
Restoring a V-VOL to the P-VOL
183
Pair, Group Name Differences in CCI and Navigator 2
184
Using Snapshot with Cache Partition Manager
185
Snapshot with Cache Partition Manager
186
Glossary
189
Index
203
Hitachi AMS 2500 Getting Started Manual (36 pages)
Brand:
Hitachi
| Category:
Storage
| Size: 1.06 MB
Table of Contents
Table of Contents
4
Preparing for the Installation
5
Prepare the Site
5
Provide User-Supplied Items
7
Identify Your Configuration
9
Installing the Storage Units
9
Install the Base and Expansion Units
9
Install Drives
10
Attach Expansion Units (Optional)
11
Connect Cables to the Base Unit
13
Power-Up the Base Unit
14
Attach the Front Bezel
15
Configuring the Storage Units
16
Set Java Runtime Parameters if Necessary
16
Install and Log in to Navigator
17
Add Arrays
18
Perform the Initial Setup
19
Configure the Other Controller
29
Add the Newly Configured Array to Navigator
29
Completing Your Installation
30
Register Your Storage Unit
30
Download the Latest Firmware
30
Where to Go from here
31
Troubleshooting
34
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