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Continuous Access Journal Z
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HP Continuous Access Journal Z manual available for free PDF download: User Manual
HP Continuous Access Journal Z User Manual (193 pages)
StorageWorks P9000 Continuous Access Journal for Mainframe Systems
Brand:
HP
| Category:
Software
| Size: 2.69 MB
Table of Contents
Table of Contents
3
1 Continuous Access Journal Z Overview
8
Continuous Access Journal Z Software
8
How Continuous Access Journal Z Works
8
Hardware and Software Components
9
P9500 Storage Systems
10
Main and Remote Control Units
11
Pair Volumes
11
Journal Volumes
11
Journals
11
Data Path
12
Extended Consistency Groups
12
Remote Web Console
12
Business Continuity Manager
13
Overview of Copy Operations
13
Initial Copy Operation
13
Update Copy Operation
14
Read and Write I/O Operations During Remote Copy Operation
15
S-VOL Write Option
15
S-VOL Read Option
15
Difference Management
15
Pair Status
16
2 Requirements and Specifications
17
System Requirements
17
Business Continuity Manager Specifications
19
Command Device
21
3 Planning Volumes, Systems
22
Plan and Design Workflow
22
Assessing Business Requirements for Data Recovery
22
Determining Your RPO
23
Write-Workload
23
Measuring Write-Workload
23
Sizing Journal Volumes
24
Determine the Required Journal Volume Capacity
24
Calculating the Journal Size
25
Planning Journals
25
Data Transfer Speed Considerations
26
RAID Group Configuration
26
Fibre Channel Port Configuration
26
Planning Journal Volumes
26
Host I/O Time Stamp
27
Planning Pair Volumes
27
Data and Journal Volume Specifications
27
Duplicating Volsers
28
Maximum Number of Pairs Allowed
29
Calculating Maximum Number of Pairs
29
Priority Set for Initial Copy Operations and Scheduling Order
30
Disaster Recovery Considerations
31
Error Reporting Communications (ERC)
32
Sharing Volumes with Continuous Access Synchronous Z, Other Program Products
32
Planning for Continuous Access Journal Z with Multiple P9500 Systems
32
Establishing Connections between Multiple Secondary Systems
34
Planning Extended Consistency Groups (EXCTG)
34
Planning for Previous Models
35
Guidelines for Preparing Systems for Continuous Access Journal Z
36
System Option Modes
36
4 Planning the Data Path
39
Data Path Design Workflow
39
Sizing Bandwidth
39
Five Sizing Strategies
39
Calculating Bandwidth
40
Sizing Bandwidth for Peak Write-Workload
40
Sizing Bandwidth for Peak Rolling Average Write-Workload
41
Latency
42
Packet Loss
42
Planning Ports for Data Transfer
43
Determining Required Number of Ports
43
On Setting up Ports
44
Distances Supported for Fibre Channel Type, Number of Switches
44
Supported Data Path Configurations
45
5 Using Extended Consistency Groups
47
Overview
47
Register Journals in an EXCTG
49
Split, Restore, Release Pairs in an EXCTG
50
Pair-Split Operation
50
Operations for a Specific Journal
50
Remove Journals from an EXCTG
51
Forcibly Remove Journals
52
Using Exctgs with P9500
52
6 Configuration Operations
55
Configuration Workflow
55
Define Fibre Channel Port Attributes
55
Configure Storage Systems for Continuous Access Journal Z, Define Logical Paths
57
Configure Additional Logical Paths
59
Specify Number of Volumes for Initial Copy, Resync
60
Register Journal Volumes in a Journal
62
7 Pair Operations
66
Pair Operations Workflow
66
Check Pair Status
66
Create the Initial Copy
66
Split a Pair
70
Split a Mirror
72
Create a Point-In-Time Copy
72
Restore a Pair
73
Resynchronize a Mirror
75
Delete a Pair
76
Delete Pair Volumes from a Mirror
78
8 Monitoring the System
79
Monitor Pair Activity, Status
79
Pair Status Definitions
79
Suspend Types
82
Suspension Conditions from the Secondary System
83
Filtering Information in the List in the Pair Operation Window
84
Saving Pair Status Information into a Text File
85
Monitor Copy Operations Data, I/O
86
Select Data to be Graphed
87
Manipulate Graph, Save Data
89
Monitor Journal Status
89
Mirror Journal Status Definitions
89
Monitor Logical Path Status
90
History of Operations for Data Volume Pairs
91
9 Maintaining the System
92
Pair Maintenance-Change the Pair-Split Option
92
Journal and Mirror Maintenance
93
Change Continuous Access Journal Z Options Used by Journals
93
Change Continuous Access Journal Z Options Used by Mirrors
95
Delete Journal Volumes from a Journal
97
Delete a Journal
98
Logical Path Maintenance
98
Modify Data-Transfer Time Threshold
98
Delete Logical Paths
99
Delete the Continuous Access Journal Z Relationship
100
Manage Power-Off for Systems and Network Devices
100
When Power Stops Unexpectedly
100
When Power Is Removed from Primary or Secondary System
100
When Power Is Removed from Network Relay Devices
101
Power-Off Storage Systems Intentionally
101
Power-Off the Primary or Secondary System
101
Power-Off Primary and Secondary Systems at the same Time
101
Power-Off Network Relay Devices
102
10 Disaster Recovery Operations
103
Preparing for Disaster Recovery
103
File and Database Recovery Procedures
103
Switch Operations to the Secondary Site
103
Copy Data Back to the Primary Site
104
Resume Normal Operations at the Primary Site
104
Disaster Recovery for Multiple Primary and Secondary Storage Systems
105
Consistency of Data Update Sequence When a Disaster Occurs
105
Recovery Procedures with Shared Volumes
105
Recovery in a 3DC Cascade Configuration
106
Transferring Business Tasks Back to the Primary Site
106
Recovering from Primary Site Disaster in 3DC Multi Target Configuration
107
Recovering from Primary Site Failures (When Delta Resync Operation Is Performed)
109
Recovering from Failures in the Primary Site and the Continuous Access Synchronous Z Secondary Site
112
Recovery with Business Copy Z Configuration
113
1 Troubleshooting
114
General Troubleshooting
114
Troubleshooting Logical Paths
115
Troubleshooting Suspended Pairs
117
Troubleshooting Using Remote Web Console
118
Error Codes
119
Service Information Messages (Sims)
119
Enabling or Disabling SIM Reporting
121
Clearing Sims
122
12 Support and Other Resources
123
Contacting HP
123
Subscription Service
123
Documentation Feedback
123
Related Information
123
HP Websites
124
Conventions for Storage Capacity Values
124
Typographic Conventions
124
A Sharing Continuous Access Journal Z Volumes
126
Volume Types that Can be Shared with Continuous Access Journal Z
126
Virtual LVI
128
Cache Residency
128
Auto LUN
128
Performance Monitor
128
Data Retention
129
B Continuous Access Journal Z Configurations with Continuous Access Synchronous Z
130
Sharing Volumes with Continuous Access Synchronous Z
130
Data Center Cascade Configuration
130
Prerequisite Information for 3DC Cascade
131
Procedure for Setting up 3DC Cascade
132
Data Center Multitarget Configuration
132
Prerequisite Information for 3DC Multitarget
133
Procedure for Setting up 3DC Multitarget
133
Delta Resync Configuration
134
Prerequisite Information for Creating the Delta Resync Pair
135
Prerequisite Information for Performing Delta Resync Operation
135
Procedure for Creating a Delta Resync Pair
136
Configuring Delta Resync Operation Environment to Support Remote Command Devices
137
Establish Immediate Communications
137
Assign Mirrors to Remote Command Devices
138
Release Mirrors
139
Perform the Delta Resync Operation
140
C Continuous Access Journal Z Configurations with Business Copy Z
141
Overview
141
Configurations with Business Copy Z Primary Volumes
141
Configurations with Business Copy Z Secondary Volumes
143
Pair Status and Data Currency
143
Using At-Time Split Function When Combining Continuous Access Journal Z with Business Copy Z
144
D Continuous Access Journal Z GUI Reference
147
Journal Operation Window
147
Journal Detail Window
150
Change Journal Option Dialog Box
153
Change Mirror Option Dialog Box
154
Edit Journal Volumes Dialog Box
155
Pair Operation Window
156
Detailed Information Dialog Box
160
Add Pair Dialog Box
163
Suspend Pair Dialog Box
166
Resume Dialog Box
167
Delete Pair Dialog Box
168
Change Pair Option Dialog Box
169
Display Filter Dialog Box
169
DKC Operation Window
170
Remote Systems Information
172
Logical Path Information
173
Port Information for the Local System
173
DKC Status Dialog Box
174
Add DKC Dialog Box
176
DKC Option Dialog Box
177
Usage Monitor Window
178
History Window
178
Operations in History Window
180
History Window Notes
181
Export Operations History
182
Optional Operation Window
182
EXCTG Operation Window
183
View the EXCTG List
185
View Storage Systems in an EXCTG
186
View Journals in an EXCTG
186
Add Journal
187
Glossary
189
Index
191
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