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Hp XP P9500 Storage User Manual Page 90
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5
.
Conf
irm that pair statu
s is COP
Y or P
AIR.
90
Maintaining the s
ystem
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User Guide
1
Contents
3
4 Contents
4
Contents 5
5
6 Contents
6
Contents 7
7
P9500 storage systems
10
Pair volumes
11
Journal volumes
11
Journals
11
Reference Information
12
Differential data management
13
S-VOL write option
14
Pair status
14
System requirements
15
Plan and design workflow
18
Write-workload
19
Sizing journal volumes
20
Planning journals
20
RAID group configuration
21
Planning journal volumes
22
Planning pair volumes
22
Planning pair volumes 23
23
Host failover software
25
Planning for previous models
29
System option modes
31
4 Planning the data path
34
Calculating bandwidth
35
36 Planning the data path
36
Sizing bandwidth 37
37
38 Planning the data path
38
Packet loss
39
Example configuration
40
Port types
40
Additional switches
41
42 Planning the data path
42
5 Configuration operations
44
46 Configuration operations
46
48 Configuration operations
48
50 Configuration operations
50
52 Configuration operations
52
6 Pair operations
54
Creating the initial copy 55
55
56 Pair operations
56
Creating the initial copy 57
57
Splitting pairs
58
Splitting mirrors
59
Creating point-in-time copies
60
Resynchronizing pairs
60
Resynchronizing pairs 61
61
Resynchronizing mirrors
62
Deleting pairs
62
Deleting pairs 63
63
Deleting pairs in a mirror
64
Deleting pairs in a mirror 65
65
7 Monitoring the system
66
PSUS types and behaviors
69
PSUE types and behaviors
71
Selecting data to be graphed
74
Manipulating graph, save data
76
History of pair operations
79
8 Maintaining the system
80
◦ Initial
81
◦ Stopped
81
◦ Hold(Failure)
81
82 Maintaining the system
82
84 Maintaining the system
84
Logical path maintenance
86
Deleting logical paths
87
When power stops unexpectedly
88
90 Maintaining the system
90
General recovery procedures
91
Cnt Ac-J secondary site: HOLD
100
10 Troubleshooting
103
Troubleshooting logical paths
105
B9E2, B9E4, D004
109
B9E4, D004
112
Miscellaneous troubleshooting
121
122 Troubleshooting
122
Contacting HP
123
Related information
123
Typographic conventions
124
Overview
126
Failure recovery
127
B Sharing volumes
133
Cache Residency
135
Data Retention
135
Thin Provisioning
136
LUN Expansion
137
LUN Manager
137
Fast Snap and Snapshot
137
138 Sharing volumes
138
Virtual LUN
139
Auto LUN
140
3DC cascade configuration
141
Delta resync configuration
144
◦ Use the same mirror ID
146
Problems that can occur
148
◦ Assign it to other mirrors
149
◦ Use it with RAID Manager
149
2 Data center configuration
151
Pair status and data currency
156
E GUI reference
157
Journal Detail window
159
Pair Operation window
165
Paircreate dialog box
169
Pairsplit-r dialog box
171
Pairresync dialog box
172
Pairsplit-S dialog box
173
Change Pair Option dialog box
174
Display Filter dialog box
174
DKC Operation window
175
Remote systems information
176
Logical Path Information
177
DKC Status dialog box
179
Add DKC dialog box
180
DKC Option dialog box
181
Usage Monitor window
182
History window
183
Operations in History window
184
History window notes
185
Optional Operation window
186
Glossary
188
190 Index
190
192 Index
192
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