Hp XP P9500 Storage Manuel d'utilisateur Page 17
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2 Requirements and specifications
This chapter provides system requirements for Continuous Access Journal.
System requirements
Continuous Access Journal operations are performed between the host(s) and the primary and
secondary storage systems containing the P-VOLs and S-VOLs, using the data path.
General requirements for the Continuous Access Journal components are listed below.
Table 1 General system requirements
RequirementItem
Two—one at the local site, one at the remote site. Also, any combination of the
following can be used with Continuous Access Journal:
Number of P9500 systems
• Four on primary side
• Four on secondary side
Continuous Access Journal
• Must be installed on primary and secondary P9500 storage systems.
• License keys required.
• On secondary systems, Continuous Access Journal can coexist with Continuous
Access Journal Z.
• When a virtual volume of Thin Provisioning (V-VOL) is used for a Continuous
Access Journal P-VOL or S-VOL, the capacity of the allocated pages for the
V-VOL is included in the licensed capacity of Continuous Access Journal. If the
actual licensed capacity exceeds the available licensed capacity, you may use
Continuous Access Journal for 30 days. After 30 days, Continuous Access
Journal pairs may only be split or released.
Other licenses required
• Continuous Access Synchronous is required, whether or not Continuous Access
Journal shares volumes with Continuous Access Synchronous).
• Continuous Access Journal 3DC & 4x4 Open MF in the following Continuous
Access Journal configurations:
- When running a 3DC system
- When performing Continuous Access Journal operations on multiple primary
and secondary storage systems
The following program products can be used:
• Remote Web Console
Administrator or Continuous Access Journal write access is required; otherwise
read access is provided with Remote Web Console.
• RAID Manager
Interfaces
UNIX based and PC-server platforms:Supported host platforms
• HP-UX 11.0 and 11i
• Oracle Solaris 9
• Windows 2000
• Windows 2003
• IBM AIX 5.1
Contact HP Technical Support for the latest information.
Fibre channel.Data path
System requirements 17
- Abstract 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
- Remote Web Console 12
- Data path 12
- Overview of copy operations 13
- Update copy operation 14
- S-VOL write option 15
- Difference management 15
- Pair status 15
- System requirements 17
- Plan and design workflow 20
- Write-workload 21
- Sizing journal volumes 22
- Calculating the journal size 23
- Planning journals 23
- Planning journal volumes 24
- Planning pair volumes 25
- 16,384Base(16KLDEV,SI/VM) 26
- Host failover software 28
- Planning for previous models 31
- System option modes 33
- DescriptionMode 34
- 4 Planning the data path 35
- Calculating bandwidth 36
- Sizing bandwidth 37 37
- Packet loss 38
- On setting up ports 40
- 42 Planning the data path 42
- 5 Configuration operations 43
- To define port attributes 44
- Prerequisite Information 45
- 46 Configuration operations 46
- Prerequisite information 47
- 48 Configuration operations 48
- To register journal volumes 50
- 52 Configuration operations 52
- 6 Pair operations 53
- 54 Pair operations 54
- Create the initial copy 55 55
- 56 Pair operations 56
- Split a pair 57
- To split one or more pairs 58
- Split a mirror 59
- Create a point-in-time copy 59
- Restore a pair 60
- To restore a pair 61
- Resynchronize a mirror 62
- Delete a pair 63
- To delete a pair or pairs 64
- To delete pairs from a mirror 65
- 66 Pair operations 66
- 7 Monitoring the system 67
- PSUS types and behaviors 71
- PSUE types and behaviors 72
- Select data to be graphed 76
- To view journal status 78
- Mirror status definitions 78
- Monitor logical path status 79
- 8 Maintaining the system 81
- To delete journal volumes 86
- Logical path maintenance 87
- Delete logical paths 88
- When power stops unexpectedly 89
- 90 Maintaining the system 90
- 10 Troubleshooting 103
- Troubleshooting logical paths 104
- Error codes 108
- Miscellaneous troubleshooting 121
- Contacting HP 122
- Related information 122
- Typographic conventions 123
- LUN Expansion 127
- Virtual LUN 127
- Cache Residency 127
- Auto LUN 127
- LUN Manager 128
- Thin Provisioning 128
- Data Retention 128
- Performance Monitor 129
- Access Synchronous 130
- 3DC cascade configuration 131
- 3DC multitarget configuration 132
- Delta resync configuration 134
- Creating a delta resync pair 137
- 2 data center configuration 140
- Procedure for 2DC setup 142
- Overview 143
- Pair status and data currency 145
- Storage Access Manager 147
- Journal Operation window 148
- Journal Detail window 151
- Pair Operation window 157
- Information in the VOL Column 160
- Paircreate dialog box 163
- Pairsplit-r dialog box 165
- Pairresync dialog box 166
- Pairsplit-S dialog box 167
- Change Pair Option dialog box 168
- Display Filter dialog box 169
- DKC Operation window 170
- Remote Systems Information 171
- Logical Path Information 172
- DKC Status dialog box 173
- Add DKC dialog box 175
- DKC Option dialog box 176
- Usage Monitor window 177
- History window 177
- Operations in History window 179
- History window notes 180
- Optional Operation window 181
- Glossary 183
- 184 Glossary 184
- 186 Index 186
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