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2 Requirements and planning
This topic describes requirements and planning.
Planning workflow
Before mapping an external volume to HP P9500, review the information in this chapter to make
sure that you understand the External Storage requirements and implementation procedures.
Use the general order in the following to prepare for External Storage:
• Review System requirements (page 11).
• Ensure that the external system whose volumes you want to map is supported by External
Storage. See “Supported external storage systems” (page 62).
• Ensure the functionality you want is supported for mapped external volumes. See “HP P9500
software supported for external volumes” (page 25).
• In the external system, select a port and set any necessary parameters. See Setting up ports
on the external system (page 30).
• In the local system, identify the port that will connect to the external system and make sure it
is specified as an “external port”. See “Setting up ports on the local system” (page 29).
• Plan data paths from the local to the external system. See “Planning external paths and path
groups ” (page 20).
• In the external system, prepare volumes for use in the local system. For example, if you plan
to use an external volume for replication, make sure it matches the HP replication software’s
requirements.
See the following for this and other considerations.
◦ “Planning external volumes ” (page 13)
◦ “Mainframe volumes” (page 15)
◦ “Open systems volumes” (page 16)
◦ Capacity requirements for volumes (page 16)
• In the local storage system, configure external volume groups to which you will assign the
external volume during the mapping operation. See External volume groups (ExGs) (page 16).
• You can change the defaults for some mapping settings before performing the operation. See
Editing external volume policies (settings) (page 36).
System requirements
External Storage (Ext Stor) operations are performed between the local storage system—HP
P9500—and volumes in an external storage system. General requirements for these and all Ext
Stor components are described below.
DescriptionItem
HP P9500 (HP P9500)
• Required for the Ext Stor local storage system.
• All hardware and microcode levels must be installed.
One is required, multiple external systems are supported per HP P9500. See
Supported external storage systems (page 62) for related details about each
supported external storage system.
External storage systems
Planning workflow 11
- Abstract 1
- Contents 3
- 4 Contents 4
- Contents 5 5
- 6 Contents 6
- 1 Overview 7
- Typical components 8
- External storage system 9
- External volume 9
- Internal volume 9
- Interfaces 9
- Spreadsheets 10
- 2 Requirements and planning 11
- Planning external volumes 13
- 14 Requirements and planning 14
- Mainframe volumes 15
- Open systems volumes 16
- External volume groups (ExGs) 16
- Planning external volumes 19 19
- External paths 20
- Multi path mode 21
- 22 Requirements and planning 22
- Direct connection 23
- Switch connection 23
- Default mapping settings 24
- Cache Residency 25
- Snapshot 25
- Smart Tiers Z, and Fast Snap 26
- Local replication software 26
- LUN Expansion 27
- Remote replication software 28
- 4 Setting up external volumes 29
- Mapping an external volume 30
- Mapping an external volume 31 31
- Mapping an external volume 33 33
- Using mapped volumes 35
- 5 Monitoring and maintenance 36
- 38 Monitoring and maintenance 38
- Editing external WWN settings 39
- Path maintenance 40
- Path maintenance 41 41
- Reconnecting an external path 42
- Path maintenance 43 43
- Replacing all external paths 44
- Prerequisite requirements 45
- 46 Monitoring and maintenance 46
- ◦ A pool-VOL 48
- 50 Monitoring and maintenance 50
- 6 Support and other resources 52
- Typographic conventions 53
- General troubleshooting 54
- • Illegal request 57
- • Cannot detect port 57
- HP1024/HP128 Disk Array 58
- HP512/HP48 Disk Array 59
- Thunder 9500V 59
- HUS/AMS/WMS 60
- External systems 62
- HUS VM Storage System 62
- HP P9500 62
- HP24000/HP20000 Disk Array 62
- AMS 2000 series guidelines 67
- SVS200 storage system 68
- EVA storage system 68
- Sun StorEdge 6120/6320 69
- Sun StorageTek FlexLine 380 69
- Sun StorageTek 2540 69
- Sun StorageTek V2X2 70
- EMC CLARiiON CX series 70
- EMC VNX series 70
- EMC Symmetrix series 71
- IBM V7000 series 71
- IBM SVC series 71
- IBM XIV series 72
- Fujitsu FibreCAT CX series 72
- SGI IS4600 series 73
- B Remote command devices 76
- Requirements 77
- Mapping a command device 78
- SANRISE9500V series 79
- Thunder 9500V series 79
- Mapping a command device 79 79
- Manager commands 80
- Storage window 81
- External Storage Systems tab 82
- External Paths tab 82
- External Path Groups tab 85
- • Summary (page 86) 86
- Mapped Volumes tab 87
- Add External Volumes wizard 89
- Add External Volumes window 90
- Selected External Volumes 93
- Edit Policies window 97
- Edit External Volumes wizard 99
- Confirm window 100
- Edit External WWNs wizard 103
- Edit External WWNs window 104
- Selected External Paths table 110
- Change Settings window 112
- Assign Processor Blade wizard 117
- LDEVs table 119
- Glossary 120
- 122 Index 122
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