Hp XP P9500 Storage User Manual Page 7
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1 Overview
With External Storage, you connect volumes in external storage systems to the HP P9500 and
manage them as if they were one system.
This guide provides information and instructions for planning, set up, maintenance, and
troubleshooting the use of external volumes with P9500 and its software products.
Features—multiple systems, common management
When a system consists of multiple storage systems, a host must usually be connected to all of the
systems. When a system administrator configures the connections from the host to volumes, he or
she follows different instructions for each of the storage systems.
With External Storage, the administrator configures the connection from the host to the P9500
storage system, then can manipulate mapped volumes in an external storage system in the same
way as volumes in the P9500 storage system.
Operations between storage systems can also involve different procedures. But with External
Storage, you perform them with the same HP software as when you use P9500 systems.
For example, you will use the desired HP replication program for copy operations between P9500
and the external systems, including the following:
• Copying data from a volume in HP P9500 to a volume in the external system.
• Copying data from a volume in an external system to a volume in another external system.
How External Storage works
A volume in an external storage system becomes an internal volume in HP P9500 when you map
to it.
• A local system port must be connected to the external storage system port with a fibre cable.
This route between ports is the "external path".
• The external volume is represented in the HP P9500 as an internal volume, and the path
between them is the “mapping path”.
• The figure below shows the connection between the local and external storage systems. In
this figure, the external system is connected to the local system’s “external ports” via a switch
using the Fibre-Channel interface. An “external port” is an attribute assigned to HP P9500
ports.
Features—multiple systems, common management 7
- 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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