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• Do not combine LDEVs of multiple external volumes to create a LUSE volume. Only the LDEVs in
the same external volume can be used to configure the LUSE volumes.
• The external volumes, for which the different Cache Mode is set, cannot be combined to form
aLUSE volume.
HP StorageWorks XP Virtual LVI/LUN (VLL)
Consider the following for Virtual LVI/LUN (VLL):
• If you set the e
mulation type for the mainframe system as you map the external volume, you need
to format the mapped volume or perform the Write to Control Blocks operation using the VLL
function before you use the external volume.
For the formatting operation procedure and the Write to Control Blocks operation procedure, see
the HP StorageWorks XP24000 Virtual LVI/LUN (VLL) and Volume Shredder User’s Guide.
• If you create
LDEVs in an external volume using the VLL function, the cache mode of the created
LDEVs becom
e the same as those of the source external volume.
Cache Residency Manager
Consider the following for Cache Residency Manager:
• Thebindmodeofthe CacheResidency Manageroperation cannot be specified for the external
volume if the Cache Mode is set to Disable.
• If you use the mapped external volume for the Cache Residency Manager operation and set
the bind mode, a cache of twice as much capacity as the user data is required for the Cache
Residency Manager operation.
HP Stora
geWorks XP Performance Monitor and HP StorageWorks XP Auto
LUN Soft
ware
Consider the following for Performance Monitor and Auto LUN:
• Performance Monitor can be used to display the monitoring information about the external
volumes
.
• Mapped volumes can be used for Auto LUN. For adjusting volume capacity, see
“Adjusting Volume Capacities for Pairs”onpage133.
For the confi guration example of Auto LUN, see “Auto LUN Operations” on page 35.
HP StorageWorks XP Continuous Access Software
Mapped volumes can be used for Continuous Access. For adjusting volume capacity, see
“Adjusting Volume Capacities for Pairs” on page 133.
For the configuration example of Continuous Access, see “Continuous Access Operations” on page 36.
TrueCopy for Mainframe
Mapp
ed volumes can be used for TrueCopy for Mainframe. For adjusting volume capacity, see
“Adj
usting Volume Capacities for Pairs” on page 133.
HP StorageWorks XP Continuous Access Journal Software
Mapped volumes can be used for Continuous Access Journal. For adjusting volume capacity, see
“Adjusting Volume Capacities for Pairs” on page 133.
For the configuration example of Continuous Access Journal, see
“Continuous Access Journal Operations” on page 37.
34
About External Storage Operations
- HP StorageWorks 1
- Edition 2
- Description 2
- Contents 3
- Figures 7
- About this Guide 11
- XP External Storage Software 13
- Figure 2 15
- 2 About External Storage 17
- Operations 17
- External Storage Components 18
- Volumes and Mapping Paths 19
- External Storage Operations 20
- Configuring External Storage 20
- Choosing the External Port 21
- Configuring Ex 22
- Cross-subsyste 23
- Connecting Mainframe Volumes 29
- Choosing Mapping Policy 30
- Interope 33
- Continuous Access Operations 36
- Business Copy Operations 39
- XP Snapsh 40
- Figure 18 41
- Capacity Guidelines 45
- Volume Attribute Guidelines 47
- Performan 48
- RAID Level Considerations 48
- Starting Ex 49
- 4UsingtheExternalStorageGUI 51
- Volume Operation Tree 52
- Preview Dialog Box 57
- Path Operation Window 58
- Path Operation Tree 60
- Port Operation Window 63
- Port Operation T 65
- Port Operation List 65
- Setting Por 68
- Mapping an Ex 69
- Caution: 70
- Add Volume Dialog Box 71
- LDEV Mapping (Au 74
- SSID Dialog Box 76
- Configuring Cros 81
- Canceling the Cr 83
- LDEV Information Dialog Box 84
- Displayed Item 86
- Turning On or Of 87
- External Volume 89
- Checking Con 91
- Operation 91
- Resuming an Ind 92
- Restoring the Pa 93
- Changing the I 94
- Editing M 95
- 6 Remote Command Devices 99
- Remote Command Devices 100
- Remote Command Device 102
- : Cable 103
- : Ports of Standard mode 103
- 7 Troubleshooting 107
- Corrective Action 108
- Calling HP Technical Support 111
- Troubleshooting 112
- AConnectingExternalStorage 113
- Systems 113
- System Model 114
- TagmaStore W 115
- Thunder 9500V Storage System 116
- Window Names 117
- Parameters 117
- Parameter Settings 117
- Controller 118
- USP V Storage System 119
- System) 122
- SVS200 Storage System 123
- EVA Storage System 124
- 6120/6320 125
- Non-HP Storage Systems 126
- BRequiredVolumeCapacityfor 127
- Each Emulation Type 127
- Capacity 129
- List for Each Emulation Type 129
- DAcronymsand Abbreviations 135
- Acronyms and Abbreviations 136
- Volume Operation Window,51 138
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