Hp XP P9500 Storage User Manual Page 3

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Contents
1 Overview..................................................................................................7
Features—multiple systems, common management........................................................................7
How External Storage works......................................................................................................7
Typical components..................................................................................................................8
External storage system.........................................................................................................9
External volume...................................................................................................................9
Internal volume....................................................................................................................9
License...............................................................................................................................9
Interfaces ...........................................................................................................................9
Remote Web Console .....................................................................................................9
RAID Manager...............................................................................................................9
Spreadsheets ...............................................................................................................10
2 Requirements and planning.......................................................................11
Planning workflow..................................................................................................................11
System requirements................................................................................................................11
Planning considerations for external storage systems....................................................................12
Application performance considerations....................................................................................13
Planning external volumes .......................................................................................................13
Cache use and external storage performance........................................................................14
Cache Mode effects with other HP software......................................................................15
Mainframe volumes............................................................................................................15
Open systems volumes........................................................................................................16
External volume groups (ExGs) ...........................................................................................16
Capacity requirements for volumes ......................................................................................16
LDEV capacities per emulation type.................................................................................17
Example: Determining capacity for OPEN-3 volume...........................................................18
Adjusting volume capacities for pairs...............................................................................19
Planning external paths and path groups ..................................................................................20
External paths...................................................................................................................20
Single path mode..........................................................................................................20
Multi path mode ..........................................................................................................21
Supported external systems path mode for external volumes...............................................22
External path configurations — direct and switch ..................................................................23
Default mapping settings.........................................................................................................24
3 HP P9500 software supported for external volumes.......................................25
Cache Residency ...................................................................................................................25
Snapshot ..............................................................................................................................25
Thin Provisioning,Dynamic Provisioning for Mainframe, Smart Tiers, and Smart Tiers Z, and Fast
Snap....................................................................................................................................26
Local replication software........................................................................................................26
LUN Manager and Configuration File Loader.............................................................................26
LUN Expansion .....................................................................................................................27
Performance Monitor and Auto LUN V2.....................................................................................27
Remote replication software ....................................................................................................28
SNMP Agent ....................................................................................................................28
Customized Volume ...........................................................................................................28
4 Setting up external volumes.......................................................................29
Setup workflow .....................................................................................................................29
Setting up ports on the local system...........................................................................................29
Setting up ports on the external system......................................................................................30
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