HP XP Racks - Manual (Page 3)

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....................................................................13
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
Determining capacity for mainframe volume other than 3390-A and 3390-V........................19
Adjusting volume capacities for pairs...............................................................................20
Planning external paths and path groups ..................................................................................21
External paths...................................................................................................................21
Single path mode..........................................................................................................21
Multi path mode ..........................................................................................................22
Supported external systems path mode for external volumes................................................23
External path configurations — direct and switch ..................................................................24
Default mapping settings.........................................................................................................25
3 HP XP7 Storage software supported for external volumes...............................26
Cache Residency ...................................................................................................................26
Fast Snap..............................................................................................................................26
Thin Provisioning, Dynamic Provisioning for Mainframe, Smart Tiers, Smart Tiers Z, and Fast Snap....27
Local replication software........................................................................................................27
LUN Manager and Configuration File Loader.............................................................................27
Performance Monitor and Auto LUN V2.....................................................................................27
Remote replication software ....................................................................................................28
SNMP Agent .........................................................................................................................29
Customized Volume ...............................................................................................................29
4 Setting up external volumes.......................................................................30
Setup workflow .....................................................................................................................30
Setting port attributes on the local system...................................................................................30
Setting up ports on the external system......................................................................................33
Mapping an external volume...................................................................................................34
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