HP 3PAR StoreServ 7200 2-node HP 3PAR SmartStart 1.1 User's Guide (QL - Page 34

Storage Software Components, HP 3PAR StoreServ Storage System Data Layers

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8 Storage Software Components HP 3PAR StoreServ Storage systems include both the hardware components that physically store your data, and the software applications that manage your data. An HP 3PAR storage system is composed of the following logical data layers: • Physical disks • Chunklets: On an HP 3PAR StoreServ 7000 Storage system, chunklets are 1 GiB units of disk space • Logical disks: Advanced storage components that add RAID stability • CPGs (Common Provisioning Groups): Shared pools of storage space • Virtual Volumes: Data containers accessible by host systems The relationship between HP 3PAR storage system data layers is illustrated in Figure 1 (page 34). Figure 1 HP 3PAR StoreServ Storage System Data Layers 34 Storage Software Components

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8 Storage Software Components
HP 3PAR StoreServ Storage systems include both the hardware components that physically store
your data, and the software applications that manage your data.
An HP 3PAR storage system is composed of the following logical data layers:
•
Physical disks
•
Chunklets
: On an HP 3PAR StoreServ 7000 Storage system, chunklets are 1 GiB units of disk
space
•
Logical disks
: Advanced storage components that add RAID stability
•
CPGs (Common Provisioning Groups)
: Shared pools of storage space
•
Virtual Volumes
: Data containers accessible by host systems
The relationship between HP 3PAR storage system data layers is illustrated in
Figure 1 (page 34)
.
Figure 1 HP 3PAR StoreServ Storage System Data Layers
34
Storage Software Components