Operations Optimization (Virtualization/Automated Storage Tiering); Thin Provisioning - Fujitsu ETERNUS DX500 S4/DX600 S4 Design Manual

2. Basic Functions

Operations Optimization (Virtualization/Automated Storage Tiering)

Operations Optimization (Virtualization/Automated Storage
Tiering)

Thin Provisioning

The Thin Provisioning function has the following features:
Storage Capacity Virtualization
•
The physical storage capacity can be reduced by allocating the virtual drives to a server, which allows efficient
use of the storage capacity. The volumes more than the capacity of all the installed drives can be allocated by
setting the capacity required for virtual volumes in the future.
TPV Balancing
•
I/O access to the virtual volume can be distributed among the RAID groups in a pool, by relocating and balanc-
ing the physical allocation status of the virtual volume.
TPV/FTV Capacity Optimization (Zero Reclamation)
•
Data in physically allocated areas are checked in blocks and unnecessary areas (areas where 0 is allocated to
all of the data in each block) are released to unallocated areas.
FUJITSU Storage ETERNUS DX500 S4/DX600 S4, ETERNUS DX500 S3/DX600 S3 Hybrid Storage Systems Design Guide (Basic)
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