Flexible Tier
The Flexible Tier function has the following functions:
•
Automated Storage Tiering
This function automatically reallocates data according to the data access frequency and optimi-
zes performance and cost.
•
FTRP Balancing
I/O access to a virtual volume can be distributed among the RAID groups in a pool by relocating
and balancing the physical allocation status of the volume.
•
TPV/FTV Capacity Optimization
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.
For details on these functions, refer to "TPV/FTV Capacity Optimization
" (page 47).
•
QoS automation function
The QoS for each volume can be controlled by using the ETERNUS SF Storage Cruiser's QoS
management option.
For details on the QoS automation function, refer to the ETERNUS SF Storage Cruiser manual.
2. Basic Functions
Operations Optimization (Virtualization/Automated Storage Tiering)
48
Fujitsu Storage ETERNUS DX100 S4/DX200 S4, ETERNUS DX100 S3/DX200 S3 Hybrid Storage Systems
Design Guide (Basic)
Copyright 2023 Fujitsu Limited
P3AM-7642-32ENZ0
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