Figure 25 Flexible Tier - Fujitsu ETERNUS DX500 S4/DX600 S4 Design Manual

2. Basic Functions
Operations Optimization (Virtualization/Automated Storage Tiering)
Furthermore, because data is reallocated automatically, it can reduce the workload on the administrator for de-
signing storage performance.

Figure 25 Flexible Tier

Management server
The Flexible Tier uses pools configured by multiple RAID groups (Flexible Tier Sub Pools: FTSP) and larger pools
comprised by layers of Flexible Tier Sub Pools (Flexible Tier Pools: FTRP). A volume which is used by the Flexible
Tier is referred to as the Flexible Tier Volume (FTV).
FUJITSU Storage ETERNUS DX500 S4/DX600 S4, ETERNUS DX500 S3/DX600 S3 Hybrid Storage Systems Design Guide (Basic)
Monitors the data access frequency
ETERNUS SF
Storage Cruiser
Access frequency
High
Low
Work volume
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and optimizes performance
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ETERNUS DX
High speed SSD
High speed SAS disk
Large capacity
and cheap
Nearline SAS disk
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