• Storage Cluster configuration settings
• Operation volume preparation
• Access path settings
• Storage Cluster controller settings (when performing automatic failover)
For more details on the settings for ETERNUS SF Storage Cruiser, refer to "ETERNUS SF Storage Cruiser
Operation Guide".
Storage Optimization
Automated Storage Tiering
■
Solution Overview
Automated Storage Tiering is a function that detects frequently accessed data by monitoring data access to the
storage, and redistributes data between drives of various types according to the policy that is set.
By storing the less frequently accessed data to cost effective Nearline SAS disks with a large capacity, storage
cost can be reduced. By storing the frequently accessed data to high performance SSDs, response time are
reduced and performance is improved.
In addition, by automating operation, data management hours and management costs can be reduced.
Figure 17
Solution — Automated Storage Tiering
Nearline SAS disk
High capacity, cost effective
SAS disk
Fast
SSD
Fastest
High
Low
Operation volume
Operation management server
Monitors access frequency and
automatically redistributes data to the optimal layer
Automated Storage Tiering
ETERNUS DX
ETERNUS SF
Storage Cruiser
Access frequency
Reduce
response time
Reduce data
storage costs
11. Solution Configuration
Storage Optimization
190 Configuration Guide (Basic)
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