
88 DS8800 Performance Monitoring and Tuning
4.1 Review the tiered storage concepts and Easy Tier
Many storage environments support a diversity of needs and use disparate technologies that
cause storage sprawl. In a large-scale storage infrastructure, this environment yields a
suboptimal storage design that can be improved only with a focus on data access
characteristics analysis and management to provide optimum performance.
4.1.1 Tiered storage concept
Tiered storage is an approach of using different types of storage throughout the storage
infrastructure. It is a mix of higher performing/higher-cost storage with lower
performing/lower-cost storage ...