210 The Green and Virtual Data Center
Measure, reassess, adjust, and repeat the process.
Approaches to improve storage PCFE efficiency include:
Spin down and power off HDDs when not in use.
Reduce power consumption by putting HDDs into a slower mode.
Do more work and store more data with less power.
Use FLASH and random-access memory (RAM), and solid-state
disks (SSDs).
Consolidate to larger-capacity storage devices and storage systems.
Use RAID levels and tiered storage to maximize resource usage.
Leverage management tools and software to balance resource usage.
Reducing your data footprint via archiving, compression, and de-
duplication
Yet another approach is simply to remove or mask the problems. For
example, address increased ...