Dell Compellent Series 40 - Manual (Page 242)

234 Storage Center 5.5 System Manager User Guide
System Management
Setting System Cache
Global cache settings overwrite cache settings for individual volumes.
1 From the Storage Management menu, choose System > Properties. The System
Properties window appears. Select the Cache tab.
Figure 193. System Properties – Cache
2 Select or clear system-wide Read Cache. Read Cache anticipates the next Read seek
and holds it in quick volatile memory, thus improving Read performance.
3 Select or clear system-wide Write Cache. Write Cache holds written data in volatile
memory until it can be safely stored on disk. Write Cache protects in the event of a
power loss.
4 Click OK to save changes.