User guide

Disable BGI: No, Yes
Select Size: Specify the size of the RAID array
5. Select Next.
6. A message warns you of the effect of your particular Write Policy setting:
Write Through:The configuration might result in slower performance.
Always Write Back: The configuration results in optimal performance, but there is a risk
of data loss in the event of power failure.
Write Back with BBU: If you have not installed BBU, write back is enabled only when the
battery has a sufficient charge. During a learning cycle, the caching policy reverts to write-
through until the learning cycle is complete.
7. Select Yes to accept the warning, and then select Next.
8. Select Accept, and then select Yes to save the configuration.
9. Select Yes to initialize the virtual drive you created.
176 Appendix B Configuring RAID devices