Hitachi Compute Blade 500 Series User Manual page 290

Always Write Back
Write Through
Write Back with BBU Write cache is valid only when the cache backup module is
Note: In Write Policy, Write Back with BBU is supported only. If not,
write performance may be degraded.
– When selecting Write Through in the Default write setting, click Yes.
– When selecting Always Write Back in the Default write setting, click
Yes.
– When selecting Write Back with BBU in the Default write setting, click
Yes.
4-80
Table 4-20 Guideline of initialization
Setting value
Write cache is valid.
Write cache is invalid.
installed.
MegaRAID WebBIOS for storage expansion blades
Hitachi Compute Blade 500 Series EFI User's Guide
Description