Hitachi Compute Blade 500 Series - Page 257

10. Specify the RAID level, strip size, read policy, write policy, and disk array
size as shown in the table below with all disk array configuration selected.
Click Accept.
Table 4-16 Specify the RAID level, strip size, and policies
Menu items Description Setting/display value
RAID Level RAID Level [RAID 10]
Strip Size Strip size 8 KB / 16 KB / 32 KB / [<<64
KB>>] / 128 KB / 256 KG / 512 KB /
1 MB
Access Policy Access policy [<<RW (reading and writing)>>] /
Read Only (reading only) /
Blocked (access denied)
Read Policy Read policy [<<Normal (no advanced
reading)>>] /
Ahead (always advanced reading)
Write Policy
1
Write policy <<Write Through (write cache
invalid)>> /
Always Write Back (write-cache
valid) /
[Write Back with BBU (Write cache is
valid only when the cache backup
module is installed.)]
IO Policy Read-cache operation [<<Direct (reading from the cache at
a cache hit)>>] /
MegaRAID WebBIOS for storage expansion blades
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Hitachi Compute Blade 500 Series EFI User's Guide