NEC BladeServer Express5800 Series User Manual page 122

Parameters for VD Definition
Listed below are parameters for Configuration Wizard.
Item
RAID Level
Strip Size
Access Policy
Read Policy
Write Policy
IO Policy
Disk Cache Policy
Disable BGI
IMPORTANT:
RAID5 VD configured with five or more HDDs.
Parameter
RAID 0 / RAID 1 / RAID 5
8 KB / 16 KB / 32 KB / 64 KB / 128 KB
RW / Read Only / Blocked
Normal / Ahead / Adaptive
WBack / WThru / BadBBU
Direct / Cached
Unchanged / Enable / Disable
No / Yes
BGI (Back Ground Initialize) is available only for
Configuring Your Server 4-65
Remarks
Recommended value: 64KB
Recommended value: RW
Recommended value: Normal
WBack: WriteBack
WThru: WriteThru
BadBBU: Unavailble
Recommended value: Direct
Recommended value: Unchanged
Specify whether to perform
Background Initialize after creation
of VD.
Recommended value: No