
4-46 Configuring Your Storage and I/O Blade
Parameters for VD Definition
Listed below are parameters for Configuration Wizard.
Item Parameter Remarks
RAID Level
RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 00
/ RAID 10 / RAID 50 / RAID60
RAID 00 and RAID 60 are not
supported.
Strip Size
8 KB / 16 KB / 32 KB / 64 KB / 128 KB / 256
KB / 512 KB / 1024 KB
Recommended value: 64KB
Access Policy
RW / Read Only / Blocked
Recommended value: RW
Read Policy
Normal / Ahead / Adaptive
Recommended value: Normal
Write Policy
WBack / Wthru
WBack: WriteBack
WThru: WriteThru
WrtThru for BAD
BBU
Checked / Unchecked Select a mode when WriteBack
is specified for Write Policy.
Checked: Normal WriteBack
Unchecked: Constant
WriteBack
Recommended value:
Checked
IO Policy
Direct / Cached
Recommended value: Direct
Disk Cache
Policy
Unchanged / Enabled / Disabled
Recommended value:
Disabled
Disable BGI
No / Yes
Specify whether to perform
Background Initialize after
creation of VD.
Recommended value: No
IMPORTANT: BGI (Back Ground Initialize) is available only for the
following VDs:
– RAID5 VD configured with five or more physical devices.
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