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4-64 Configuring Your Server
Parameters for VD Definition
Listed below are parameters for Configuration Wizard.
Item
RAID Level
Strip Size
Access Policy
Read Policy
Write Policy
WrtThru for
BAD BBU
IO Policy
Disk Cache
Policy
Disable BGI
IMPORTANT:
BGI (Back Ground Initialize) is available only for RAID5 VD
configured with five or more HDDs.
To use RAID 5 or RAID 6, you need to additionally install the
optional N8103-119 RAID Upgrade Kit.
If N8103-119 RAID Upgrade Kit is not installed, do not select
"RAID5" that may appear in [RAID Level] box. If selected, you
will fail to save the configuration information. In such a case, you
need to define a VD again from the beginning.
Parameter
RAID 0 / RAID 1 / RAID 5 / RAID 6 /
RAID 00 / RAID 10 / RAID 50 / RAID60
8 KB / 16 KB / 32 KB / 64 KB / 128 KB
/ 256 KB / 512 KB / 1024 KB
RW / Read Only / Blocked
Normal / Ahead / Adaptive
WBack / WThru
Checked / Unchecked
Direct / Cached
NoChange / Enable / Disable
No / Yes
Remarks
RAID 00, RAID 10, RAID 50 and
RAID 60 are not supported.
Recommended value: 64KB
Recommended value: RW
Recommended value: Normal
WBack: WriteBack
WThru: WriteThru
Select a mode when WriteBack is
specified for Write Policy.
Checked: Normal WriteBack
Unchecked: Constant WriteBack
Recommended value: Checked
Recommended value: Direct
Recommended value: Disable
Specify whether to perform
Background Initialize after creation of
VD.
Recommended value: No
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