Hardware
332
Reconstruction
The reconstruction feature is used to change configuration and/or RAID level of existing virtual
disk. The Reconstruction contains the following three features, however, Internal RAID Controller
supports "Migration with addition" only.
Removed physical drive
Unsupported.
Migration only
Unsupported.
Migration with addition
Use this feature to add HDDs to existing virtual disk. The execution patterns are as shown
below (: Number of HDDs to be added).
Before execution After execution
RAID level Number of
HDDs
RAID level Number of
HDDs
Description
RAID0 X RAID0
X＋α
Capacity increased: equivalent to α
HDDs
RAID0 1 RAID1 2
Capacity remains unchanged.
RAID0 X RAID5
X＋α
Capacity increased: equivalent to α-1
HDDs
RAID1 2 RAID0
2＋α
Capacity increased: equivalent to α+1
HDDs
RAID1 2 RAID5
2＋α
Capacity increased: equivalent to α
HDDs
RAID5 X RAID0
X＋α
Capacity increased: equivalent to α+1
HDDs
RAID5 X RAID5
X＋α
Capacity increased: equivalent to α
HDDs
IMPORTANT:
Use WebBIOS for Reconstruction. Universal RAID
Utility does not support Reconstruction.
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