User Guide
92
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Reconstruction
The reconstruction feature is used to change the configuration and/or RAID level of the
existing virtual disk. The Reconstruction includes three features, however, the Internal
RAID Controller supports only the "Migration with addition".
Caution
You can use WebBIOS for the Reconstruction whereas the Uni-
versal RAID Utility does not support the Reconstruction feature.
Removed physical drive
Unsupported.
Migration only
Unsupported.
Migration with addition
Use this feature to add HDDs to an existing virtual disk. The execution patterns are as
shown below (
α: Number of HDDs to be added).
Table 23: Migration with addition
Before execution After execution Description
RAID level Number
of HDDs
RAID level Number of
HDDs
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
RAID0 x RAID6
x+α
(α=2 or more)
Capacity increased: equivalent to α-2 HDDs
RAID1 2 RAID0
2+α Capacity increased: equivalent to α+1 HDDs
RAID1 2 RAID5
2+α Capacity increased: equivalent to α HDDs
RAID1 2 RAID6
2+α Capacity increased: equivalent to α-1 HDDs
RAID5 x RAID0
x+α Capacity increased: equivalent to α+1 HDDs
RAID5 x RAID5
x+α Capacity increased: equivalent to α HDDs
RAID5 x RAID6
x+α Capacity increased: equivalent to α-1 HDDs
RAID6 x RAID0
x+α Capacity increased: equivalent to α+2 HDDs
RAID6 x RAID5
x+α Capacity increased: equivalent to α+1 HDDs
RAID6 x RAID6
x+α Capacity increased: equivalent to α HDDs
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