NEC SigmaBlade AD106a Guia do Utilizador descarregar pdf (Página 55)

Configuring Your Storage and I/O Blade 4-11

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, the Internal RAID

Controller supports "Migration with addition" only.

IMPORTANT: You can use WebBIOS for Reconstruction. Universal

RAID Utility does not support Reconstruction.

 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 (α: 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

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

1 2 ... 50 51 52 53 54 55 56 57 58 59 60 ... 161 162

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