4-44 Configuring Your ServerReconstructionThe reconstruction feature is used to change configuration and/or RAID level of existing virtualdisk. The Reconstruction contains the following three features, however, the on-board RAID(MegaRAID ROMB) supports "Migration with addition" only.Removed physical driveUnsupported.Migration onlyUnsupported.Migration with additionUse this feature to add HDDs to existing virtual disk. On MSM, this feature is indicated as "AddDrive". The execution patterns are as shown below (α: Number of HDDs to be added).Before execution After executionRAIDlevelNumberof HDDsRAIDlevelNumberof HDDsDescriptionRAID0 x RAID0 x+α Capacity increased: equivalent to α HDDsRAID0 1 RAID1 2 Capacity remains unchanged.RAID0 x RAID5 x+α Capacity increased: equivalent to α-1 HDDsRAID1 2 RAID0 2+α Capacity increased: equivalent to α+1 HDDsRAID1 2 RAID5 2+α Capacity increased: equivalent to α HDDsRAID5 x RAID0 x+α Capacity increased: equivalent to α+1 HDDsRAID5 x RAID5 x+α Capacity increased: equivalent to α HDDs
