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To Expand an existing volume noticed:
•Only the last volume can expand capacity.
•When expand volume capacity, you can’t modify stripe size or modify raid revel simultaneously.
•You can expand volume capacity, but can’t reduce volume capacity size.
For Greater 2TB expansion:
•If your system installed in the volume, don't expanded the volume capacity greater 2TB, currently OS can’t support boot up from a greater 2TB capacity device.
•Expanded over 2TB used LBA64 mode. Please make sure your OS supports LBA 64 before expand it.
6.6.3.1 Volume Set Migration
Migrating occurs when a volume set is migrating from one RAID level to another, a volume set strip size changes, or when a disk is added to a raid set. Migration status is displayed in the vol- ume status area of the RaidSet Hierarchy screen when one RAID level to another, a volume set strip size changes or when a disk is added to a RAID set.