MetaLUN 的限制条件
Concatenate Expansion:
Instant capacity expansion
Can mix different RAID types and capacities
Cannot mix FC and ATA
Cannot mix RAID-0 with other RAID types (parity protected)
Stripe Expansion:
All data accessible to host during re-striping
Additional capacity available only re-striping completes
Speed of re-striping can be adjusted
Same RAID type and same size of base LUN
Cannot mix FC with ATA
Expansion rates (GB/h): Low(4), Med(6), High(12), and ASAP
Only FLUs can be added to MetaLUNs.
Destroying the metaLUN unbinds all component FLUs.
Only the last component of a metaLUN can be expanded by striping