IBM DS8000 User Manual
Page 123
Chapter 5. Virtualization concepts
101
Any mix of CKD or FB addresses in 4096 address groups.
Increased logical volume size:
– CKD: 55.6 GB (65520 cylinders), architected for 219 TB
– FB: 2 TB, architected for 1 PB
Flexible logical volume configuration:
– Multiple RAID types (RAID-5, RAID-10)
– Storage types (CKD and FB) aggregated into extent pools
– Volumes allocated from extents of extent pool
– Dynamically add/remove volumes
Virtualization reduces storage management requirements.
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