Extending Management Functions in Volume Management and SAN Virtualization Systems
Once virtualization lenses and storage pools have been implemented, they tend to remain in place for a long time. It's not surprising that volume management and SAN virtualization system vendors have integrated other management functions into their products, including hot sparing and automated storage migration.
Hot Sparing with Volume Managers and SAN Virtualization Systems
The basic idea of hot sparing is to have storage resources in reserve that can be used to take the place of a failed member in a mirror or RAID array.
Whereas storage subsystems work with internal disk drives in the subsystem, volume managers and SAN virtualization systems work with downstream ...
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