Chapter 10.2.4. Dynamic reconfiguration
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Chapter 10. Hosts 179 10.2.4 Dynamic reconfiguration Many users want to dynamically reconfigure the storage connected to their hosts. The SVC gives you this capability by virtualizing the storage behind the SVC so that a host will see only the SVC VDisks presented to it. The host can then add or remove storage dynamically and reallocate using VDisk- MDisk changes. After you decide to virtualize your storage behind an SVC, an image mode migration is used to move the existing back- end storage behind the SVC. This process is simple, seamless, and requires the host to be gracefully shut down. Then the SAN must be rezoned for SVC to be the host, the back- end storage LUNs must be moved to the SVC as ...
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