单项选择题

A.when replacing an SVC node due to a failureB.when mig……

Moving data is one of the most common causes of planned downtime. For which of the followingpurposes might the data migration function of the SAN Volume Controller be used？（）

A.when replacing an SVC node due to a failure
B.when migrating from a Windows OS to a Linux OS
C.when replacing older storage with newer storage
D.when performing a firmware upgrade on the SVC console

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