There are situations (config issues, multi-drive failures, controller reboots, and so on.) that might cause the drives to go to an offline state. If the volume group is offline due to any of these you can use cfgMarkNonOptimalDriveGroupOnline to get the volume online.
When you initialize a physical disk, all old volume group and volume information is erased and the physical disk is returned to an unassigned state. Returning a physical disk to an unassigned state adds unconfigured capacity to a storage array. You can use this capacity to create additional volume groups and volumes. CAUTION Potential data loss. When you initialize a physical disk all data on the physical disk is lost.
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