106 Implementing the IBM Storwize V5000 Gen2 with IBM Spectrum Virtualize V8.1
Figure 3-50 shows details about detected managed disks.
Figure 3-50 Newly discovered managed disks
All newly discovered disks are always interpreted in an unmanaged mode. You must assign
them to the specific pool to be able to operate them.
3.4.6 MDisks by pools
This option on the Pools menu provides the list of all managed disks and arrays of disks,
either internally or externally connected, and associated with one of the defined pools. It also
lists all unassigned MDisks (which are only provided by external storage systems) separately,
see Figure 3-51 on page 107.
Important: The MDisks are not physical disk drives, but storage arrays that are configured
on external systems.
If you add a managed disk that contains existing data to a managed disk group, you lose
the data that it contains. The
image mode is the only mode that preserves its data.
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