Dell PowerVault MD3200 - Manual (Page 9)

Introduction 9
Unconfigured capacity comprises physical disks not already assigned to a disk
group. When a virtual disk is created using unconfigured capacity, a disk
group is automatically created. If the only virtual disk in a disk group is
deleted, the disk group is also deleted. Free capacity is space in a disk group
that is not assigned to any virtual disk.
Data is written to the physical disks in the storage array using RAID
technology. RAID levels define the way in which data is written to physical
disks. Different RAID levels offer different levels of accessibility, redundancy,
and capacity. You can set a specified RAID level for each disk group and
virtual disk on your storage array.
For more information about using RAID and managing data in your storage
solution, see the Owner’s Manual at dell.com/support/manuals.
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