ReallocationControl can prevent the array configuration from changing and helps avoid unintentional loss of data.

ReallocationControl provides the following functions:
Lock array configuration
Prevent logical disks or physical disk pools from being adjusted accidentally.
Logical disk safety
Prevent non-mounted volumes with data on them from being provisioned and over-written
Security Management
Initialize logical disks to ensure confidentiality. Maintain disk confidentiality when disks are reconstructed.