Dell PowerEdge RAID Controller S140 User’s Guide
Background initialization
Background initialization (BGI) of a redundant virtual disk creates the parity data that allows the virtual disk to maintain its redundant data and survive a physical disk failure. Similar to CC, BGI helps the controller to identify and correct problems that might occur with the redundant data at a later time.
CAUTION: Data is lost if a physical disk fails before the completion of a
BGI operation.
BGI allows a redundant virtual disk to be used immediately.
NOTE: Although a BGI
is software-initiated from within the BIOS Configuration Utility (accessible through Ctrl + R), the PERC S140 drivers must be loaded before the
BGI runs.
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