Avago Technologies MegaRAID SATA 150-4 (523) - Manual (Page 63)

Configuration Utility Menu 3-15
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3.3.6 Check Consistency Option
Select this option to verify the redundancy data in logical drives that use
RAID levels 1, 5, 10, or 50. When you select Check Consistency, the
system displays the parameters of the existing logical drives on the current
controller and a selection menu that lists the logical drives by number. The
CU automatically corrects any discrepancies with the assumption that the
data is correct and that the error exists in the parity information. However,
if the failure is a read error on a data drive, the bad data block is
reassigned with the generated data. See
Section 3.10, “Checking Data
Consistency,” on page 3-32 for the Check Consistency procedure.
3.3.7 Reconstruct Option
Select this option to perform a reconstruction. A reconstruction occurs
when you change the RAID level of an array or add a physical drive to
an existing array. Refer to
Section 3.11, “Reconstructing Logical Drives,”
on page 3-33 for the procedure to perform a reconstruction.
3.3.8 Select Adapter Menu
This menu item appears only if the system contains more than one
MegaRAID host adapter. The CU lists the adapters present in the system
after you choose the Select Adapter option. Select the MegaRAID
adapter that you want to configure from this menu.