Toshiba S3 User Manual page 251

Rebuilding the data on the secondary disk in a RAID-1 array
The Confirm disk mirroring window appears.
Sample Confirm disk mirroring window
6 Click OK.
7 The Confirm disk mirroring window appears.
Sample Confirm disk mirroring window
8 Click OK.
The computer begins copying data from the internal hard disk
to the secondary hard disk drive.
It may take several minutes or up to one hour to rebuild the
array depending on the amount of data to be copied.
The progress of the rebuilding process can be viewed on the
TOSHIBA RAID Console window.
Using the RAID-1 Utility
251