Toshiba Magnia Z300 - Manual (Page 23)

MegaRAID Configuration Console
Config View
23
Array Rebuild
Click on “Rebuild” to rebuild the array. Rebuilding is available
only for RAID 1 (Mirror) . The Rebuild operation automatically
determines the best available source physical drive and sets a spare
drive as a target drive, another drive in this array will be marked as
Failed and shifted to Spare drive pool.. The rebuild operation will
not be performed unless a spare drive is available.