Rebuild Rebuilding a disk is the process of reconstructing the data that had been on a disk before it failed. Rebuilding can be done only in arrays with data redundancy (RAID levels 1, 3, 5, and 6 or 1+0).
Rebuilding a disk is the process of reconstructing the data that had been on a disk before it failed. Rebuilding can be done only in arrays with data redundancy (RAID levels 1, 3, 5, and 6 or 1+0).