| CPC G06F 3/0647 (2013.01) [G06F 3/0608 (2013.01); G06F 3/0689 (2013.01)] | 20 Claims | 

| 
               1. A system comprising: 
            a disk cluster including a group of disks, the group of disks storing data object components of a plurality of data objects; and 
                a disk cluster manager, wherein the disk cluster manager is configured to: 
              receive a format conversion instruction associated with the disk cluster; 
                  identify a first subgroup of disks of the group of disks that are the emptiest disks of the group of disks; 
                  evacuate all data of the first subgroup of disks to other disks in the group of disks; 
                  reformat the first subgroup of disks based on the received format conversion instruction; 
                  convert a group of data objects stored in the disk cluster based on the received format conversion instruction; and 
                  write the converted group of data objects to the reformatted first subgroup of disks. 
                 |