International Business Machines Corporation
DYNAMIC REBUILD CAPABILITY IN REDUNDANT ARRAY OF INDEPENDENT DISKS (RAID) ARRAYS USING COMPRESSING DRIVES

Abstract:

Method and system are provided for dynamic rebuild capability in redundant array of independent disks (RAID) arrays using compressing drives. The method includes providing an array including a physical rebuild area for the multiple drives of the array and dynamically adjusting a number of allocated rebuild zones available within the rebuild area, wherein each allocated rebuild zone has capacity to store a drive rebuild based on a current physical usage of the multiple drives of the array.