Patent attributes
A method of increasing operational life time of SSD RAID and a storage equipment using same, the method including: configuring a data storage device to have a plurality of storage areas, each storage area including a plurality of stripes, and each stripe including an individual block of a plurality of solid state disks, where at least one block in each stripe is a check bit block, the other blocks are data blocks; and configuring two neighboring stripes in each storage area to form a composite stripe according to a plurality of index combinations in a mapping table, where the composite stripe includes two neighboring blocks in each solid state disk, and the composite stripe is divided into a stripe writing area and an empty stripe area, so that each solid state disk in each storage area has a reserved space.