Reliability scheme using hybrid ssd/hdd replication with log structured management
AssigneeInternational Business Machines Corporation
InventorsEvangelos S. Eleftheriou, Robert Haas, Xiao-Yu Hu, Roman A. Pletka
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Abstract
In one embodiment, a method of managing data includes managing a first copy of data in a solid state memory using a controller of the solid state memory, and managing a second copy of the data in a hard disk drive memory using the controller. In another embodiment, a system for storing data includes a solid state memory, at least one hard disk drive memory, and a controller for controlling storage of data in both the solid state memory and the hard disk drive memory. Other methods, systems, and computer program products are also described according to various embodiments.
Claims20
A method of managing data, the method comprising:
- managing a first copy of data in a solid state memory using a controller of the solid state memory;
- and
- managing a second copy of the data in a hard disk drive memory using the controller.
A system for storing data, the system comprising:
- a solid state memory;
- at least one hard disk drive memory;
- and
- a controller for controlling storage of data in both the solid state memory and the hard disk drive memory.
A computer program product for storing data on a data storage system, the computer program product comprising a computer readable storage medium having computer readable program code embodied therewith, the computer readable program code comprising:
- computer readable program code configured to store a first copy of data in a solid state memory using a controller of the solid state memory;
- and
- computer readable program code configured to store a second copy of the data in a hard disk drive memory using the controller of the solid state memory.
Dependencies are inferred from the claim text.