Method, apparatus and program storage device for providing data path optimization
AssigneeInternational Business Machines Corporation
InventorsCam-Thuy Do, Vishal Ghosalkar, Khoa Khon Ngo, Wenhua Liu
Life of this patent
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Abstract
The present invention is a method, apparatus and program storage device for providing data path optimization for redundant data paths. The present invention provides data path optimization that increases the data access throughput and availability to a device by using multiple paths when a modification event occurs.
Claims39
A virtual device controller for multi-path operation, comprising:
- a first driver for detecting a modification event on a data path;
- and
- a second driver, coupled to the first driver, for creating a redundant data path for the data path, wherein the first driver communicates the modification event to the second driver, the second driver creating the redundant data path in response to the modification event.
A cluster environment for multi-path operation, comprising:
- a memory;
- and
- a plurality of hosts, wherein each host includes a virtual device controller comprising:
- a first driver for detecting a modification event on a data path;
- and
- a second driver, coupled to the first driver, for creating a redundant data path for the data path, wherein the first driver communicates the modification event to the second driver, the second driver creating the redundant data path in response to the modification event.
A program storage device readable by a computer, the program storage device tangibly embodying one or more programs of instructions executable by the computer to perform a method for providing multi-path operation, the method comprising:
- detecting a modification event on a data path;
- and
- creating a redundant data path for the data path in response to the modification event.
A method for providing multi-path operation, comprising:
- detecting a modification event on a data path;
- and
- creating a redundant data path for the data path in response to the modification event.
A virtual device controller for multi-path operation, comprising:
- a first means for detecting a modification event on a data path;
- and
- a second means, coupled to the first means, for creating a redundant data path for the data path, wherein the first means communicates the modification event to the second means, the second means creating the redundant data path in response to the modification event.
Dependencies are inferred from the claim text.