Title:
SELF-HEALING COMPUTER SYSTEM STORAGE
Document Type and Number:
WIPO Patent Application WO2001013232
Kind Code:
A3
Abstract:
A method to manage storage of an object in a computer system (300) having a first and a second storage management process (312, 314, 316, 318, or 320) (wherein the stored object has a data portion, a metadata portion and a fault tolerance data portion) includes receiving a memory access request from a client process (302 or 304), routing the memory access request to the first storage management process (312, 314, 316, 318, or 320), determining the first storage management process (312, 314, 316, 318, or 320) has failed, routing the memory access request to the second storage management process (312, 314, 316, 318, or 320) (having access to the fault tolerance data portion), receiving a result from the second storage management process (312, 314, 316, 318, or 320), and returning at least a portion of the result to the client process (302 or 304). The second storage management process (312, 314, 316, 318, or 320) may reconstruct at least a portion of the metadata portion, modify the fault tolerance data portion in accordance with the memory access request, and store the modified fault tolerance information.
Inventors:
FREY ALEXANDER H JR
Application Number:
PCT/US2000/022680
Publication Date:
July 12, 2001
Filing Date:
August 17, 2000
Export Citation:
Assignee:
TRICORD SYSTEMS INC (US)
International Classes:
G06F11/10; G06F11/20; (IPC1-7): G06F11/20
Domestic Patent References:
| WO1999009479A1 | 1999-02-25 | |||
| WO1997022054A2 | 1997-06-19 |
Foreign References:
| EP0709779A2 | 1996-05-01 |
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