System and method for I/O error recovery

Details System and method for I/O error recovery System and method for I/O error recovery

2004-08-13

2008-12-02

Baderman, Scott T. (Department: 2114)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C714S005110, C714S057000, C709S223000, C709S224000

Reexamination Certificate

active

07461302

ABSTRACT:
A system and method for recovering from an I/O error in a distributed object-based storage system that includes a plurality of object storage devices for storing object components, a manager coupled to each of the object storage devices, wherein the object storage devices coordinate with the file manager, and one or more clients that access and store distributed, object-based files on the object storage devices. A client attempts to perform an operation selected from the group consisting of: a data read operation from an object storage device, a data write operation to an object storage device, a set attribute operation to an object storage device, a get attribute operation from an object storage device and a create object operation to an object storage device. Upon failure of the operation, the client sends a message from the client to the manager that includes information representing a description of the failure.

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Google definition of i/o found by typing “define: i/o” (without quotations) into a Google search field.

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