International Business Machines Corporation

Ricardo M Matinata

Murilo O Araujo

Rafael P Sene

Michael E Aho

Cornell G Wright, Jr

Amir Farrokh Sanjar

Gordon G Stewart

Data recovery following the loss of a volume manager is described, wherein a volume manager receives a command, and location information and credentials to access a distributed storage. The data to be recovered may include one or more data files stored as one or more discrete portions. Each portion includes metadata, including at least a file ID tag. The volume manager retrieves each portion of data from the distributed storage and records, in an index, the location that each portion of data was retrieved from. The volume manager reads and stores the file ID tag with the associated location of the attached portion of data in the distributed storage in the volume manager index.

Resilient data storage and retrieval

Executing a service program for an accelerator application program in a hybrid computing environment that includes a host computer and an accelerator, the host computer and the accelerator adapted to one another for data communications by a system level message passing module; where the service program includes a host portion and an accelerator portion and executing a service program for an accelerator includes receiving, from the host portion, operating information for the accelerator portion; starting the accelerator portion on the accelerator; providing, to the accelerator portion, operating information for the accelerator application program; establishing direct data communications between the host portion and the accelerator portion; and, responsive to an instruction communicated directly from the host portion, executing the accelerator application program.

Message passing module in hybrid computing system starting and sending operation information to service program for accelerator to execute application program

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Campinas, Brazil

Ricardo M Matinata