[Mpi3-ft] [MPI3-IO] Fault Tolerance & I/O Discussion

George Bosilca bosilca at eecs.utk.edu
Thu Feb 23 16:42:03 CST 2012

Due to the member-only policy on the I/O list, my previous attempt to send the new FT proposal bounced. This is a re-sent of the same message now that I subscribed.


> Based on the discussion and opinions expressed during this call, the new FT proposal has been extended to include wording about the I/O. The model for I/O is very synchronous, providing a single function related to I/O. This function can be used to invalidate a file, preempting any subsequent operation on it. The file will then have to be closed, and is necessary reopened based on a new communicator (a smaller version of the original one).
> The current version if the FT proposal is attached to this email, and can be accessed in the working group wiki @ https://svn.mpi-forum.org/trac/mpi-forum-web/wiki/User_Level_Failure_Mitigation.
> We expect to have a final version of the proposal by Monday noon EST, as requested by the MPI_Forum to be able to have a first reading at the next meeting. We are looking forward to your comments.
>  george.

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