On May 2, 2007, at 9:20 PM, Dharani Sankar Vijayakumar wrote:


when a client requests a read from the io servers, this is a non- blocking call? Can two different io transfers between a client and an io server happen at the same time?

Hi Dharani,

Yes and yes. :-) There are different pieces of the PVFS client (VFS kernel module, client daemon, client interfaces), all of which provide the ability to have multiple outstanding IO requests. I can give you a more detailed answer on the parts you're interested in.

-sam

Regards,
Dharani



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