Bin,

Kevin is right, pvfs2-cp doesn't support disabling ncache and acache. The caches don't really get used for pvfs2-cp. They may get initialized when the application starts, but since pvfs2-cp only copies a single file, any entries placed in the caches are gone once the process exits and starts again.

-sam

On Nov 9, 2009, at 11:03 AM, Kevin Harms wrote:

Bin,

I don't believe pvfs2-cp supports an option for changing these parameters. The code test/client/mpi-io/multi-md-test-size-sweep.c does have an example of how to do this from the client using PVFS_sys_set_info.

kevin

On Nov 8, 2009, at 2:17 AM, bin dong wrote:

Hi,

   How to disable acache and ncache for pvfs2-cp

Thanks.
Bin
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