Hi Gregory You're right, when setting the object layout in libradosstriper, one should set all three parameters (the number of stripes, the size of the stripe unit, and the size of the striped object). The Ceph plugin for GridFTP has an example of this at https://github.com/stfc/gridFTPCephPlugin/blob/master/ceph_posix.cpp#L371
At RAL, we use the following values: $STRIPER_NUM_STRIPES 1 $STRIPER_STRIPE_UNIT 8388608 $STRIPER_OBJECT_SIZE 67108864 Regards, Ian Johnson MBCS Data Services Group Scientific Computing Department Rutherford Appleton Laboratory
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