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f654b971d0
The DASD device driver has a new attribute copy_pair to make storage server copy pairs known to the driver. Add this attribute to zdev. Usage example: Add two copy pairs 1000,2000 and 1000,3000 to a DASD device 1000 $ chzdev dasd 1000 copy_pairs=1000,2000 copy_pairs=1000,3000 or $ chzdev dasd 1000 copy_pairs="1000,2000 1000,3000" To add a third copy pair later on: $ chzdev dasd 1000 copy_pairs=1000,4000 To remove all copy pairs from the device 1000: $ chzdev dasd 1000 -r copy_pairs Signed-off-by: Stefan Haberland <sth@linux.ibm.com> Reviewed-by: Peter Oberparleiter <oberpar@linux.ibm.com> Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>