>>>>> "Hannes" == Hannes Reinecke <hare@xxxxxxx> writes: Hannes> But the array might prioritize 'normal' I/O requests, and treat Hannes> XCOPY with a lower priority. So given enough load XCOPY might Hannes> actually be slower than a normal copy ... Yes, but may have lower impact on concurrent I/O. -- Martin K. Petersen Oracle Linux Engineering -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel