Hi All, I want to do a software mirroring of a block device. I find that blktrace is an excellent tool to begin with. However, I find blktrace only gets the parameters of the block device requests. Is it feasible to enhance blktrace as to do mirroring of a block device? Can anyone help with that? Thanks in advance, Shawn -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel