Il 21/09/2013 00:03, Martin K. Petersen ha scritto: > > The major headache here of course is that WRITE SAME is inherently > destructive. We can't just fire off one during discovery and see if it > works. For WRITE you can issue a command with a transfer length of 0 to > see if things work. But unfortunately for WRITE SAME a transfer length > of zero means "wipe the entire device". Yikes! What about WRITE SAME with an out-of-range lba? Or lba equal to the size of the disk and #blocks equal to zero. Paolo -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel