> i wantes to use scsi unmap with rbd. rbd documention says you need to > set discard_granularity=512 for the device. I'm using qemu 1.2. > > If i set this and send an UNMAP command i get this kernel output:
The discard request is failing. Please check why with a breakpoint on rbd_aio_discard_wrapper or scsi_handle_rw_error for example. Paolo
