On 02/07/21 16:21, Martin Wilck wrote:
SG_IO gives you raw access to the SCSI logic unit, and you get to keep the pieces if anything goes wrong.That's a very fragile user space API, on the fringe of being useless IMO.
Indeed. If SG_IO is for raw access to an ITL nexus, it shouldn't be supported at all by mpath devices. If on the other hand SG_IO is for raw access to a LUN, there is no reason for it to not support failover. Paolo
