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
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