I am just wondering about select_queue_depths() and cmd_per_lun.
Is a HBA driver allowed to have more than one outstanding command at the
same LUN? Or is it responsible for command serialization?
I am just thinking about multiple paths in Fibre Channel environments
because of several FC adapters within a single host connected to the same
switched fabric. Are there cases where I can spread several commands to
the same LUN over multiple ports at the same time to (maybe) increase
performance?
Thanks.
Martin Peschke
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