zfs-builds-mm/zfs-2.0.0-rc6/etc/zfs/vdev_id.conf.multipath.example

multipath yes

#       PCI_ID  HBA PORT  CHANNEL NAME
channel 85:00.0 1         A
channel 85:00.0 0         B
channel 86:00.0 1         A
channel 86:00.0 0         B