HP SAN

echo "- - -" > /sys/class/scsi_host/host0/scan
echo 1 > /sys/block/device_name/device/rescan

devices {
device {
vendor                  "HP"
product "HSV2[01]0|HSV3[046]0|HSV4[05]0"
getuid_callout "/sbin/scsi_id -g -u -s /block/%n"
prio_callout "/sbin/mpath_prio_alua /dev/%n"
hardware_handler "0"
path_selector "round-robin 0"
path_grouping_policy group_by_prio
failback immediate
rr_weight uniform
rr_min_io 100
no_path_retry 18
path_checker tur
}
}