netapp多路径

defaults {
flush_on_last_del yes
max_fds max
queue_without_daemon no
user_friendly_names no
dev_loss_tmo infinity
fast_io_fail_tmo 5
}
blacklist {
devnode “^sda”
devnode “^hd[a-z]”
devnode “^(ram|raw|loop|fd|md|dm-|sr|scd|st)[0-9]"
devnode "^ccis.”
}
devices {
device {
vendor “NETAPP”
product “LUN”
path_grouping_policy group_by_prio
features “3 queue_if_no_path pg_init_retries 50”
prio “alua”
path_checker tur
failback immediate
path_selector “round-robin 0”
hardware_handler “1 alua”
rr_weight uniform
rr_min_io 128
getuid_callout “/lib/udev/scsi_id -g -u -d /dev/%n”
}
}