Issue

• Error 'tpg_pref' not found in /lib64/multipath for EMC Invista Storage.

Jun 11 04:26:49 hostname multipathd: Prioritizer 'tpg_pref' not found in /lib64/multipath
Jun 11 04:26:49 hostname multipathd: Prioritizer 'tpg_pref' not found in /lib64/multipath
Jun 11 04:26:49 hostname multipathd: Prioritizer 'tpg_pref' not found in /lib64/multipath

/etc/multipath.conf file configuration

devices {
        device {
               vendor "EMC"
               product "Invista"
               product_blacklist "LUNZ"
               path_grouping_policy group_by_prio
               getuid_callout "/lib/udev/scsi_id --whitelisted --device=/dev/%n"
               path_selector "round-robin 0"
               features " 1 queue_if_no_path"
               hardware_handler " 1 alua"
               prio tpg_pref
               rr_weight uniform
               no_path_retry 5
               rr_min_io 1000
               rr_min_io_rq 1
       }