HBlock采用分布式多控架构，单LUN可以通过多个Target IQN进行连接。

确保文件deploy/csi-plugin-conf/multipath.conf中的vendor为CTYUN。

# This is a basic configuration file with some examples, for device mapper
# multipath.
#
# For a complete list of the default configuration values, run either
# multipath -t
# or
# multipathd show config
#
# For a list of configuration options with descriptions, see the multipath.conf
# man page

## Use user friendly names, instead of using WWIDs as names.
defaults {
        user_friendly_names yes
        find_multipaths yes
        uid_attribute "ID_WWN"
        #verbosity   6
}
devices {
    device {
        vendor                  "CTYUN"
        product                 "iSCSI LUN Device"
        path_grouping_policy    failover
        path_checker            tur
        path_selector           "round-robin 0"
        hardware_handler        "1 alua"
        rr_weight               priorities
        no_path_retry           queue
        prio                    alua
    }
}