Fix unexpected multipathing of local SCSI disks

multipath.conf

# RHEV REVISION 1.0
# RHEV PRIVATE
defaults {
    polling_interval        5
    no_path_retry           fail
    user_friendly_names     no
    flush_on_last_del       yes
    fast_io_fail_tmo        5
    dev_loss_tmo            30
    max_fds                 4096
    verbosity               3
}

devices {
device {
    vendor                  "HITACHI"
    product                 "DF.*"
}
device {
    vendor                  "COMPELNT"
    product                 "Compellent Vol"
    no_path_retry           fail
}
}
blacklist {
device {
    vendor                   "LSI"
    product                  "MR926*"
}
}