multipathd dead but pid file exists

构建RAC环境时出现的错误

百度半天未找到解决方案，Google了一下，终于找到可行方案

Solution:-
yum update device-mapper glibc -y

[root@HE2 subsys]# /etc/init.d/multipathd restart
ux_socket_connect: Connection refused
Stopping multipathd daemon:                                [FAILED]
Starting multipathd daemon:                                [  OK  ]
[root@HE2 subsys]# /etc/init.d/multipathd stop
Stopping multipathd daemon:                                [  OK  ]
[root@HE2 subsys]# /etc/init.d/multipathd start
Starting multipathd daemon:                                [  OK  ]
[root@HE2 subsys]# /etc/init.d/multipathd status
multipathd (pid  4064) is running...