[root@localhost ~]# uname -a

Linux localhost.localdomain 3.10.0-957.el7.x86_64 #1 SMP Thu Nov 8 23:39:32 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux

[root@localhost ~]# lsb_release -a

LSB Version: :core-4.1-amd64:core-4.1-noarch:cxx-4.1-amd64:cxx-4.1-noarch:desktop-4.1-amd64:desktop-4.1-noarch:languages-4.1-amd64:languages-4.1-noarch:printing-4.1-amd64:printing-4.1-noarch

Distributor ID: CentOS

De ion: CentOS Linux release 7.6.1810 (Core) 

Release: 7.6.1810

Codename: Core

[root@localhost ~]# cnmon

cndev init failed: CNDEV_ERROR_UNKNOWN.

重启服务器无法恢复正常，急！求救！