出现状态：只读文件系统,如下，系统不能正常使用
/usr/bin/xauth: error in locking authority file /root/.Xauthority
Could not set property: 连接超时
Could not set property: Activation of org.freedesktop.hostname1 timed out
Could not set property: Activation of org.freedesktop.hostname1 timed out
Could not set property: Activation of org.freedesktop.hostname1 timed out
-bash: /tmp/2018-08-10.Linuxea-VM-Node117.cluster.com.root.history-timestamp: 只读文件系统
-bash: /tmp/2018-08-10.Linuxea-VM-Node117.cluster.com.root.history-timestamp: Read-only file system
[root@Linuxea-VM-Node117 ~]#检查root目录正常这里也只有一个文件，便不用删他
[root@Linuxea-VM-Node117 /etc/logstash]# ll -a ~/.X*
-rw------- 1 root root 563 8月 11 09:10 /root/.Xauthority而后挂载/rw解决
[root@Linuxea-VM-Node117 ~]# mount -o remount,rw /由于fstab中没有挂载逐一挂载即可
[root@Linuxea-VM-Node117 ~]# df -h
文件系统 容量 已用 可用 已用% 挂载点
devtmpfs 3.9G 0 3.9G 0% /dev
tmpfs 3.9G 0 3.9G 0% /dev/shm
tmpfs 3.9G 8.4M 3.9G 1% /run
tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup
/dev/mapper/DG-root 13G 4.0G 8.6G 32% /
/dev/mapper/DG-data 50G 49M 50G 1% /data
tmpfs 799M 0 799M 0% /run/user/0[root@Linuxea-VM-Node117 ~]# lsblk -f
NAME FSTYPE LABEL UUID MOUNTPOINT
xvda
├─xvda2 LVM2_member jIyyxh-6U9R-3ev3-PcOA-pJog-nXuK-PlWkWQ
│ ├─DTVG-swap swap f67ab7b3-1aab-4be4-a7e1-34e7606bde0e [SWAP]
│ └─DTVG-root xfs 0b352b26-63dc-48b3-aa1b-b0296392c932 /
└─xvda1 xfs b7b1cbe7-b4fb-4fd9-9665-ec0d3d6ba124
sr0
xvdb LVM2_member GEXALG-HWG0-cstS-170v-NPNg-B5Bd-wiShE8
└─DTVG-data xfs af1f29ec-6bb1-4c93-8d1e-d20038ced3d5 /data
[root@Linuxea-VM-Node117 ~]# 挂载后重启即可
[root@Linuxea-VM-Node117 ~]# cat /etc/fstab
/dev/mapper/DTVG-root / xfs defaults 0 0
UUID=af1f29ec-6bb1-4c93-8d1e-d20038ced3d5 /data xfs defaults 0 0
/dev/DTVG/swap swap swap defaults 0 0
[root@Linuxea-VM-Node117 ~]# 
