Linux的root账户执行df卡顿,df -h执行卡住不动问题解决【转】

昨天生产环境报日志写不进去了，因此 登陆线上环境后，习惯用df -h命令查看空间使用情况，结果发现该命令执行半天也没有返回。

因此使用mount命令查看该机器上的目录：

[conversant@swiftmedia-esc ~]$ mount

/dev/mapper/VolGroup-lv_root on / type ext4 (rw)

proc on /proc type proc (rw)

sysfs on /sys type sysfs (rw)

devpts on /dev/pts type devpts (rw,gid=5,mode=620)

tmpfs on /dev/shm type tmpfs (rw)

/dev/sda1 on /boot type ext4 (rw)

/dev/mapper/VolGroup-lv_home on /home type ext4 (rw)

/dev/mapper/VolGroup-lv_var on /var type ext4 (rw)

none on /proc/sys/fs/binfmt_misc type binfmt_misc (rw)

sunrpc on /var/lib/nfs/rpc_pipefs type rpc_pipefs (rw)

203.116.18.239:/opt/storage-escape on /opt/storage-scms type nfs (rw,addr=203.116.18.239)

203.116.18.239:/opt/storage-escape on /opt/stor