/dev/sr0 3.7G 3.7G 0 100% /media/CentOS_6.8_Final no space left on device磁盘空间不足处理

原创

君子志邦 2022-05-17 15:14:42 博主文章分类：面试技巧 ©著作权

文章标签 centos 3g sed 文章分类 开源

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查看所有空间文件所占的空间大小

[root@Hadoop modules]# du -sh /*

7.3M /bin

64M /boot

304K /dev

40M /etc

88K /home

325M /lib

43M /lib64

16K /lost+found

4.0K /media

8.0K /mnt

3.4G /opt

du: cannot access `/proc/3185/task/3185/fd/4': No such file or directory

du: cannot access `/proc/3185/task/3185/fdinfo/4': No such file or directory

du: cannot access `/proc/3185/fd/4': No such file or directory

du: cannot access `/proc/3185/fdinfo/4': No such file or directory

0 /proc

344M /root

16M /sbin

0 /selinux

4.0K /srv

0 /sys

424M /tmp

rm: cannot remove `CentOS_6.8_Final/Packages/sat4j-2.2.0-4.0.el6.noarch.rpm': Read-only file system

rm: cannot remove `CentOS_6.8_Final/Packages/un-core-batang-fonts-1.0.2-0.15.080608.el6.noarch.rpm': Read-only file system
rm: cannot remove `CentOS_6.8_Final/Packages/un-core-fonts-common-1.0.2-0.15.080608.el6.noarch.rpm': Read-only file system

rm: cannot remove `CentOS_6.8_Final/TRANS.TBL': Read-only file system
rm: cannot remove `CentOS_6.8_Final/.discinfo': Read-only file system
rm: cannot remove `CentOS_6.8_Final/.treeinfo': Read-only file system
[root@CentOSB media]# ll
total 4
dr-xr-xr-x. 7 root root 4096 May 23  2016 CentOS_6.8_Final
[root@CentOSB media]# du -sh * | sort -nr 
3.7G  CentOS_6.8_Final
[root@CentOSB media]# du -sh * | sort -nr 
3.7G  CentOS_6.8_Final
[root@CentOSB media]#  df -i
Filesystem           Inodes  IUsed  IFree IUse% Mounted on
/dev/mapper/VolGroup-lv_root
                     558624 264038 294586   48% /
tmpfs                126430      4 126426    1% /dev/shm
/dev/sda1            128016     44 127972    1% /boot
/dev/sr0                  0      0      0     - /media/CentOS_6.8_Final
[root@CentOSB media]#  df -h
Filesystem            Size  Used Avail Use% Mounted on
/dev/mapper/VolGroup-lv_root
                      8.3G  8.3G     0 100% /
tmpfs                 494M   76K  494M   1% /dev/shm
/dev/sda1             477M   66M  386M  15% /boot
/dev/sr0              3.7G  3.7G     0 100% /media/CentOS_6.8_Final
[root@CentOSB media]# umount /media/CentOS_6.8_Final/
[root@CentOSB media]#  df -h
Filesystem            Size  Used Avail Use% Mounted on
/dev/mapper/VolGroup-lv_root
                      8.3G  8.3G     0 100% /
tmpfs                 494M   76K  494M   1% /dev/shm
/dev/sda1             477M   66M  386M  15% /boot
[root@CentOSB media]#  df -i
Filesystem           Inodes  IUsed  IFree IUse% Mounted on
/dev/mapper/VolGroup-lv_root
                     558624 264038 294586   48% /
tmpfs                126430      4 126426    1% /dev/shm
/dev/sda1            128016     44 127972    1% /boot
[root@CentOSB media]# cd  ..
[root@CentOSB /]# cd /
[root@CentOSB /]#  df -h
Filesystem            Size  Used Avail Use% Mounted on
/dev/mapper/VolGroup-lv_root
                      8.3G  8.3G     0 100% /
tmpfs                 494M   76K  494M   1% /dev/shm
/dev/sda1             477M   66M  386M  15% /boot
[root@CentOSB /]#  df -i
Filesystem           Inodes  IUsed  IFree IUse% Mounted on
/dev/mapper/VolGroup-lv_root
                     558624 264038 294586   48% /
tmpfs                126430      4 126426    1% /dev/shm
/dev/sda1            128016     44 127972    1% /boot
[root@CentOSB /]# free
             total       used       free     shared    buffers     cached
Mem:       1011440     945132      66308       2796      78252     529972
-/+ buffers/cache:     336908     674532
Swap:      1048572          0    1048572
[root@CentOSB /]#  df -h
Filesystem            Size  Used Avail Use% Mounted on
/dev/mapper/VolGroup-lv_root
                      8.3G  8.3G     0 100% /
tmpfs                 494M   76K  494M   1% /dev/shm
/dev/sda1             477M   66M  386M  15% /boot
[root@CentOSB /]#  df -i
Filesystem           Inodes  IUsed  IFree IUse% Mounted on
/dev/mapper/VolGroup-lv_root
                     558624 264038 294586   48% /
tmpfs                126430      4 126426    1% /dev/shm
/dev/sda1            128016     44 127972    1% /boot
[root@CentOSB /]#  df -i
Filesystem           Inodes  IUsed  IFree IUse% Mounted on
/dev/mapper/VolGroup-lv_root
                     558624 264038 294586   48% /
tmpfs                126430      4 126426    1% /dev/shm
/dev/sda1            128016     44 127972    1% /boot
[root@CentOSB /]#  df -h
Filesystem            Size  Used Avail Use% Mounted on
/dev/mapper/VolGroup-lv_root
                      8.3G  8.3G     0 100% /
tmpfs                 494M   76K  494M   1% /dev/shm
/dev/sda1             477M   66M  386M  15% /boot
[root@CentOSB /]# cd
[root@CentOSB ~]#  df -h
Filesystem            Size  Used Avail Use% Mounted on
/dev/mapper/VolGroup-lv_root
                      8.3G  8.3G     0 100% /
tmpfs                 494M   76K  494M   1% /dev/shm
/dev/sda1             477M   66M  386M  15% /boot
[root@CentOSB ~]# umount  /
umount: /: device is busy.
        (In some cases useful info about processes that use
         the device is found by lsof(8) or fuser(1))
[root@CentOSB ~]#  df -h
Filesystem            Size  Used Avail Use% Mounted on
/dev/mapper/VolGroup-lv_root
                      8.3G  8.3G     0 100% /
tmpfs                 494M   76K  494M   1% /dev/shm
/dev/sda1             477M   66M  386M  15% /boot
[root@CentOSB ~]# umount  /dev/mapper/VolGroup-lv_root
umount: /: device is busy.
        (In some cases useful info about processes that use
         the device is found by lsof(8) or fuser(1))
[root@CentOSB ~]# ls
anaconda-ks.cfg  Desktop  Documents  Downloads  install.log  install.log.syslog  Music  Pictures  Public  Templates  Videos  zookeeper.out
[root@CentOSB ~]# pwd
/root
 
[root@CentOSB ~]#  df -h
Filesystem            Size  Used Avail Use% Mounted on
/dev/mapper/VolGroup-lv_root
                      8.3G  8.3G     0 100% /
tmpfs                 494M   76K  494M   1% /dev/shm
/dev/sda1             477M   66M  386M  15% /boot
[root@CentOSB ~]# mount /media/CentOS_6.8_Final/
mount: can't find /media/CentOS_6.8_Final/ in /etc/fstab or /etc/mtab
[root@CentOSB ~]# du -sh /*
7.7M  /bin
64M /boot
308K  /dev
40M /etc
4.0K  /home
331M  /lib
30M /lib64
16K /lost+found
4.0K  /media
0 /misc
4.0K  /mnt
0 /net
^A3.7G  /opt
du: cannot access `/proc/5755/task/5755/fd/4': No such file or directory
du: cannot access `/proc/5755/task/5755/fdinfo/4': No such file or directory
du: cannot access `/proc/5755/fd/4': No such file or directory
du: cannot access `/proc/5755/fdinfo/4': No such file or directory
0 /proc
27M /root
17M /sbin
0 /selinux
4.0K  /srv
0 /sys
240K  /tmp