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问题：
[root@10.10.10.10 /]# df -Th Filesystem Type Size Used Avail Use% Mounted on /dev/mapper ext4 20G 20G 0 100% / tmpfs tmpfs 127G 4.0K 127G 1% /dev/shm /dev/sda1 ext4 474M 100M 351M 23% /boot /dev/mapper/vg ext4 2.6T 109G 2.4T 5% /home [root@10.10.10.10 /]# du -sch * |sort -hr du: cannot access `proc/16812/task/16812/fd/4': No such file or directory du: cannot access `proc/16812/task/16812/fdinfo/4': No such file or directory du: cannot access `proc/16812/fd/4': No such file or directory du: cannot access `proc/16812/fdinfo/4': No such file or directory du: cannot access `sys/class/net/eth7': No such file or directory du: cannot access `sys/class/net/eth8': No such file or directory 73G total 69G home 2.3G usr 659M opt 311M lib 305M var 77M boot 32M etc 23M lib64 22M sbin 13M bin 7.6M root 3.9M dev 472K tmp 180K user 16K lost+found 4.0K srv 4.0K selinux 4.0K mnt 4.0K media 4.0K cgroup 0 sys 0 proc 0 data
解决：
[root@10.10.10.10 /]# lsof |grep delete init 1 root txt REG 253,0 150352 393451 /sbin/init (deleted) rpc.idmap 2836 root txt REG 253,0 33120 393610 /usr/sbin/rpc.idmapd (deleted) dbus-daem 5469 dbus txt REG 253,0 334952 131120 /bin/dbus-daemon (deleted) mcelog 5541 root txt REG 253,0 111440 393556 /usr/sbin/mcelog (deleted) mingetty 6117 root txt REG 253,0 19144 393355 /sbin/mingetty (deleted) mingetty 6119 root txt REG 253,0 19144 393355 /sbin/mingetty (deleted) mingetty 6121 root txt REG 253,0 19144 393355 /sbin/mingetty (deleted) mingetty 6123 root txt REG 253,0 19144 393355 /sbin/mingetty (deleted) mingetty 6126 root txt REG 253,0 19144 393355 /sbin/mingetty (deleted) mingetty 6128 root txt REG 253,0 19144 393355 /sbin/mingetty (deleted) sfcbd 79497 root txt REG 253,0 19680 418820 /usr/sbin/sfcbd (deleted) sfcbd 79498 root txt REG 253,0 19680 418820 /usr/sbin/sfcbd (deleted) sfcbd 79500 root txt REG 253,0 19680 418820 /usr/sbin/sfcbd (deleted) sfcbd 79501 root txt REG 253,0 19680 418820 /usr/sbin/sfcbd (deleted) sfcbd 79533 root txt REG 253,0 19680 418820 /usr/sbin/sfcbd (deleted) sfcbd 79535 root txt REG 253,0 19680 418820 /usr/sbin/sfcbd (deleted) sfcbd 79538 root txt REG 253,0 19680 418820 /usr/sbin/sfcbd (deleted) dsm_om_sh 79982 root 0u CHR 136,0 0t0 3 /dev/pts/0 (deleted) dsm_om_sh 79982 root 1u CHR 136,0 0t0 3 /dev/pts/0 (deleted) dsm_om_sh 79982 root 2u CHR 136,0 0t0 3 /dev/pts/0 (deleted) avahi-dae 90687 avahi txt REG 253,0 119584 420055 /usr/sbin/avahi-daemon (deleted) avahi-dae 90688 avahi txt REG 253,0 119584 420055 /usr/sbin/avahi-daemon (deleted) abrt-dump 97224 root txt REG 253,0 15352 412356 /usr/bin/abrt-dump-oops (deleted) sagent 172489 root 11r REG 253,0 33562 264384 /var/log/secure-20210228 (deleted) sagent 172489 root 21r REG 253,0 33562 264384 /var/log/secure-20210228 (deleted) sagent 172489 root 22r REG 253,0 36105 264330 /var/log/secure-20210307 (deleted) [root@10.10.10.10 /]# kill -9 172489 [root@10.10.10.10 /]# df -Th Filesystem Type Size Used Avail Use% Mounted on /dev/mapper ext4 20G 4.1G 15G 22% / tmpfs tmpfs 127G 4.0K 127G 1% /dev/shm /dev/sda1 ext4 474M 100M 351M 23% /boot /dev/mapper/vg ext4 2.6T 109G 2.4T 5% /home
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