[root@test ~]# ls -lih total 88K 1572874 -rw-------. 1 root root 981 Jul 23 19:25 anaconda-ks.cfg 1572888 drwxr-xr-x. 2 root root 4.0K Jul 25 02:49 duwi 1572887 drwxr-xr-x. 2 root root 4.0K Jul 26 11:40 hh 1572867 -rw-r--r--. 1 root root 6.1K Jul 23 19:23 install.log.syslog 1572882 -rw-r--r--. 1 root root 0 Jul 24 21:59 stu_102999_1_finished.jpg 1572883 -rw-r--r--. 1 root root 0 Jul 24 21:59 stu_102999_2_finished.jpg 1572880 -rw-r--r--. 1 root root 1.2K Jul 24 15:52 test 1572898 -rw-r--r--. 1 root root 19 Jul 26 12:08 txt 1572900 -rw-r--r--. 1 root root 563 Jul 27 01:15 txt.2019-07-27 1572891 drwxr-xr-x. 2 root root 4.0K Jul 25 02:50 woshi 1572892 drwxr-xr-x. 2 root root 4.0K Jul 25 02:50 woshi2 1572893 drwxr-xr-x. 2 root root 4.0K Jul 25 02:50 woshi3
For more information see the stat command file
View Centos versions of each inode size and the size of bolck
#CentOS 7 [root@ag-1 ~]# dumpe2fs /dev/vda1|grep -i "inode size" dumpe2fs 1.42.9 (28-Dec-2013) Inode size: 256 [root@ag-1 ~]# cat /etc/redhat-release CentOS Linux release 7.2.1511 (Core) root@ag-1 ~]# dumpe2fs /dev/vda1|egrep -i "block count|Inode count" dumpe2fs 1.42.9 (28-Dec-2013) Inode count: 2621440 Block count: 10485504 Reserved block count: 524275 #CentOS 6 [root@test ~]# cat /etc/redhat-release CentOS release 6.2 (Final) [root@test ~]# dumpe2fs /dev/sda1|grep -i "inode size" dumpe2fs 1.41.12 (17-May-2010) Inode size: 128 [root@test ~]# dumpe2fs /dev/sda1|egrep --color -i "block count|Inode count" dumpe2fs 1.41.12 (17-May-2010) Inode count: 51200 Block count: 204800 Reserved block count: 10240 [root@test ~]#
查看inode 的数量
[root@ag-1 ~]# df -i Filesystem Inodes IUsed IFree IUse% Mounted on /dev/vda1 2621440 66855 2554585 3% / devtmpfs 483031 332 482699 1% /dev tmpfs 485242 1 485241 1% /dev/shm tmpfs 485242 555 484687 1% /run tmpfs 485242 16 485226 1% /sys/fs/cgroup /dev/vdb1 32768000 8118287 24649713 25% /data tmpfs 485242 1 485241 1% /run/user/0 overlay 32768000 8118287 24649713 25% /data/docker/overlay/63555005525f2d69e4119dbbcc4ac13e3bf15e0b5465daf9c8ca83d23b5d36e3/merged shm 485242 1 485241 1% /data/docker/containers/09cc2b977418991c5b779362563e1a4ba6b8fc29970c490c3f7be178fb0d3e3f/shm overlay 32768000 8118287 24649713 25% /data/docker/overlay/c98abe394191c1164897fca1b2fa72c31e4b53ed2a755f9c19cfdc3a7ba16ad8/merged shm 485242 1 485241 1% /data/docker/containers/aba22dec226f742e7b070a3b8d6c323b844129e6b89e74613e2d73454890223e/shm [root@ag-1 ~]#
查看磁盘的block的使用情况
[root@ag-1 ~]# df -h Filesystem Size Used Avail Use% Mounted on /dev/vda1 40G 18G 20G 48% / devtmpfs 1.9G 0 1.9G 0% /dev tmpfs 1.9G 0 1.9G 0% /dev/shm tmpfs 1.9G 692K 1.9G 1% /run tmpfs 1.9G 0 1.9G 0% /sys/fs/cgroup /dev/vdb1 493G 322G 146G 69% /data tmpfs 380M 0 380M 0% /run/user/0 overlay 493G 322G 146G 69% /data/docker/overlay/63555005525f2d69e4119dbbcc4ac13e3bf15e0b5465daf9c8ca83d23b5d36e3/merged shm 64M 0 64M 0% /data/docker/containers/09cc2b977418991c5b779362563e1a4ba6b8fc29970c490c3f7be178fb0d3e3f/shm overlay 493G 322G 146G 69% /data/docker/overlay/c98abe394191c1164897fca1b2fa72c31e4b53ed2a755f9c19cfdc3a7ba16ad8/merged shm 64M 0 64M 0% /data/docker/containers/aba22dec226f742e7b070a3b8d6c323b844129e6b89e74613e2d73454890223e/shm
设置inode和block的大小的命令
block小结
通过inode来删除文件
创建块设备命令
