df¶
查看各文件系统磁盘空间¶
[alvin@alvin ~]$ df
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/vda1 41151808 3132916 35905460 9% /
devtmpfs 498576 0 498576 0% /dev
tmpfs 508080 0 508080 0% /dev/shm
tmpfs 508080 648 507432 1% /run
tmpfs 508080 0 508080 0% /sys/fs/cgroup
tmpfs 101620 0 101620 0% /run/user/0
[alvin@alvin ~]$
以便读的方式查看容量¶
-h参数 –human-readable 这里对容量的计算方式是1MB=1024KB
[alvin@alvin ~]$ df -h
Filesystem Size Used Avail Use% Mounted on
/dev/vda1 40G 3.0G 35G 9% /
devtmpfs 487M 0 487M 0% /dev
tmpfs 497M 0 497M 0% /dev/shm
tmpfs 497M 648K 496M 1% /run
tmpfs 497M 0 497M 0% /sys/fs/cgroup
tmpfs 100M 0 100M 0% /run/user/0
以1MB=1000KB的方式查看磁盘¶
[alvin@alvin ~]$ df -H
Filesystem Size Used Avail Use% Mounted on
/dev/vda1 43G 3.3G 37G 9% /
devtmpfs 511M 0 511M 0% /dev
tmpfs 521M 0 521M 0% /dev/shm
tmpfs 521M 664k 520M 1% /run
tmpfs 521M 0 521M 0% /sys/fs/cgroup
tmpfs 105M 0 105M 0% /run/user/0
以MB为单位显示¶
[alvin@alvin ~]$ df -M
df: invalid option -- 'M'
Try 'df --help' for more information.
[alvin@alvin ~]$ df -m
Filesystem 1M-blocks Used Available Use% Mounted on
/dev/vda1 40188 3060 35064 9% /
devtmpfs 487 0 487 0% /dev
tmpfs 497 0 497 0% /dev/shm
tmpfs 497 1 496 1% /run
tmpfs 497 0 497 0% /sys/fs/cgroup
tmpfs 100 0 100 0% /run/user/0
强制以1g为单位显示¶
[root@saltstack ~]# df -B 1g
Filesystem 1G-blocks Used Available Use% Mounted on
/dev/mapper/vg_root-lv_root 19 11 8 58% /
devtmpfs 2 0 2 0% /dev
tmpfs 2 1 2 3% /dev/shm
tmpfs 2 1 2 1% /run
tmpfs 2 0 2 0% /sys/fs/cgroup
/dev/sda1 1 1 1 26% /boot
tmpfs 1 0 1 0% /run/user/10001
overlay 19 11 8 58% /var/lib/docker/overlay2/bcef486bd7760628a375d7b047ad14d039d75e5076c9af1145241387166616c1/merged
shm 1 0 1 0% /var/lib/docker/containers/3cd109d54535691371dc92269114eb7d133a5a602e26e4b482f34db44e5c0d92/mounts/shm
dc.alv.pub:/ldapUserData/alvin 983 598 344 64% /sophiroth/alvin
查看各文件系统inode使用情况¶
[alvin@alvin ~]$ df -hi
Filesystem Inodes IUsed IFree IUse% Mounted on
/dev/vda1 2.5M 83K 2.5M 4% /
devtmpfs 122K 334 122K 1% /dev
tmpfs 125K 1 125K 1% /dev/shm
tmpfs 125K 469 124K 1% /run
tmpfs 125K 16 125K 1% /sys/fs/cgroup
tmpfs 125K 1 125K 1% /run/user/0