查看磁盘信息

查看分区-》查看总文件占有-》最高文件夹中文件占有

1、分区信息
[root@bogon /]# fdisk  -ls

Disk /dev/sda: 300.0 GB, 300000000000 bytes, 585937500 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk label type: dos
Disk identifier: 0x000d58d3

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *        2048     2099199     1048576   83  Linux
/dev/sda2         2099200   585936895   291918848   8e  Linux LVM

Disk /dev/sdb: 300.0 GB, 300000000000 bytes, 585937500 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk label type: dos
Disk identifier: 0x35199c3a

   Device Boot      Start         End      Blocks   Id  System
/dev/sdb1            2048   585934847   292966400    7  HPFS/NTFS/exFAT

Disk /dev/mapper/cl-root: 53.7 GB, 53687091200 bytes, 104857600 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes


Disk /dev/mapper/cl-swap: 8455 MB, 8455716864 bytes, 16515072 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes


Disk /dev/mapper/cl-home: 236.8 GB, 236776849408 bytes, 462454784 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes


 #    查看本机的物理卷信息，以及刚才创建的物理卷。
[root@bogon ~]# pvdisplay  
  --- Physical volume ---
  PV Name               /dev/sda2
  VG Name               cl
  PV Size               <278.40 GiB / not usable 0   
  Allocatable           yes 
  PE Size               4.00 MiB
  Total PE              71269
  Free PE               25452
  Allocated PE          45817
  PV UUID               BePgUD-nyuR-5cLC-HqBr-xNIr-Pdse-wygGSX
  #    确认卷组信息VG - Name、VG - size
[root@bogon ~]# vgdisplay 
  --- Volume group ---
  VG Name               cl
  System ID             
  Format                lvm2
  Metadata Areas        1
  Metadata Sequence No  7
  VG Access             read/write
  VG Status             resizable
  MAX LV                0
  Cur LV                3
  Open LV               3
  Max PV                0
  Cur PV                1
  Act PV                1
  VG Size               278.39 GiB
  PE Size               4.00 MiB
  Total PE              71269
  Alloc PE / Size       45817 / 178.97 GiB
  Free  PE / Size       25452 / 99.42 GiB
  VG UUID               iKwIXi-hBWf-esFP-0lvH-tyyX-RM07-wyVK2w

2、磁盘文件占有
 df -lh
[root@bogon data]# df -lh
Filesystem           Size  Used Avail Use% Mounted on
/dev/mapper/cl-root   50G   25G   26G  50% /
devtmpfs             7.8G     0  7.8G   0% /dev
tmpfs                7.8G     0  7.8G   0% /dev/shm
tmpfs                7.8G  9.0M  7.8G   1% /run
tmpfs                7.8G     0  7.8G   0% /sys/fs/cgroup
/dev/sda1           1014M  224M  791M  23% /boot
/dev/mapper/cl-home  221G   16G  205G   8% /home
tmpfs                1.6G     0  1.6G   0% /run/user/0

3、磁盘文件夹内文件占有
        du -ah --max-depth=1 
[root@bogon data]# du -ah --max-depth=1 
3.4G ./db
3.4G .