Linux下查看磁盘和分区挂载的信息（lsblk,blkid,fdisk,df）

[root@sre01 ~]# lsblk
NAME            MAJ:MIN RM  SIZE RO TYPE MOUNTPOINT
sda               8:0    0   40G  0 disk 
├─sda1            8:1    0  256M  0 part /boot
└─sda2            8:2    0 39.8G  0 part 
  ├─centos-root 253:0    0 35.8G  0 lvm  /
  └─centos-swap 253:1    0    4G  0 lvm  [SWAP]
sdb               8:16   0    1G  0 disk 
└─sdb1            8:17   0   20M  0 part /newdisk
sdc               8:32   0    1G  0 disk 
└─sdc1            8:33   0 19.1M  0 part 
sdd               8:48   0    1G  0 disk 
sr0              11:0    1 1024M  0 rom  



[root@sre01 ~]# blkid
/dev/sda1: UUID="2acac7b1-3630-4646-be2f-8a445bfd0d51" TYPE="xfs" 
/dev/sda2: UUID="z7mOPw-4UyJ-Iwem-Lgwl-h84z-O3dH-BtnpY2" TYPE="LVM2_member" 
/dev/sdb1: UUID="fdbdf323-6d09-415c-9e7b-1e8f22d95e1e" TYPE="xfs" 
/dev/sdc1: UUID="c180ac2c-6f09-49a8-ad98-77625c33d9af" TYPE="ext4" PARTLABEL="primary" PARTUUID="636c0462-b827-4912-b8c5-a5a72d33eb64" 
/dev/mapper/centos-root: UUID="6538d0b8-a582-4b04-9ee8-3ef2aa77515f" TYPE="xfs" 
/dev/mapper/centos-swap: UUID="82447bb2-e4e3-44d3-8520-6fa5118af120" TYPE="swap" 



[root@sre01 ~]# fdisk -l

Disk /dev/sda: 42.9 GB, 42949672960 bytes, 83886080 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: 0x0008d0c5

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *        2048      526335      262144   83  Linux
/dev/sda2          526336    83886079    41679872   8e  Linux LVM

Disk /dev/sdb: 1073 MB, 1073741824 bytes, 2097152 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: 0xfa9f1343

   Device Boot      Start         End      Blocks   Id  System
/dev/sdb1            2048       43007       20480   83  Linux
WARNING: fdisk GPT support is currently new, and therefore in an experimental phase. Use at your own discretion.

Disk /dev/sdc: 1073 MB, 1073741824 bytes, 2097152 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: gpt
Disk identifier: 6B6C9A45-B85E-4736-AC39-426509866C9B


#         Start          End    Size  Type            Name
 1           34        39062   19.1M  Microsoft basic primary

Disk /dev/sdd: 1073 MB, 1073741824 bytes, 2097152 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/centos-root: 38.4 GB, 38382075904 bytes, 74964992 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/centos-swap: 4294 MB, 4294967296 bytes, 8388608 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


[root@sre01 ~]# df -hT
Filesystem              Type      Size  Used Avail Use% Mounted on
devtmpfs                devtmpfs  475M     0  475M   0% /dev
tmpfs                   tmpfs     487M     0  487M   0% /dev/shm
tmpfs                   tmpfs     487M  7.7M  479M   2% /run
tmpfs                   tmpfs     487M     0  487M   0% /sys/fs/cgroup
/dev/mapper/centos-root xfs        36G  3.6G   33G  11% /
/dev/sdb1               xfs        17M  1.1M   16M   7% /newdisk
/dev/sda1               xfs       253M  149M  105M  59% /boot
tmpfs                   tmpfs      98M     0   98M   0% /run/user/0