linux分区 格式化硬盘,linux 格式化硬盘(删除所有分区)

删除/dev/sdf的所有分区

mkfs.ext4 /dev/sdf

[root@node61 /home/deploy]# lsblk

NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT

...

sdf 8:80 0 20G 0 disk

├─sdf1 8:81 0 15G 0 part

└─sdf2 8:82 0 5G 0 part

[root@node61 /home/deploy]# mkfs.ext4 /dev/sdf

mke2fs 1.42.9 (28-Dec-2013)

/dev/sdf is entire device, not just one partition!

无论如何也要继续? (y,n) y

文件系统标签=

OS type: Linux

块大小=4096 (log=2)

分块大小=4096 (log=2)

Stride=0 blocks, Stripe width=0 blocks

1310720 inodes, 5242880 blocks

262144 blocks (5.00%) reserved for the super user

第一个数据块=0

Maximum filesystem blocks=2153775104

160 block groups

32768 blocks per group, 32768 fragments per group

8192 inodes per group

Superblock backups stored on blocks:

32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208,

4096000

Allocating group tables: 完成

正在写入inode表: 完成

Creating journal (32768 blocks): 完成

Writing superblocks and filesystem accounting information: 完成

[root@node61 /home/deploy]# lsblk

NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT

sda 8:0 0 20G 0 disk

├─sda1 8:1 0 1G 0 part /boot

└─sda2 8:2 0 19G 0 part

├─centos-root 253:0 0 17G 0 lvm /

└─centos-swap 253:1 0 2G 0 lvm [SWAP]

sdb 8:16 0 15G 0 disk

├─sdb1 8:17 0 10G 0 part /var/lib/ceph/osd/ceph-0

└─sdb2 8:18 0 5G 0 part

sdc 8:32 0 15G 0 disk

├─sdc1 8:33 0 10G 0 part /var/lib/ceph/osd/ceph-1

└─sdc2 8:34 0 5G 0 part

sdd 8:48 0 10G 0 disk

└─sdd1 8:49 0 5G 0 part

sde 8:64 0 20G 0 disk

├─sde1 8:65 0 15G 0 part

└─sde2 8:66 0 5G 0 part

sdf 8:80 0 20G 0 disk