查看有没有数据盘
sudo fdisk -l
Disk /dev/vda: 40 GiB, 42949672960 bytes, 83886080 sectors
Device Boot Start End Sectors Size Id Type
/dev/vda1 * 2048 83884031 83881984 40G 83 Linux
Disk /dev/vdb: 200 GiB, 214748364800 bytes, 419430400 sectors
/dev/vdb 200 GiB 恩, 发现有个200GB的硬盘。
分区
运行 sudo fdisk /dev/vdb，在 Command (m for help): 提示后, 键入 n, 以后的步骤直接按 Enter确认。
sudo fdisk /dev/vdb
Welcome to fdisk (util-linux 2.27.1).
Changes will remain in memory only, until you decide to write them.
Be careful before using the write command.
Command (m for help): n
Partition type
p primary (0 primary, 0 extended, 4 free)
e extended (container for logical partitions)
Select (default p): p
Partition number (1-4, default 1):
First sector (2048-419430399, default 2048):
Last sector, +sectors or +size{K,M,G,T,P} (2048-419430399, default 419430399):
Created a new partition 1 of type 'Linux' and of size 200 GiB.
看到类似提示， 输入 w
Command (m for help): w
The partition table has been altered.
Calling ioctl() to re-read partition table.
Syncing disks.
格式化
mkfs.ext4 /dev/vdb1 是格式化为ext4。
如果要格式化成ext3，执行 mkfs.ext3 /dev/vdb1。
mkfs.ext4 /dev/vdb1
mke2fs 1.42.13 (17-May-2015)
Found a dos partition table in /dev/vdb1
Proceed anyway? (y,n) y
Creating filesystem with 52428544 4k blocks and 13107200 inodes
Filesystem UUID: 8a6c75c7-3bea-4d6c-8bcf-8a638db536e0
Superblock backups stored on blocks:
32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208,
4096000, 7962624, 11239424, 20480000, 23887872
Allocating group tables: done
Writing inode tables: done
Creating journal (32768 blocks): done
Writing superblocks and filesystem accounting information: done
分区信息写入 fstab
下次开机启动时可以自动挂载, 不然每次开机都要手动挂载
echo "/dev/vdb1 /mnt ext4 defaults 0 0" >> /etc/fstab
挂载
mount /dev/vdb1 /mnt/vol
查看硬盘情况
df -h
