1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 | [root@hdd4 ~] # fdisk /dev/vdb anaconda-ks.cfg .bash_profile .pki/ .bash_history .bashrc .tcshrc .bash_logout .cshrc .viminfo [root@hdd4 ~] # fdisk /dev/vdb #下面操作把硬盘所有容量设置为一个分区 Welcome to fdisk (util-linux 2.23.2). Changes will remain in memory only, until you decide to write them. Be careful before using the write command . Device does not contain a recognized partition table Building a new DOS disklabel with disk identifier 0xc19c6a55. Command (m for help): n Partition type : p primary (0 primary, 0 extended, 4 free ) e extended Select (default p): p Partition number (1-4, default 1): First sector (2048-629145599, default 2048): Using default value 2048 Last sector, +sectors or +size{K,M,G} (2048-629145599, default 629145599): Using default value 629145599 Partition 1 of type Linux and of size 300 GiB is set Command (m for help): w The partition table has been altered! Calling ioctl() to re- read partition table. Syncing disks. [root@hdd4 ~] # mkfs -t ext4 /dev/vdb1 #格式化/vdb1分区 mke2fs 1.42.9 (28-Dec-2013) Filesystem label= OS type : Linux Block size=4096 (log=2) Fragment size=4096 (log=2) Stride=0 blocks, Stripe width=0 blocks 19660800 inodes, 78642944 blocks 3932147 blocks (5.00%) reserved for the super user First data block=0 Maximum filesystem blocks=2227175424 2400 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, 7962624, 11239424, 20480000, 23887872, 71663616 Allocating group tables: done Writing inode tables: done Creating journal (32768 blocks): done Writing superblocks and filesystem accounting information: done [root@hdd4 ~] # mkdir /data [root@hdd4 ~] # mount /dev/vdb1 /data [root@hdd4 ~] # chown -R /data chown : missing operand after ‘ /data ’ Try 'chown --help' for more information. [root@hdd4 ~] # chown -R hadoop:hadoop /data [root@hdd4 ~] # [root@hdd4 ~] # [root@hdd4 ~] # blkid /dev/ Display all 152 possibilities? (y or n) [root@hdd4 ~] # blkid /dev/vdb1 /dev/vdb1 : UUID= "b112cf72-a0a4-45cc-88be-afdc24a1e635" TYPE= "ext4" [root@hdd4 ~] # cat /etc/fstab # # /etc/fstab # Created by anaconda on Tue Dec 20 14:35:53 2016 # # Accessible filesystems, by reference, are maintained under '/dev/disk' # See man pages fstab(5), findfs(8), mount(8) and/or blkid(8) for more info # /dev/mapper/centos-root / xfs defaults 0 0 UUID=82b43f00-0de4-4571-b093-654128268c31 /boot xfs defaults 0 0 /dev/mapper/centos-swap swap swap defaults 0 0 UUID=b112cf72-a0a4-45cc-88be-afdc24a1e635 " TYPE=" ext4 /data ext4 defaults 0 0 [root@hdd4 ~] # [root@hdd4 ~] # df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/centos-root 18G 3.2G 15G 18% / devtmpfs 16G 0 16G 0% /dev tmpfs 16G 0 16G 0% /dev/shm tmpfs 16G 89M 16G 1% /run tmpfs 16G 0 16G 0% /sys/fs/cgroup /dev/vda1 497M 108M 390M 22% /boot tmpfs 3.2G 0 3.2G 0% /run/user/1000 tmpfs 3.2G 0 3.2G 0% /run/user/0 /dev/vdb1 296G 65M 281G 1% /data |