Diskの初期化方法

読み込み

reboot

Diskの確認

fdisk -l

パーティションを分割 (sdb → sdb0, sdb1, ...)

# fdisk /dev/sdb
Command (m for help): n
Command action
e extended
   p   primary partition (1-4)
p
Partition number (1-4): 1
First cylinder (1-13054, default 1):
Using default value 1
Last cylinder, +cylinders or +size{K,M,G} (1-13054, default 13054):
Using default value 13054
Command (m for help): p
Disk /dev/sdb: 107.4 GB, 107374182400 bytes
255 heads, 63 sectors/track, 13054 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x88ac1a04
   Device Boot      Start         End      Blocks   Id  System
/dev/sdb1
1       13054   104856223+  83  Linux
Command (m for help): w
The partition table has been altered!

もし、こんなエラーが出たら？

Calling ioctl() to re-read partition table.
Syncing disks.

rebootかこのコマンド

partprobe

できていることを確認

# fdisk -l
Device Boot      Start         End      Blocks   Id  System
/dev/sdb1               1       13054   104856223+  83  Linux

ext4で初期化

mkfs -t ext4 /dev/sdb1

マウント

cp -p /etc/fstab{,.org}

vi /etc/fstab

このラインを追加

/dev/sdb1               /var/lib/mysql          ext4    defaults,noatime        1 2

mkdir -p /var/lib/mysql

読み込み

mount -a

確認

# df -h
Filesystem      Size  Used Avail Use% Mounted on
/dev/sda3        27G  1.2G   25G   5% /
tmpfs           244M     0  244M   0% /dev/shm
/dev/sda1       488M   26M  437M   6% /boot
/dev/sdb1        99G   60M   94G   1% /var/lib/mysql