The sky is the limit.

[root]# fdisk /dev/hdb

Command (m for help): m     (Enter the letter "m" to get list of commands)

Command action

   a   toggle a bootable flag

   b   edit bsd disklabel

   c   toggle the dos compatibility flag

   d   delete a partition

   l   list known partition types

   m   print this menu

   n   add a new partition

   o   create a new empty DOS partition table

   p   print the partition table

   q   quit without saving changes

   s   create a new empty Sun disklabel

   t   change a partition's system id

   u   change display/entry units

   v   verify the partition table

   w   write table to disk and exit

   x   extra functionality (experts only)


Command (m for help): n

Command action

   e   extended

   p   primary partition (1-4)

e

Partition number (1-4): 1

First cylinder (1-2654, default 1):

Using default value 1

Last cylinder or +size or +sizeM or +sizeK (1-2654, default 2654):

Using default value 2654


Command (m for help): p


Disk /dev/hdb: 240 heads, 63 sectors, 2654 cylinders

Units = cylinders of 15120 * 512 bytes


   Device Boot    Start       End    Blocks   Id  System

/dev/hdb1             1      2654  20064208+   5  Extended


Command (m for help): w    (Write and save partition table)


[root]# mkfs -t ext3 /dev/hdb1

mke2fs 1.27 (8-Mar-2002)

Filesystem label=

OS type: Linux

Block size=4096 (log=2)

Fragment size=4096 (log=2)

2508352 inodes, 5016052 blocks

250802 blocks (5.00%) reserved for the super user

First data block=0

154 block groups

32768 blocks per group, 32768 fragments per group

16288 inodes per group

Superblock backups stored on blocks:

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

        4096000


Writing inode tables: done

Creating journal (8192 blocks): done

Writing superblocks and filesystem accounting information: done


This filesystem will be automatically checked every 34 mounts or

180 days, whichever comes first.  Use tune2fs -c or -i to override.

[root]# mkdir /opt2

[root]# mount -t ext3 /dev/hdb1 /opt2











출처 : http://www.yolinux.com/TUTORIALS/LinuxTutorialAdditionalHardDrive.html