Load new hard disks in Linux

[Root @ rhfour ~] #Fdisk-l

Disk/dev/SDA: 5368 MB, 5368709120 bytes

255 heads, 63 sectors/track, 652 Cylinders

Units = cylinders of 16065*512 = 8225280 bytes

 

Device boot start end blocks ID system

/Dev/sda1*1 13 104391 83 Linux

/Dev/sda2 14 459 3582495 83 Linux

/Dev/sda3 460 522 506047 + 82 Linux swap

 

Disk/dev/SDB: 3221 MB, 3221225472 bytes

255 heads, 63 sectors/track, 391 cylinders

Units = cylinders of 16065*512 = 8225280 bytes

 

Disk/dev/SDB doesn' t contain a valid Partition Table

[Root @ rhfour ~] #Fdisk/dev/SDB

Device contains neither a valid DOS partition table, Nor Sun, SGI or OSF disklabel

Building a new dos disklabel. changes will remain in memory only,

Until you decide to write them. After that, of course, the previous

Content won't be recoverable.

 

Warning: Invalid flag 0x0000 of Partition Table 4 will be corrected by W (RITE)

 

Command (M for help ):N

Command action

E extended

P primary partition (1-4)

P

Partition Number (1-4 ):1

First cylinder (1-391, default 1 ):

Using default value 1

Last cylinder or + size or + sizem or + sizek (1-391, default 391 ):

Using default value 391

 

Command (M for help ):W

The partition table has been altered!

 

Calling IOCTL () to re-read partition table.

Syncing disks.

 

 

[Root @ rhfour ~] #Mkfs-T ext3/dev/sdb1

Mke2fs 1.35 (28-feb-2004)

Filesystem label =

OS type: Linux

Block size = 4096 (log = 2)

Fragment size = 4096 (log = 2)

393216 inodes, 785169 Blocks

39258 blocks (5.00%) reserved for the Super User

First data block = 0

Maximum filesystem blocks = 805306368

24 block groups

32768 blocks per group, 32768 fragments per group

16384 inodes per group

Superblock backups stored on blocks:

32768,983 04, 163840,229 376, 294912

 

Writing inode tables: Done

Creating Journal (8192 blocks): Done

Writing superblocks and filesystem accounting information: Done

 

This filesystem will be automatically checked every 27 mounts or

180 days, whichever comes first. Use tune2fs-C or-I to override.

 

[Root @ rhfour ~] #Mkdir/oradata

[Root @ rhfour ~] #Mount-T ext3/dev/sdb1/oradata

 

Boot automatic hard drive: Add the following sentence under/etc/fstab

/Dev/sdb1/oradata ext3 defaults 0 0