[root@beryl ~]# fdisk -l [root@beryl ~]# 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.
The number of cylinders for this disk is set to 2610.
There is nothing wrong with that, but this is larger than 1024,
and could in certain setups cause problems with:
1) software that runs at boot time (e.g., old versions of LILO)
2) booting and partitioning software from other OSs
(e.g., DOS FDISK, OS/2 FDISK)
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 (1-2610, default 1):
Using default value 1
Last cylinder or size or sizeM or sizeK (1-2610, default 2610): 5G
Command (m for help): p
Disk /dev/sdb: 21.4 GB, 21474836480 bytes
255 heads, 63 sectors/track, 2610 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sdb1 1 609 4891761 83 Linux
Command (m for help): n
Command action
e extended
p primary partition (1-4)
e
Partition number (1-4): 2
First cylinder (610-2610, default 610):
Using default value 610
Last cylinder or size or sizeM or sizeK (610-2610, default 2610):
Using default value 2610
Command (m for help): p
Disk /dev/sdb: 21.4 GB, 21474836480 bytes
255 heads, 63 sectors/track, 2610 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sdb1 1 609 4891761 83 Linux
/dev/sdb2 610 2610 16073032 5 Extended
Command (m for help): n
Command action
l logical (5 or over)
p primary partition (1-4)
l
First cylinder (610-2610, default 610):
Using default value 610
Last cylinder or size or sizeM or sizeK (610-2610, default 2610):
Using default value 2610
Command (m for help): p
Disk /dev/sdb: 21.4 GB, 21474836480 bytes
255 heads, 63 sectors/track, 2610 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sdb1 1 609 4891761 83 Linux
/dev/sdb2 610 2610 16073032 5 Extended
/dev/sdb5 610 2610 16073001 83 Linux
Command (m for help): w The partition table has been altered!
Calling ioctl() to re-read partition table.
Syncing disks.
[root@beryl ~]# partprobe /dev/sdb [root@beryl ~]# mkfs -t ext3 /dev/sdb5 //格式化为ext3 m
