Device Boot Start End Blocks Id System
/dev/sda1 * 1 26 204800 83 Linux
Partition 1 does not end on cylinder boundary.
/dev/sda2 26 28072 225280000 83 Linux
/dev/sda3 28072 32152 32768000 82 Linux swap / Solaris
/dev/sda4 32152 39163 56318976 5 Extended
/dev/sda5 32152 33427 10240000 83 Linux
/dev/sda6 33427 34702 10240000 83 Linux
/dev/sda7 34702 35976 10240000 83 Linux
/dev/sda8 35977 39163 25594880 83 Linux
[root@CORPSE2010:WEIHU]# fdisk /dev/sdb
Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel
Building a new DOS disklabel with disk identifier 0x810d5e15.
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)
WARNING: DOS-compatible mode is deprecated. It‘s strongly recommended to
switch off the mode (command ‘c‘) and change display units to
sectors (command ‘u‘).
Command (m for help): m
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) 1
Invalid partition number for type `1‘
Command action
e extended
p primary partition (1-4) p
Partition number (1-4): 1
First cylinder (1-30720, default 1):
Using default value 1
Last cylinder, +cylinders or +size{K,M,G} (1-30720, default 30720):
Using default value 30720
