[root@localhost ~]# fdisk /dev/sda3
Command (m for help): m
Generic
d delete a partition
F list free unpartitioned space
l list known partition types
n add a new partition
p print the partition table
t change a partition type
v verify the partition table
i print information about a partition
Misc
m print this menu
x extra functionality (experts only)
Script
I load disk layout from sfdisk script file
O dump disk layout to sfdisk script file
Save & Exit
w write table to disk and exit
q quit without saving changes
Now Let's Create partition
Command (m for help): n
Partition type
p primary (0 primary, 0 extended, 4 free)
e extended (container for logical partitions)
Select (default p):
Using default response p.
Partition number (1-4, default 1):
First sector (2048-2147483647, default 2048):
Last sector, +sectors or +size{K,M,G,T,P} (2048-2147483647, default 2147483647): +1G
Note : If last sector is selected default then all available space will be used.
Created a new partition 1 of type 'Linux' and of size 1 GiB.
Command (m for help): p (to Print)
Disk /dev/sdc: 1 TiB, 1099511627776 bytes, 2147483648 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: dos
Disk identifier: 0xb6158727
Device Boot Start End Sectors Size Id Type
/dev/sdc1 2048 2099199 2097152 1G 83 Linux
Command (m for help): n
Partition type
p primary (1 primary, 0 extended, 3 free)
e extended (container for logical partitions)
Select (default p):
Using default response p.
Partition number (2-4, default 2):
First sector (2099200-2147483647, default 2099200):
Last sector, +sectors or +size{K,M,G,T,P} (2099200-2147483647, default 2147483647): +2G
Created a new partition 2 of type 'Linux' and of size 2 GiB
Command (m for help): n
Partition type
p primary (2 primary, 0 extended, 2 free)
e extended (container for logical partitions)
Select (default p):
Using default response p
Partition number (3,4, default 3): -⇾ Here we are creating 3rd Primary Partition
First sector (6293504-2147483647, default 6293504):
Last sector, +sectors or +size{K,M,G,T,P} (6293504-2147483647, default 2147483647): +3G
Created a new partition 3 of type 'Linux' and of size 3 GiB.
Command (m for help): p
Disk /dev/sdc: 1 TiB, 1099511627776 bytes, 2147483648 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: dos
Disk identifier: 0xb6158727
Device Boot Start End Sectors Size Id Type
/dev/sdc1 2048 2099199 2097152 1G 83 Linux
/dev/sdc2 2099200 6293503 4194304 2G 83 Linux
/dev/sdc3 6293504 12584959 6291456 3G 83 Linux
Command (m for help): n
Partition type
p primary (3 primary, 0 extended, 1 free)
e extended (container for logical partitions)
Select (default e): -⇾ On Fourth time the default partition is extended
Using default response e.
Selected partition 4
First sector (12584960-2147483647, default 12584960):
Last sector, +sectors or +size{K,M,G,T,P} (12584960-2147483647, default 2147483647):
Created a new partition 4 of type 'Extended' and of size 1018 GiB.
Command (m for help): p
Disk /dev/sdc: 1 TiB, 1099511627776 bytes, 2147483648 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: dos
Disk identifier: 0xb6158727
Device Boot Start End Sectors Size Id Type
/dev/sdc1 2048 2099199 2097152 1G 83 Linux
/dev/sdc2 2099200 6293503 4194304 2G 83 Linux
/dev/sdc3 6293504 12584959 6291456 3G 83 Linux
/dev/sdc4 12584960 2147483647 2134898688 1018G 5 Extended
Command (m for help): n
All primary partitions are in use.
Adding logical partition 5
First sector (12587008-2147483647, default 12587008):
Last sector, +sectors or +size{K,M,G,T,P} (12587008-2147483647, default 2147483647): +6G
Created a new partition 5 of type 'Linux' and of size 6 GiB.
Command (m for help): p
Disk /dev/sdc: 1 TiB, 1099511627776 bytes, 2147483648 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: dos
Disk identifier: 0xb6158727
Device Boot Start End Sectors Size Id Type
/dev/sdc1 2048 2099199 2097152 1G 83 Linux
/dev/sdc2 2099200 6293503 4194304 2G 83 Linux
/dev/sdc3 6293504 12584959 6291456 3G 83 Linux
/dev/sdc4 12584960 2147483647 2134898688 1018G 5 Extended
/dev/sdc5 12587008 25169919 12582912 6G 83 Linux
Command (m for help): p
Disk /dev/sdc: 1 TiB, 1099511627776 bytes, 2147483648 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: dos
Disk identifier: 0xb6158727
Device Boot Start End Sectors Size Id Type
/dev/sdc1 2048 2099199 2097152 1G 83 Linux
/dev/sdc2 2099200 6293503 4194304 2G 83 Linux
/dev/sdc3 6293504 12584959 6291456 3G 83 Linux
/dev/sdc4 12584960 2147483647 2134898688 1018G 5 Extended
/dev/sdc5 12587008 25169919 12582912 6G 83 Linux
/dev/sdc6 25171968 44046335 18874368 9G 83 Linux
/dev/sdc7 44048384 69214207 25165824 12G 83 Linux
Command (m for help): m
Help:
DOS (MBR)
a toggle a bootable flag
b edit nested BSD disklabel
c toggle the dos compatibility flag
Generic
d delete a partition
F list free unpartitioned space
l list known partition types
n add a new partition
p print the partition table
t change a partition type
v verify the partition table
i print information about a partition
Misc
m print this menu
u change display/entry units
x extra functionality (experts only)
Script
I load disk layout from sfdisk script file
O dump disk layout to sfdisk script file
Save & Exit
w write table to disk and exit
q quit without saving changes
Command (m for help): w
The partition table has been altered.
Calling ioctl() to re-read partition table.
Syncing disks.
[root@RedHat adminji]# partprobe (to update kernal all disk partision )
[root@RedHat adminji]# partprobe /dev/sdc (To update specific hard disk)
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