To list disks
[root@ol7-121-server1 ~]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 22G 0 disk
├─sda1 8:1 0 1G 0 part /boot
└─sda2 8:2 0 21G 0 part
├─ol-root 249:0 0 18.8G 0 lvm /
└─ol-swap 249:1 0 5.2G 0 lvm [SWAP]
sdb 8:16 0 3G 0 disk
└─sdb1 8:17 0 3G 0 part
└─ol-swap 249:1 0 5.2G 0 lvm [SWAP]
sdc 8:32 0 1G 0 disk
└─sdc1 8:33 0 1023M 0 part
sdd 8:48 0 1G 0 disk
└─sdd1 8:49 0 1023M 0 part
sde 8:64 0 1G 0 disk
└─sde1 8:65 0 1023M 0 part
sdf 8:80 0 18G 0 disk
sr0 11:0 1 1024M 0 rom
[root@ol7-121-server1 ~]# fdisk /dev/sdf
Welcome to fdisk (util-linux 2.23.2).
Changes will remain in memory only, until you decide to write them.
Be careful before using the write command.
Device does not contain a recognized partition table
Building a new DOS disklabel with disk identifier 0x88357eed.
Command (m for help): n
Partition type:
p primary (0 primary, 0 extended, 4 free)
e extended
Select (default p): p
Partition number (1-4, default 1):
First sector (2048-37748735, default 2048):
Using default value 2048
Last sector, +sectors or +size{K,M,G} (2048-37748735, default 37748735):
Using default value 37748735
Partition 1 of type Linux and of size 18 GiB is set
Command (m for help): p
Disk /dev/sdf: 19.3 GB, 19327352832 bytes, 37748736 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk label type: dos
Disk identifier: 0x88357eed
Device Boot Start End Blocks Id System
/dev/sdf1 2048 37748735 18873344 83 Linux
Command (m for help): w
The partition table has been altered!
Calling ioctl() to re-read partition table.
Syncing disks.
[root@ol7-121-server1 ~]#
[root@ol7-121-server1 ~]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 22G 0 disk
├─sda1 8:1 0 1G 0 part /boot
└─sda2 8:2 0 21G 0 part
├─ol-root 249:0 0 18.8G 0 lvm /
└─ol-swap 249:1 0 5.2G 0 lvm [SWAP]
sdb 8:16 0 3G 0 disk
└─sdb1 8:17 0 3G 0 part
└─ol-swap 249:1 0 5.2G 0 lvm [SWAP]
sdc 8:32 0 1G 0 disk
└─sdc1 8:33 0 1023M 0 part
sdd 8:48 0 1G 0 disk
└─sdd1 8:49 0 1023M 0 part
sde 8:64 0 1G 0 disk
└─sde1 8:65 0 1023M 0 part
sdf 8:80 0 18G 0 disk
└─sdf1 8:81 0 18G 0 part
sr0 11:0 1 1024M 0 rom
[root@ol7-121-server1 ~]# mkfs -t ext4 -L u01 /dev/sdf1
mke2fs 1.42.9 (28-Dec-2013)
Filesystem label=u01
OS type: Linux
Block size=4096 (log=2)
Fragment size=4096 (log=2)
Stride=0 blocks, Stripe width=0 blocks
1179648 inodes, 4718336 blocks
235916 blocks (5.00%) reserved for the super user
First data block=0
Maximum filesystem blocks=2153775104
144 block groups
32768 blocks per group, 32768 fragments per group
8192 inodes per group
Superblock backups stored on blocks:
32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208,
4096000
Allocating group tables: done
Writing inode tables: done
Creating journal (32768 blocks): done
Writing superblocks and filesystem accounting information: done
To check the kind of a file system
[root@ol7-121-server1 ~]# blkid /dev/sdf1
/dev/sdf1: LABEL="u01" UUID="37242b1c-9420-411a-8d88-46f7c7e02022" TYPE="ext4"
[root@ol7-121-server1 /]# mkdir /u01
[root@ol7-121-server1 /]# chown oracle:oinstall /u01
[root@ol7-121-server1 /]# mount /dev/sdf1 /u01
[root@ol7-121-server1 /]# df -h /u01
Filesystem Size Used Avail Use% Mounted on
/dev/sdf1 18G 45M 17G 1% /u01
[root@ol7-121-server1 /]# umount /u01
