Easily create a file system in Linux

Nowadays, almost all families have computers. Do we know how computers work? An operating system is essential to a computer. Linux has also developed rapidly. Here we will introduce the knowledge of Linux, so that you can learn how to use Linux. Today I will talk about how to create a file system in Linux. I hope you will remember how to create a file system in Linux.

Create LV

[Root @ jusdoi oracle] # lvcreate-n u01-L 15G VolGroup01

Create a File System

 
 

  
  
[root@jusdoi ~]# mkfs -t ext3 /dev/VolGroup01/u01 15g  
  
  
mke2fs 1.39 (29-May-2006)  
  
  
Filesystem label=  
  
  
OS type: Linux  
  
  
Block size=4096 (log=2)  
  
  
Fragment size=4096 (log=2)  
  
  
1966080 inodes, 3932160 blocks  
  
  
196608 blocks (5.00%) reserved for the super user  
  
  
First data block=0 
  
  
Maximum filesystem blocks=4026531840 
  
  
120 block groups  
  
  
32768 blocks per group, 32768 fragments per group  
  
  
16384 inodes per group  
  
  
Superblock backups stored on blocks:   
  
  
        32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208  
  
  
Writing inode tables: done                              
  
  
Creating journal (32768 blocks): done  
  
  
Writing superblocks and filesystem accounting information: done  
  
  
This filesystem will be automatically checked every 37 mounts or  
  
  
180 days, whichever comes first.  Use tune2fs -c or -i to override. 
 
 

Create directory

 
 

  
  
[root@jusdoi ~]# mkdir /u01  
  
  
mount  
  
  
[root@jusdoi ~]# mount /dev/VolGroup01/u01 /u01 
 
 

Check that it has been mounted.

 
 

  
  
[root@jusdoi ~]# df -h  
  
  
Filesystem            Size  Used Avail Use% Mounted on  
  
  
/dev/mapper/VolGroup01-LogVol00  
  
  
                       20G  2.3G   17G  13% /  
  
  
/dev/sda1              99M   14M   81M  15% /boot  
  
  
tmpfs                 1.8G     0  1.8G   0% /dev/shm  
  
  
none                  1.8G  104K  1.8G   1% /var/lib/xenstored  
  
  
/dev/hde              3.4G  3.4G     0 100% /mnt  
  
  
/dev/mapper/VolGroup01-u01  
  
  
                       15G  166M   14G   2% /u01 
 
 

Modify/etc/fstab

/Dev/mapper/VolGroup01-u01/u01 ext3 defaults 0 0

I hope the Linux File System creation knowledge described in this article will be helpful to you.

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