RAID 1 consists of an exact copy of a set of data on two or more disks; a classic RAID 1 mirrored pair contains two disks.
How to setup RAID 1 on LINUX
This article contains steps which give you the glance about “How to setup RAID 1 on your Linux server”. Things you will need:
- More than one hard disk installed on your system.
- Basic knowledge of Linux filesystem in case you come across any errors.
So here is the step by step guide to setup RAID 1 on your system/server:
- First, check the hard disks attached to the system using the command fdisk –l.
Here is what the output should look like.
- Create a RAID 1 partition: Type mdadm –create /dev/md1 –level=1 –raid-devices=2 /dev/sdg /dev/sdh.
NOTE: replace “sdg” and “sdh” with the names of the hard disk on your server that you want to add in RAID.
- Create an ext4 filesystem for the RAID 1 partition: mke2fs –t -ext4 -j /dev/md1.
- Make directory for RAID1 partition: mkdir /raid1.
- Mount the RAID1 partition on the directory: mount /dev/md1 /raid1.
- Edit the fstab file: vi /etc/fstab.
This is what the file should look like.
- Find an empty line and type ##RAID## and hit enter.
- Make a new entry: Type /dev/md1 /raid1 ext4 defaults 1 2.NOTE: Type it the way shown in the highlighted section of the image below.
- Save changes to file and exit by typing: :wq
- Mount the contents of the fstab file: Make sure you have exited the fstab file and you are back at the terminal then type: mount –a.
- To see the RAID partition that you have just created type: df –h
That’s all you need to setup RAID 1 on your server. Thanks for sticking with us through the article, hope this article helped. Stay tuned for more on codehotfix.com.