How to configure RAID 5 in linux

How to configure raid 5

First we have to create three  partition with fd ( raid) filesystem.

# Please use below command

Note: Above Screenshot, We came  to know that we have new hard disk /dev/sdb. We have to create our raid partition in this hard disk.

Note: As per Screenshot, we have to create three partitions like above screenshot. 

Note: As per above screenshot, we can see that we have three raid partition. Now we have configure raid.

       

    Note:  As per above screenshot , we created the raid 5 with three partition.  

    Details : C  -  create  ,  l  -  level of raid ,  --raid-device – total number of hard disk use for raid              array

  Now to check the raid status, we have to run below command.

   Now we have to get UUID of raid device with below command

  

Thereafter we have to write this entry in the file /etc/mdadm.conf with below command.

 Note: After write above entries in /etc/mdadm.conf. our raid device will active during reboot.

 Now we have to format our raid device with below command.

Now we have to create a mount point for use of raid device and mount our raid device on this mount point.  Use below commands.

Note: For permanent mount raid device on this mount point. We have to write the entries in /etc/fstab file.

Note: As per above screenshot, we have to write entries in this file. 

Now Reboot the system. Thereafter we can check our raid mount point and raid status with below commands.

<<<<<<<<<<<<<   Raid 5 has been configured properly >>>>>>>>>>>>>>>>>>>>>>>