Setting Up RAID 10 or 1+0 (Nested) in Linux – Part 6

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Babin Lonston

I'm Working as a System Administrator for last 10 year's with 4 years experience with Linux Distributions, fall in love with text based operating systems.

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14 Responses

  1. SeifEddine BelHadjAli says:

    Hey there, thanks for your this article, but I need to know how to see “raid10_files.txt” existing on the 4 partition ( I need to see them ) OR I need to verify with a demonstration how Raid already works !

    Thank you for replying me .

  2. Eugene Poole says:

    This article gave me many insights, but I was left with a potential problem I’m trying to resolve which is the protection of the OS install. Based on what I read the OS is running on /dev/sda on a single disk.

    If you loose that disk everything you have here is gone. From experience I know you can do RAID-1 during install. Can you do RAID-10 during install? It must be a graphic install to use LVM.

    I’ve a box with 6 drives (4 – 1TB and 2 – 2TB), can this be done? I know you can install and run with /boot on RAID-1 but will it work on RAID-10?

  3. Tobias says:

    Hi Babin.
    Excellent article.

    In a subtitle you said: Pros and Cons of RAID 5
    Is it not Pros and Cons of RAID 10?

  4. Anonymous says:

    Error under my server setup:

    Operating System : CentOS 6.5 Final
    IP Address :
    Hostname :
    Disk 1 [20GB] : /dev/sdd
    Disk 2 [20GB] : /dev/sdc
    Disk 3 [20GB] : /dev/sdd
    Disk 4 [20GB] : /dev/sde

    Disk 1 should be /dev/sdb, I would think.

  5. Leedor says:


    Thanks for putting together..

    I think you have a “bug” in one of your screenshots?
    …Graphic just under “My Server Setup”

    Operating System : CentOS 6.5 Final
    IP Address :
    Hostname :
    Disk 1 [20GB] : /dev/sdd
    Disk 2 [20GB] : /dev/sdc
    Disk 3 [20GB] : /dev/sdd
    Disk 4 [20GB] : /dev/sde

    Disk 1 [20GB] : /dev/sdd

    Shouldn’t it be:
    Disk 1 [20GB] : /dev/sdb

  6. Jonathan says:

    I would like to know if we need to do something to shutdown the server gracefully?
    Or we can juste do shutdown/reboot.
    Great post tks, will come back againt

  7. Rajapandi says:

    Hi Babin,

    Your work is awesome, its very useful for me.

    I have successfully configured Raid 10 but i dont how its work in real time.

    My point is “real time example for Raid 10” can you help me?

  8. Radek says:

    is it possible to create RAID10 array on Debian based system durring installation by method 2?
    I have created two RAID1 arrays but at that point I dont know how to get them to RAID0.

  9. Nick says:

    why all use raid 1+0 instead 0+1 ?

  10. Camille says:


    I test you method 2 (RAID1 + RAID0) on an Ubuntu Server and I loose my RAID0 when I reboot the server.
    Have you got any ideas ?

    Best regards

    • To scan and assemble this will bring back your raid

      # mdadm –assemble –scan

      Then save the configuration, If in next reboot it won’t disappear..

      # mdadm –detail –scan >> /etc/mdadm/mdadm.conf

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