FAQ
Hi all,

I'm happy to announce a new tutorial!

https://alteeve.com/w/2-Node_Red_Hat_KVM_Cluster_Tutorial

This tutorial walks a user through the entire process of building a
2-Node cluster for making KVM virtual machines highly available. It uses
Red Hat Cluster services v3 and DRBD 8.3.12. It is written such that you
can use entirely free or fully Red Hat supported environments.

Highlights;
* Full network and power redundancy; no single-points of failure.
* All off-the-shelf hardware; Storage via DRBD.
* Starts with base OS install, no clustering experience required.
* All software components explained.
* Includes all testing steps covered.
* Configuration is used in production environments!

This tutorial is totally free (no ads, no registration) and released
under the Creative Common 3.0 Share-Alike Non-Commercial license.
Feedback is always appreciated!

--
Digimer
E-Mail: digimer at alteeve.com
Freenode handle: digimer
Papers and Projects: http://alteeve.com
Node Assassin: http://nodeassassin.org
"omg my singularity battery is dead again.
stupid hawking radiation." - epitron

Search Discussions

  • Tom Bishop at Jan 3, 2012 at 9:43 am
    This is sweet, I am in need for doing something for a SMB and nothing is
    out there that is affordable for small busineesses, will look into this.
    On Tue, Jan 3, 2012 at 8:29 AM, Digimer wrote:

    Hi all,

    I'm happy to announce a new tutorial!

    https://alteeve.com/w/2-Node_Red_Hat_KVM_Cluster_Tutorial

    This tutorial walks a user through the entire process of building a
    2-Node cluster for making KVM virtual machines highly available. It uses
    Red Hat Cluster services v3 and DRBD 8.3.12. It is written such that you
    can use entirely free or fully Red Hat supported environments.

    Highlights;
    * Full network and power redundancy; no single-points of failure.
    * All off-the-shelf hardware; Storage via DRBD.
    * Starts with base OS install, no clustering experience required.
    * All software components explained.
    * Includes all testing steps covered.
    * Configuration is used in production environments!

    This tutorial is totally free (no ads, no registration) and released
    under the Creative Common 3.0 Share-Alike Non-Commercial license.
    Feedback is always appreciated!

    --
    Digimer
    E-Mail: digimer at alteeve.com
    Freenode handle: digimer
    Papers and Projects: http://alteeve.com
    Node Assassin: http://nodeassassin.org
    "omg my singularity battery is dead again.
    stupid hawking radiation." - epitron
    _______________________________________________
    CentOS-virt mailing list
    CentOS-virt at centos.org
    http://lists.centos.org/mailman/listinfo/centos-virt
    -------------- next part --------------
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  • Digimer at Jan 3, 2012 at 9:54 am

    On 01/03/2012 09:43 AM, Tom Bishop wrote:
    This is sweet, I am in need for doing something for a SMB and nothing is
    out there that is affordable for small busineesses, will look into this.
    Feel free to ask if you have any questions. :)

    --
    Digimer
    E-Mail: digimer at alteeve.com
    Freenode handle: digimer
    Papers and Projects: http://alteeve.com
    Node Assassin: http://nodeassassin.org
    "omg my singularity battery is dead again.
    stupid hawking radiation." - epitron
  • Karanbir Singh at Jan 4, 2012 at 11:08 am
    hi,
    On 01/03/2012 02:54 PM, Digimer wrote:
    On 01/03/2012 09:43 AM, Tom Bishop wrote:
    This is sweet, I am in need for doing something for a SMB and nothing is
    out there that is affordable for small busineesses, will look into this.
    Feel free to ask if you have any questions. :)
    Just wondering if you really want to retain the 'stick with 6.0
    endorsement'

    - KB


    --
    Karanbir Singh
    +44-207-0999389 | http://www.karan.org/ | twitter.com/kbsingh
    ICQ: 2522219 | Yahoo IM: z00dax | Gtalk: z00dax
    GnuPG Key : http://www.karan.org/publickey.asc
  • Digimer at Jan 4, 2012 at 11:18 am

    On 01/04/2012 11:08 AM, Karanbir Singh wrote:
    hi,
    On 01/03/2012 02:54 PM, Digimer wrote:
    On 01/03/2012 09:43 AM, Tom Bishop wrote:
    This is sweet, I am in need for doing something for a SMB and nothing is
    out there that is affordable for small busineesses, will look into this.
    Feel free to ask if you have any questions. :)
    Just wondering if you really want to retain the 'stick with 6.0
    endorsement'

    - KB
    Doh! I meant to remove that with 6.2's release... Fixed. Thank you for
    catching that! :)

    --
    Digimer
    E-Mail: digimer at alteeve.com
    Freenode handle: digimer
    Papers and Projects: http://alteeve.com
    Node Assassin: http://nodeassassin.org
    "omg my singularity battery is dead again.
    stupid hawking radiation." - epitron
  • Karanbir Singh at Jan 4, 2012 at 11:21 am

    On 01/04/2012 04:18 PM, Digimer wrote:
    Just wondering if you really want to retain the 'stick with 6.0
    endorsement'
    Doh! I meant to remove that with 6.2's release... Fixed. Thank you for
    catching that! :)
    no worries, thanks for putting this together.

    --
    Karanbir Singh
    +44-207-0999389 | http://www.karan.org/ | twitter.com/kbsingh
    ICQ: 2522219 | Yahoo IM: z00dax | Gtalk: z00dax
    GnuPG Key : http://www.karan.org/publickey.asc
  • Digimer at Jan 4, 2012 at 11:25 am

    On 01/04/2012 11:21 AM, Karanbir Singh wrote:
    On 01/04/2012 04:18 PM, Digimer wrote:
    Just wondering if you really want to retain the 'stick with 6.0
    endorsement'
    Doh! I meant to remove that with 6.2's release... Fixed. Thank you for
    catching that! :)
    no worries, thanks for putting this together.
    Thanks in turn for your work on CentOS. I would like to say that I have
    a good number of production clusters running CentOS, so I can
    confidently say that it is an excellent platform for this setup. :)

    --
    Digimer
    E-Mail: digimer at alteeve.com
    Freenode handle: digimer
    Papers and Projects: http://alteeve.com
    Node Assassin: http://nodeassassin.org
    "omg my singularity battery is dead again.
    stupid hawking radiation." - epitron
  • Clint Redwood at Jan 3, 2012 at 10:20 am
    ?

    Thanks! This is great - I've been planning and am?half-way though creating such a cluster, but I've been using?Fedora15/16 as?Centos6 wasn't out when I started.?Any idea if?this will work with?Fedora as a host OS, or does it have to be RHEL/Centos?
    ?
    -----Original message-----
    To: CentOS mailing list <centos@centos.org>; CentOS virtualization <centos-virt@centos.org>;
    From: Digimer <linux@alteeve.com>
    Sent: Tue 03-01-2012 14:29
    Subject: [CentOS-virt] New Tutorial - RHCS + DRBD + KVM; 2-Node HA on EL6
    Hi all,

    ?I'm happy to announce a new tutorial!

    https://alteeve.com/w/2-Node_Red_Hat_KVM_Cluster_Tutorial

    ?This tutorial walks a user through the entire process of building a
    2-Node cluster for making KVM virtual machines highly available. It uses
    Red Hat Cluster services v3 and DRBD 8.3.12. It is written such that you
    can use entirely free or fully Red Hat supported environments.

    Highlights;
    * Full network and power redundancy; no single-points of failure.
    * All off-the-shelf hardware; Storage via DRBD.
    * Starts with base OS install, no clustering experience required.
    * All software components explained.
    * Includes all testing steps covered.
    * Configuration is used in production environments!

    ?This tutorial is totally free (no ads, no registration) and released
    under the Creative Common 3.0 Share-Alike Non-Commercial license.
    Feedback is always appreciated!

    --
    Digimer
    E-Mail: ? ? ? ? ? ? ?digimer at alteeve.com
    Freenode handle: ? ? digimer
    Papers and Projects: http://alteeve.com
    Node Assassin: ? ? ? http://nodeassassin.org
    "omg my singularity battery is dead again.
    stupid hawking radiation." - epitron
    _______________________________________________
    CentOS-virt mailing list
    CentOS-virt at centos.org
    http://lists.centos.org/mailman/listinfo/centos-virt
    -------------- next part --------------
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  • Digimer at Jan 3, 2012 at 10:24 am

    On 01/03/2012 10:20 AM, Clint Redwood wrote:

    Thanks! This is great - I've been planning and am half-way though
    creating such a cluster, but I've been using Fedora15/16 as Centos6
    wasn't out when I started. Any idea if this will work with Fedora as a
    host OS, or does it have to be RHEL/Centos?
    It should work, more or less, as-is on Fedora. Do note though that
    things are changing rapidly and that Fedora is already at the end of the
    3.1 version, about to go 3.2, where EL6 is (and will remain) on 3.0.

    Also, I can not recommend ever using Fedora in production as a server.
    The support cycle is far too short and the testing not nearly as
    extensive as EL6 proper. I've tested several times on Fedora, and
    inevitably run into gotchas.

    So in short; I *strongly* recommend using an EL6 distro.

    Cheers!

    --
    Digimer
    E-Mail: digimer at alteeve.com
    Freenode handle: digimer
    Papers and Projects: http://alteeve.com
    Node Assassin: http://nodeassassin.org
    "omg my singularity battery is dead again.
    stupid hawking radiation." - epitron
  • Fernando Martinez at Jan 4, 2012 at 4:06 pm

    El 03/01/2012 11:29 a.m., Digimer escribi?:
    I'm happy to announce a new tutorial!

    https://alteeve.com/w/2-Node_Red_Hat_KVM_Cluster_Tutorial
    Thanks for this excellent tutorial! It's a great job.
    I will test soon.

    Fernando M.
  • Digimer at Jan 4, 2012 at 4:14 pm

    On 01/04/2012 04:06 PM, Fernando Martinez wrote:
    El 03/01/2012 11:29 a.m., Digimer escribi?:
    Thanks for this excellent tutorial! It's a great job.
    I will test soon.

    Fernando M.
    Please let me know how it works out. :)

    --
    Digimer
    E-Mail: digimer at alteeve.com
    Freenode handle: digimer
    Papers and Projects: http://alteeve.com
    Node Assassin: http://nodeassassin.org
    "omg my singularity battery is dead again.
    stupid hawking radiation." - epitron
  • Fernando Ariel Martinez at Jun 19, 2012 at 10:57 am

    El 04/01/2012 06:14 p.m., Digimer escribi?:
    On 01/04/2012 04:06 PM, Fernando Martinez wrote:
    El 03/01/2012 11:29 a.m., Digimer escribi?:
    Thanks for this excellent tutorial! It's a great job.
    I will test soon.

    Fernando M.
    Please let me know how it works out. :)

    -- Digimer
    Finally, I found the time to do the test.
    I tried with 2 servers.
    node 1: IBM System x3650 M3, 4 Intel Xeon E5620, 16, 16 GB RAM, 3 disks
    300GB each (RAID 5)
    node 2: IBM System x3650 M3, 2 Intel Xeon E5620, 4 GB RAM, 2 disks 600GB
    each (RAID 1)
    and...

    It works!
    It's an excellent tutorial!
    Thank you for sharing this great job!

    Best regards.

    --
    Fernando M.
  • Digimer at Jun 19, 2012 at 10:59 am

    On 06/19/2012 10:57 AM, Fernando Ariel Martinez wrote:
    El 04/01/2012 06:14 p.m., Digimer escribi?:
    On 01/04/2012 04:06 PM, Fernando Martinez wrote:
    El 03/01/2012 11:29 a.m., Digimer escribi?:
    Thanks for this excellent tutorial! It's a great job.
    I will test soon.

    Fernando M.
    Please let me know how it works out. :)

    -- Digimer
    Finally, I found the time to do the test.
    I tried with 2 servers.
    node 1: IBM System x3650 M3, 4 Intel Xeon E5620, 16, 16 GB RAM, 3 disks
    300GB each (RAID 5)
    node 2: IBM System x3650 M3, 2 Intel Xeon E5620, 4 GB RAM, 2 disks 600GB
    each (RAID 1)
    and...

    It works!
    It's an excellent tutorial!
    Thank you for sharing this great job!

    Best regards.
    Woohoo! I love hearing good feedback like this. :D

    --
    Digimer
    Papers and Projects: https://alteeve.com
  • Christopher Meng at Jan 4, 2012 at 6:57 pm
    great doc?i will try
    On 1/3/12, Digimer wrote:
    Hi all,

    I'm happy to announce a new tutorial!

    https://alteeve.com/w/2-Node_Red_Hat_KVM_Cluster_Tutorial

    This tutorial walks a user through the entire process of building a
    2-Node cluster for making KVM virtual machines highly available. It uses
    Red Hat Cluster services v3 and DRBD 8.3.12. It is written such that you
    can use entirely free or fully Red Hat supported environments.

    Highlights;
    * Full network and power redundancy; no single-points of failure.
    * All off-the-shelf hardware; Storage via DRBD.
    * Starts with base OS install, no clustering experience required.
    * All software components explained.
    * Includes all testing steps covered.
    * Configuration is used in production environments!

    This tutorial is totally free (no ads, no registration) and released
    under the Creative Common 3.0 Share-Alike Non-Commercial license.
    Feedback is always appreciated!

    --
    Digimer
    E-Mail: digimer at alteeve.com
    Freenode handle: digimer
    Papers and Projects: http://alteeve.com
    Node Assassin: http://nodeassassin.org
    "omg my singularity battery is dead again.
    stupid hawking radiation." - epitron
    _______________________________________________
    CentOS-virt mailing list
    CentOS-virt at centos.org
    http://lists.centos.org/mailman/listinfo/centos-virt

    --


    Best Regards,
    Christopher Meng------'Cicku'

    My personal blog is http://cicku.me,hope you can visit and say something
    about it.
    More Contact info see here:http://about.me/cicku

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