Windows 2003 - Majority Node Set Quorum (MNS), is an optional feat

Discussion in 'Clustering' started by SUGAR, Jul 20, 2005.

  1. SUGAR

    SUGAR Guest

    As the title says:
    i read in this internet aricle:
    and they says that Windows 2003 ntroduced a new type of quorum called the
    Majority Node Set Quorum (MNS). Well... in a nutshell with MNS you must have
    at least three nodes in the cluster.
    Im planning to install windows 2003 with 2 nodes and 1 quorum... do I have
    other option than MNS in order to use only 2 nodes instead of 3 at least?

    SUGAR, Jul 20, 2005
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  2. Rodney R. Fournier [MVP], Jul 20, 2005
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  3. SUGAR

    SUGAR Guest

    Thanks that answered my question af all.
    Just need an advice. This is my first time with clustering.
    I think i have the resources for set up a sqlserver2000 with a windows2003
    failover cluster server.
    My question is where can i buy my quorum and what kind of quorum is the most
    commercial / or ease to use/install.
    NOTE: I have a 320UltraSCSI ouput in my server.

    thanks in advance.
    SUGAR, Jul 20, 2005
  4. MNS requires that you maintain a majority. Using only two nodes will not
    allow you to maintain a majority in the event of the failure of a single

    What are you trying to do that you think MNS will be a good solution?

    Russ Kaufmann

    MVP - Windows Server - Clustering - Blog - Cluster Summit
    Russ Kaufmann [MVP], Jul 20, 2005
  5. SUGAR

    SUGAR Guest

    As i said in the top post question, I just want to know id MNS is an
    Optional Component of Win2003 when clustering. I didnt say that I would like
    to use it.
    In the other hand, i want to install the RMS (retail management system, by
    Microsoft) in a 2 node faiorver cluster with 1 quorum.

    Other thing (i think i have to post the follow elsewhere) is if i have to
    install SqlServer2000 in order to approach the failover capabilities of
    hardware/sofware or it can works with MSDE too.

    thanks all.
    SUGAR, Jul 20, 2005
  6. See the Cluster HCL for info.
    Russ Kaufmann [MVP], Jul 20, 2005
  7. It is not an option for only 2 nodes. You must have at least three nodes to
    allow a failure and still maintain a majority.
    If you want to use a server cluster to host SQL, it must have shared disks.

    Russ Kaufmann

    MVP - Windows Server - Clustering - Blog - Cluster Summit
    Russ Kaufmann [MVP], Jul 20, 2005
  8. You will need SQL Server 2000 Enterprise for failover clustering.

    Chuck Timon, Jr.
    Microsoft Corporation
    CCE Beta Engineer
    This posting is provided "AS IS" with no
    warranties, and confers no rights.
    Chuck Timon [MSFT], Jul 21, 2005
  9. hi Sugar!

    There is no way to cluster msde. only sql2000enterprise is clusteraware.
    however with sql2005standard edition a two node cluster will be supported.

    gerald aigenbauer.
    Gerald Aigenbauer, Jul 21, 2005
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