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    Upgrading from single-node 5.1 single node Linux to 5.3 multi-node W2k8R2. Install guide says to use a cluster file system like Veritas, but Veritas doesn't support Windows. How have folks designed their Windows multi-node installations -- specific recommendations for clustering/sharing the index? Thanks
    Monday, May 16, 2011 6:39 PM

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    Hi,

    This is mentioned in the ESP 5.3 Deployment Guide in connection with the use of SAN. 

    I would in general not recommend the use of SAN with ESP, it is much more challenging to plan and deploy with a SAN than it is with direct attached storage (DAS).  If you are not using a SAN, there is no reason to use a clustered file system either.

    -Bjorn

     

    • Marked as answer by deejkay Thursday, May 19, 2011 5:32 PM
    Thursday, May 19, 2011 5:17 PM

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    Hi,

    This is mentioned in the ESP 5.3 Deployment Guide in connection with the use of SAN. 

    I would in general not recommend the use of SAN with ESP, it is much more challenging to plan and deploy with a SAN than it is with direct attached storage (DAS).  If you are not using a SAN, there is no reason to use a clustered file system either.

    -Bjorn

     

    • Marked as answer by deejkay Thursday, May 19, 2011 5:32 PM
    Thursday, May 19, 2011 5:17 PM
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    Thanks for your reply. Interesting you recommend against a SAN, since the deployment guide specifically highlights it as being an optimal design, but then gives very little detail. Anyhow, after much time with MSFT support who also recommended against a SAN, we're working on deploying with DAS instead. Thanks again.
    Thursday, May 19, 2011 5:31 PM
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    Yes, there's inconsistency between the Deployment Guide, and the Release Notes that come with the ESP product.  From the Release Notes:

    Please note that the ESP Deployment Guideline provides inaccurate recommendations on using SAN/NAS in ESP deployments. As a general guideline, local attached storage is recommended for most ESP deployments unless you have very specific deployment goals. Vital parts of ESP services are disk/IO bound, and will to a very limited extent take advantage of SAN specific storage sharing or caching.
    Garth Grimm
    Avery Ranch Consulting
    www.averyranchconsulting.com
    Sunday, July 10, 2011 2:53 AM