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I spend a lot of time finding which cluster engine is best in my case(see requirements). Do you have any comments? Requirement is simple: 1. Linux only 2. is free ...
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  1. #1
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    Question Cluster solution under linux


    I spend a lot of time finding which cluster engine is best in my case(see requirements). Do you have any comments?
    Requirement is simple:
    1. Linux only
    2. is free but has paid support

    Thank you.

  2. #2
    Linux Guru Rubberman's Avatar
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    Quote Originally Posted by nikolayku View Post
    I spend a lot of time finding which cluster engine is best in my case(see requirements). Do you have any comments?
    Requirement is simple:
    1. Linux only
    2. is free but has paid support

    Thank you.
    Red Hat Enterprise Linux 6.x
    Sometimes, real fast is almost as good as real time.
    Just remember, Semper Gumbi - always be flexible!

  3. #3
    vcc
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    CoroSync works very well as the Cluster Engine
    In June of this year, I finished the R&D of a High-Availability storage system (For the sake of not incorrectly using the term "Cluster", which is actually three (3) or more servers. I built my HA system with two (2) servers after almost a year, which included selection and testing to find the most reliable solution.
    I also started with a limited experience of Linux, as well as High-Availability storage systems.
    Linux Distro: Ubuntu Server 11.10 (because I wanted Free as can be and 12.x was just coming out.)
    HA/Cluster Layer: Pacemaker & CoroSync
    Mirroring of disk block devices: DRBD (I'm using 8.3, due to availability in Ubuntu 11.10, and it is working very well)
    A Java based management solution is also available.

    These systems are used as NFS storage for a two head VMWare vSphere 5 infrastructure.

    I recommend reading Linbit's Tech Guides and participating in the related forums and mailing lists.
    When I setup my current systems, the tech guide on NFS storage:
    linbit dot com > Support & Training > DRBD Support > Downloads > Tech Guides > highly-available-nfs-with-drbd-and-pacemaker
    Was very helpful, but there were or are some important factors missing. That is where the mailing list came in handy.
    I have since experienced a fail-over event, due to a power outage where one of the breakers tripped, it happened to the one the primary storage server is on. The fail-over was successful and bring the primary up as secondary also worked like a charm.

    Let me know if you need any more info.
    I'll leave you with this, "Fencing, fencing, fencing", I can't stress that enough.

  4. #4
    Linux Guru Lakshmipathi's Avatar
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    are you looking for distributed file system kind of solution ? If so ,check out Glusterfs (now part of Redhat), Ceph (very promising) and Moosefs. (Heard its good one).All the above are free/open source and has paid support/contract.
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