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author's profile photo Former Member
Former Member

OS DB Migration

Hi All,

we are moving from Linux on IBM Power systems to Suse10 on X86 intel Blade servers and keeping DB same.

will it be homogenous or heterogenous System copy??

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3 Answers

  • author's profile photo Former Member
    Former Member
    Posted on Jul 13, 2011 at 03:23 PM

    Hi,

    As per the definition:

    During a heterogeneous system copy, the operating system or the database system is

    changed. Migration is a synonym for heterogeneous system copy.

    If either OS or DB is changed, its a heterogeneous system copy.

    Regards,

    Srikishan

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    • Former Member

      Hi,

      It depends on whether you change your os from big endian to small endian or not.

      I am not quite sure whether linux power is big endian or not.If it is then it will be a heterogenous system copy since linux x86 is a small endian.

  • author's profile photo Former Member
    Former Member
    Posted on Jul 18, 2011 at 05:39 AM

    Hi,

    Even though you have same DB, you are changing to different operating system. So as per definition, If there is change in os or db its called as heterogeneous system copy.

    Thanks

    Srikanth

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  • author's profile photo Former Member
    Former Member
    Posted on Jul 19, 2011 at 06:44 AM

    Looks like powerpc is big endian so it is definitely a heterogenous system copy since linux x86 is small endian.

    You will need a certified guy as you might be aware you will need to use R3load.

    http://en.wikipedia.org/wiki/Endianness

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