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Thread: Oracle Installation planning for future Upgrades

  1. #1
    Join Date
    Oct 2000
    Location
    Dallas:TX:USA
    Posts
    407
    I am going to install Oracle 8.1.5 on a new server. My customers want to be with 8.1.5 for the time being and then upgrade later to 8.1.6 or 8.1.7

    My question is what needs to be considered when I am installing Oracle. Because this is the first installation on that server, it will be a new Oracle_base and new Oracle_home so there won't be any problem. But I am thinking about future upgrades to 8.1.6, 8.1.7 (or 9i) --

    Is there any precation I should use selecting my device paths so that future upgrades don't conflict....for example I can install the "JRE" in the default directory or some other place.

    When I upgrade to 8.1.6 in future, can I use the same oracle_home (oracle\ora81) so that it upgrades the underlying files or I must choose a new Home (like \oracle\ora816) and it will create a new set of diretories (like \oracle\ora816\bin etc.)

    What kind of standards do you follow while selecting directory structures for Oracle while keeping in mind the future upgrades.

    Thanks,

    - Rajeev

  2. #2
    Join Date
    Nov 2000
    Location
    greenwich.ct.us
    Posts
    9,092
    I like to keep the same ORACLE_BASE directory, but put the new software in it's own prod/xxx directory.

    For example, in an 8.1.5 / 8.1.7 mixed environment, I make /u01/orasoft my ORACLE_BASE directory. Then, I install the 8.1.5 software in $ORACLE_BASE/product/815 and the 8.1.7 software in $ORACLE_BASE/product/817.

    Jeff Hunter

  3. #3
    Join Date
    Dec 2000
    Posts
    9
    I think the Oracle Migration Guide recommends installing into a separate ORACLE_HOME, which if OFA-compliant, would use the same ORACLE_BASE. If you want to use the same ORACLE_HOME, I think you have to uninstall the 815 and then install the 816/817/etc.

  4. #4
    Join Date
    Jun 2000
    Posts
    179

    Talking

    I have Installed 8.1.7 Over 8.1.5 in the same Home on Windows 2000 , everything ran very smooth ,, you will need also to run certain upgrade script for every database from the server manager.

    Leave a partition for Oracle software only , make the partition not less than 4 G for Oracle Software Itself , If possible put database on physically separated hard disk.
    Hisham Nagia
    IT Manager For Development
    Oracle Consultant - OCP

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