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Can you override AIX installation file space requirements? - IBM DB2

When DB2 installs on AIX 4.3 it wants file space under /usr/opt. It create a directory: db2_08_01. For several reasons we can't provide enough space on the /usr file system to actually store DB2 within the file system. We've got plenty of disk attached to the server, but the root disk is maxed out. So we created a logical volume on a different volume group, gave it plenty of space, and made the mount point /usr/opt/db2_08_01. DB2 install isn't happy. Install process must check the actual space of /usr and complains that there's not enough - which there isn't. But ...

  1. #1

    Default Can you override AIX installation file space requirements?

    When DB2 installs on AIX 4.3 it wants file space under /usr/opt. It
    create a directory: db2_08_01.

    For several reasons we can't provide enough space on the /usr file
    system to actually store DB2 within the file system. We've got plenty
    of disk attached to the server, but the root disk is maxed out. So we
    created a logical volume on a different volume group, gave it plenty
    of space, and made the mount point /usr/opt/db2_08_01.

    DB2 install isn't happy. Install process must check the actual space
    of /usr and complains that there's not enough - which there isn't.
    But plenty of space on /usr/opt/db2_08_01.

    Is there a way to "convince" the install process to go forward or
    ignore the check?

    Thanks,
    Fred Prose
    Arizona Supreme Court

    fprose(nospam)supreme.sp.state.az.us
    Fred Prose Guest

  2. #2

    Default Re: Can you override AIX installation file space requirements?

    Fred Prose wrote:
    > When DB2 installs on AIX 4.3 it wants file space under /usr/opt. It
    > create a directory: db2_08_01.
    >
    > For several reasons we can't provide enough space on the /usr file
    > system to actually store DB2 within the file system. We've got plenty
    > of disk attached to the server, but the root disk is maxed out. So we
    > created a logical volume on a different volume group, gave it plenty
    > of space, and made the mount point /usr/opt/db2_08_01.
    >
    > DB2 install isn't happy. Install process must check the actual space
    > of /usr and complains that there's not enough - which there isn't.
    > But plenty of space on /usr/opt/db2_08_01.
    I presume you're using db2_install rather than db2setup?
    > Is there a way to "convince" the install process to go forward or
    > ignore the check?
    First option: use db2setup instead. Second option: use smit/installp
    directly. Third option: copy the CD to your disk (which you may
    already have done) and modify db2/aix/db2_install to stop checking your
    disk.

    Note that this is fixed in the next version of DB2. It will check
    /usr/opt/db2_08_01 properly.

    Also note that db2setup is the vastly preferred way to install DB2.
    You only need X running if you want to use it graphically - you can
    also use a response file install which can go and create users,
    instances, etc., for you, although the GUI is much easier to use.
    Darin McBride Guest

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