[HPADM] Oracle 9i RAC with MC/SG - possibility to run on single node

From: Rasheed Tamton (Rasheedt.c_at_stc.com.sa)
Date: 03/13/04

  • Next message: Arunvijai: "[HPADM] Unnecessary Files in /tmp 11.22 IPF"
    Date: Sat, 13 Mar 2004 11:11:00 +0300
    To: <hpux-admin@dutchworks.nl>
    
    

    Hi Admins,

    We have a rp7400 (N4000) box with HP-UX 11.00, MC/SG 11.13 and Oracle 9i
    (9.0.1.2.0) RAC on a two node cluster environment. We have a big problem
    on getting enough downtime for sysadm activities. Right now we are on a
    process of migrating the storage to EMC and need to install two HBAs.
    The system has many raw devices for database (around 150 LVs) and the
    migration will be a headache plus the downtime constraints.

    We are considering a plan as to whether or not we can run the system on
    a single node and
    power off
    install the HBAs and drivers and
    bring back the node and switch the database to the other node
    and do the same activities on the other node.

    Can anyone please advise me what are the correct steps to do these
    activites. Our dba is not that experienced with Oracle RAC so that I am
    also a bit restless to do the said tasks. I would like to know how we
    can stop the Oracle RAC cluster and run it on a single node before I do
    anything on MC/SG side.

    Thank you
    Rasheed

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