TL Migration Corruption

Posted on 2011-10-12
Last Modified: 2013-11-17

I have migrated my server from AIX 5.3 to AIX 6.1. After migration I was not able to login using putty. I have logged into the server from console and looks like some routes were missing.

Does TL migration delete routes, What happens exactly in the TL migration ..I only know that during the migration only the installed filesets are migrated to 6.1 and that too only filesystem that is affected is /usr

Question by:mnis2008
    LVL 20

    Expert Comment

    When you say you are not able to login with putty, are you getting a connection and login prompt or not?

    putty uses ssh for which the config information resides in /etc/ssh. If you no longer have that directory after the AIX upgrade, you will have to put it back from a backup.

    If you do a ps -ef | grep ssh, or lssrc -g ssh , does it show that ssh is running?

    Author Comment

    Yes for some reason my ssh was off I have used startsrc to start and it worked ..
    But does the migration change any routes, or does it touch the ODM .
    LVL 20

    Accepted Solution

    The migration should not change routes if the lan cards work at the new version. If a system is old, a new release of AIX sometimes necessitates upgrading firmware on the cards as well. The upgrade can make changes in the ODM, but these are typically only to conform to any changes required at the new release.
    LVL 5

    Assisted Solution


    If the routes were not added permanently, then they were removed during the  reboot of TL upgrade.
    Other than that, TL upgrade wont delete the routes.

    Author Comment

    So how are the routes added permamently, Like how do I check if a route is permanent or temporary..

    LVL 20

    Expert Comment

    To make a route permanent you can add the the command to the /etc/ file
         route add -net -netmask

    or use smit as root
    -> Communications applications and Services
    -> TCIP/IP
    -> Further Configuration
    -> Static Routes
    -> Add a Static Route
    And type in the new static route settings.


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