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  • 1.  permanent "no()" kernel settings

    Posted Fri August 11, 2006 12:23 PM

    Originally posted by: Robert_Willcox


    When I set kernel params - tcp_sendspace (recvspace) with the -p option the settings don't seem (at a client site) to survive a reboot. I've verified the /etc/tunables/nextboot file is updated. And I'm using the -p option to make it permanent.

    no -p -o tcp_sendspace=65536

    It's AIX 5.23

    no -p -o tcp_recvspace=65536
    Setting tcp_recvspace to 65536
    Setting tcp_recvspace to 65536 in nextboot file
    Change to tunable tcp_recvspace, will only be effective for future connections

    Has anyone had different (correct) behaviour. It could be that something in our failover or reboot logic is setting it back to the default - but I wanted to pose to the group for comments.

    thanks.
    #AIX-Forum


  • 2.  Re: permanent "no()" kernel settings

    Posted Mon August 14, 2006 06:30 AM

    Originally posted by: MarkTaylor


    $ lsitab -a | grep tunables
    tunables:23456789:wait:/usr/sbin/tunrestore -R > /dev/console 2>&1 # Set tunables

    Whack a set -xv at the top of that script (tunrestore) and redirect the output to a file and reboot .. paste the output along with oslevel -s

    Rgds
    Mark Taylor
    #AIX-Forum


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