Wednesday, November 3, 2010

RAC Preinstallation Check II

  • Refer to previous post to setup ssh connectivity between nodes
  • Create the required user and groups and directories
    • # groupadd -g 1000 oinstall
    • # groupadd -g 1031 dba
    • # useradd -u 1101 -g oinstall -G dba oracle
    • # mkdir -p /u01/app/11.2.0/grid
    • # mkdir -p /u01/app/oracle
    • # chown -R oracle:oinstall /u01
    • # chmod -R 775 /u01/
  • Create the fixup scripts before running the installer to fix up the prerequisite requirements:
    • ./runcluvfy.sh stage -pre crsinst -n node1,node2 -fixup -verbose
  • Setup the following values as root
    • ndd -set /dev/tcp tcp_smallest_anon_port 9000
    •  ndd -set /dev/tcp tcp_largest_anon_port 65500
    •  ndd -set /dev/udp udp_smallest_anon_port 9000
    •  ndd -set /dev/udp udp_largest_anon_port 65500
  • Regarding NTP (network time protocol)service\
    • Solaris NTP enables time synchronization on the network. Solaris NTP uses a software called xntpd. This is a OS daemon which sets and maintains the system time-of-day in synchronism with Internet standard time servers  Detailed :http://www.sun.com/blueprints/0701/NTP.pdf 
    • Verify that the service is up
      • svcs ntp
    • Enable the service
      • svcadm enable ntp

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