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15 Full_Automation_of_DB2_Setup_on_Service_Nodes
ligc edited this page 2015-07-30 04:22:49 -04:00
Table of Contents

Table of Contents

Design_Warning

1. Overview

xCAT must provide an automatic install and setup process for bringing up DB2 on the Linux and AIX Service Nodes (SN) during the service node install, so that it is configured to access the DB2 database running on the Management Node when the SN installation is complete.

2. Documentation

The following documentation will be modified to describe this process:

[Setting_Up_DB2_as_the_xCAT_DB]

3. Design

To setup DB2 on the Service Nodes:

1. The DB2 code must be installed from the db2 tarball

2. The perl-DBD-DB2 rpm must be installed from the xCAT deps package. Should be automatic.

3. The Service Node must be setup as a DB2 Client, using the db2sqlsetup script

To do this the following process will be followed:

The DB2 tarball will be extracted into a read/mountable directory on either the Management Node or some server that can be mounted by the Service Node after it is installed. The location will be put in a new site attribute called db2installloc. For example,

site.db2installloc = /mntdb2 , if on the Management Node

site.db2installloc = servername:/mntdb2 , if on some other server

In ether case, the db2 code will be extracted and placed in /mntdb2

The /mntdb2 directory will look something like this, where ese is the directory containing all the db2 install code.

ls /mntdb2

ese

For Linux, the appropriate vaccpp rte rpm tarball must be installed on the SN as it was done on the MN. This can either be done by adding to the image (diskless) or into the otherpkgs setup for the service node install.

http://www-01.ibm.com/support/docview.wss?uid=swg24023990

vacpp.rte.90.rhel5.jun2009.update.tar.gz

Finally, a new db2install postscript is to be written, and must be added to the postscripts table, before the servicenode postscript. Also an odbcsetup postscript can be added to set up the ODBC for DB2 applications accessing DB2 using C or C++ like LoadLeveler. It is not required for xCAT which only uses the Perl interface.

tabdump postscripts

node,postscripts,postbootscripts,comments,disable

"xcatdefaults","syslog,aixremoteshell,syncfiles",,,

"service","db2install,servicenode,odbcsetup",,,

News

History

  • Oct 22, 2010: xCAT 2.5 released.
  • Apr 30, 2010: xCAT 2.4 is released.
  • Oct 31, 2009: xCAT 2.3 released.
    xCAT's 10 year anniversary!
  • Apr 16, 2009: xCAT 2.2 released.
  • Oct 31, 2008: xCAT 2.1 released.
  • Sep 12, 2008: Support for xCAT 2
    can now be purchased!
  • June 9, 2008: xCAT breaths life into
    (at the time) the fastest
    supercomputer on the planet
  • May 30, 2008: xCAT 2.0 for Linux
    officially released!
  • Oct 31, 2007: IBM open sources
    xCAT 2.0 to allow collaboration
    among all of the xCAT users.
  • Oct 31, 1999: xCAT 1.0 is born!
    xCAT started out as a project in
    IBM developed by Egan Ford. It
    was quickly adopted by customers
    and IBM manufacturing sites to
    rapidly deploy clusters.