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6 Test Design of HA
Yuan Bai edited this page 2018-08-29 14:09:11 +08:00
Table of Contents

The Design of HA automated test

Pre-requirements:

  1. xcatmn1 is xcat MN and HA control node
  2. xcatha1 and xcatha2 are 2 HA MN nodes
  3. xcatcn is compute node managed by xcatha1 and xcatha2, it is used to test provision

Test cases:

test case file and other useful files(cfgha_mn and hosts file) are kept under /opt/xcat/share/xcat/tools/autotest/testcase/HA

Test case1: setup_2_new_HA_MN

Test case2: configure_exist_xCAT_MN_to_HA_MN

Test case1:setup_2_new_HA_MN

  1. download xcatha.py, copy xcatha.py and cfgha_mn into /install/postscripts
  2. backup xcatha1 and xcatha2 node definition
  3. backup osimage definition rhels7.4-ppc64le-install-compute
  4. create /opt/xcat/share/xcat/tools/autotest/testcase/HA/hosts, contains:
    • 2 HA nodes physical IP
    • VIP and hostname
    • control node
  5. customize diskful osimage rhels7.4-ppc64le-install-compute, add /opt/xcat/share/xcat/tools/autotest/testcase/HA/hosts in synclists
  6. Modify xcatha1 and xcatha2 postbootscripts, configure physical ip as static IP using confignetwork -s, add cfgha_mn in postbootscripts
chdef <xcatha> -p postbootscripts="confignetwork -s,cfgha_mn -l <nfs_server>:<shared_data_dir> -i <vip> -x s"
  1. provison xcatha1 as standby HA MN node
  2. provision xcatha2 as standby HA MN node
  3. activate xcatha1 as primary HA MN
  4. import diskless osimage from xcatmn1
  5. define xcatcn in xcatha1
  6. provision diskless xcatcn in xcatha1
  7. deactivate xcatha1 as standby HA MN
  8. activate xcatha2 as primary HA MN
  9. provision diskless xcatcn in xcatha2
  10. restore environment

Test case2:configure_exist_xCAT_MN_to_HA_MN

  1. download xcatha.py, copy xcatha.py and cfgha_mn into /install/postscripts
  2. backup xcatha1 and xcatha2 node definition
  3. backup osimage definition rhels7.4-ppc64le-install-compute
  4. create /opt/xcat/share/xcat/tools/autotest/testcase/HA/hosts, contains: 2 HA nodes physical IP, VIP and hostname, control node
  5. customize diskful osimage rhels7.4-ppc64le-install-compute, add /opt/xcat/share/xcat/tools/autotest/testcase/HA/hosts in synclists
  6. Modify xcatha1 and xcatha2 postbootscripts, configure physical ip as static IP using confignetwork -s
  7. provision diskfull xcatha1 and xcatha2
  8. install xCAT in xcatha1 and xcatha2
  9. configure xcatha1 and xcatha2 as standby HA MN nodes
updatenode <xcatha> -p postbootscripts="cfgha_mn -l <nfs_server>:<shared_data_dir> -i <vip> -x s"
  1. activate xcatha1 as primary HA MN
  2. import diskless osimage from xcatmn1 in xcatha1
  3. define xcatcn in xcatha1
  4. provision diskless xcatcn in xcatha1
  5. deactivate xcatha1 as standby HA MN
  6. activate xcatha2 as primary HA MN
  7. provision diskless xcatcn in xcatha2
  8. restore environment

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.