Update26-27 < IGIRelease

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---+ IGI gLite 3.2 x86_64 Update 26/27(SL5) - 10/06/2011

---++ NOTES (read before start to update)

*VERY IMPORTANT NOTE:* <BR/>
Please be aware that because of the *IMPORTANT NOTE 2* below, the installation/configuration of two or more profiles/node-types on the same machine is no more supported!!! 

*IMPORTANT NOTE 2:* <BR/>
Due to conflicts between new and old versions of various packages the repository ''glite-generic'' should be disabled:
<pree>
# mv /etc/yum.repos.d/glite-generic.repo /etc/yum.repos.d/glite-generic.repo.disabled
# yum clean all
</pre>

*IMPORTANT NOTE 3:* <BR/>
Download the last repo of lcg-CA and remember to cancel the old lcg-ca.repo:

[[http://repo-pd.italiangrid.it/mrepo/repos/egi-trustanchors.repo][egi-trustanchors.repo]]


*MAIN NEWS:* <BR/>

   * SE_dcache_[info,dcache_nameserver_chimera,pool,srm] : <BR/> New version of SE_dcache_* (Priority *HIGH*): <BR/> - This patch addresses the vulnerability [[https://wiki.egi.eu/wiki/SVG:Advisory-SVG-2011-1569][EGI #1569]] <BR/> *Release Notes*: Release Notes for dcache-server 1.9.5-25 can be found [[http://www.dcache.org/downloads/1.9/release-notes-1.9.5-25.html][here]] 

   * ig-yaim: <BR/> - New version containing fix for [[https://ticketing.cnaf.infn.it/checklist-new/modules/xhelp/ticket.php?id=9934][tkt #9934]]

---++ Prerequisites

It means that all the previous updates have to been applied before the last one:

   * [[https://wiki.italiangrid.it/twiki/bin/view/IGIRelease/Update24-25][IGI gLite 3.2 x86_64 Update 24/25(SL5) - 23/03/2011]]

---++ Reference gLite Update

* [[http://glite.cern.ch/R3.2/sl5_x86_64/updates][gLite 3.2 x86_64 Updates]]:
   * gLite 3.2 Update 26 - 06/04/2011
   * gLite 3.2 Update 27 - 07/04/2011

---++ Reference packages

| *Package*                   | *Version* |          
| ig-metapackages       | *ig25_sl5*  |
| ''ig-yaim''           | *4.0.14-5*      |
| ''ig-yaim-core''     | *4.0.14-1*      |

---++ Instructions

---+++ Checking/Updating YUM configuration

*Repository settings*

Please check the instructions you find at the following link:

[[https://wiki.italiangrid.it/twiki/bin/view/IGIRelease/IgiGlite#Repository_Settings][IGI Repository settings for gLite 3.2]]

*yum-autoupdate settings:*

As good practice is suggested to *disable* the *yum-autoupdate* service. Any other settings is decided at site-manager own risk!

To disable the service it is available the following script "[[http://forge.cnaf.infn.it/frs/download.php/101/disable_yum.sh][disable_yum.sh]]" (thanks Giuseppe Platania) that can be used to REALLY disable yum-autoupdate.

---+++ Updating profiles

Find your nodetype and carefully follow the corresponding *actions*.

| *Profiles* | *Metapackages*  <BR/> *INSTALLATION* | *Nodetypes* <BR/> *CONFIGURATION* |  *Service restart*  |  *Partial  reconf*   |  *Total  reconf*  |  *Actions* | *Notes* |
| *SE_dcache_info* | ''SE_dcache_info'' | ''SE_dcache_info'' |  -  |  -  |  -  | Nodetype_reconfiguration <BR/> Middleware_services_restart | - |
| *SE_dcache_nameserver_chimera* | ''SE_dcache_nameserver_chimera'' | ''SE_dcache_nameserver_chimera'' |  -  |  -  |  -  | Nodetype_reconfiguration <BR/> Midleware_services_restart | - |
| *SE_dcache_pool* | ''SE_dcache_pool'' | ''SE_dcache_pool'' |  -  |  -  |  -  | Nodetype_reconfiguration <BR/> Middleware_services_restart | - |
| *SE_dcache_srm* | ''SE_dcache_srm'' | ''SE_dcache_srm'' |  -  |  -  |  -  | Nodetype_reconfiguration <BR/> Middleware_services_restart | - |

---++++Actions

Each of the following sections reports the actions that may be follow in order to upgrade your profiles. Please execute *ONLY* the actions listed on the table above in the column "Actions" and in the row corresponding to your profile!

---+++++Metapackage update

Please see [[https://wiki.italiangrid.it/twiki/bin/view/IGIRelease/YUMTips][yum tips]] for additional information about *YUM*.

   * Update YUM metadata and install the new rpms. 

<pre>
yum clean all
yum install <node-type>
</pre>

Please remember that on case of WN you should use the "groupinstall":
<pre>
yum groupinstall ig_WN_torque
</pre>


---+++++Editing local configuration files

    * In the last updates many variables have been changed or moved to ''services'' and ''defaults'' directories. Please carefully check your ''<site-info.def>'' and files under ''services/'' and ''nodes/'' directories comparing to the new ones distributed with latest released ''yaim'' modules. For example you can use ''vimdiff'' like here below:

<pre>
vimdiff /opt/glite/yaim/examples/siteinfo/ig-site-info.def <site-info.def>
</pre>

You may find more detailed information on *configuration files structure* here:
   * [[https://wiki.italiangrid.it/twiki/bin/view/IGIRelease/IgiGlite#IGI_YAIM_configuration_files][yaim configuration files]]

and on *configuration variables* here:
   * [[https://twiki.cern.ch/twiki/bin/view/LCG/Site-info_configuration_variables][gLite YAIM configuration variables]]
   * [[ ][INFNGRID addendum]] (only information complementary to the previous guide)

---+++++Nodetype reconfiguration

*IMPORTANT: <siteconfig>/services directory*

Please ensure that you have all the *NEEDED* configuration files under your ''<siteconfig>/services'' directory (for example: ''ig-se_dpm_mysql'', ''ig-se_dpm_disk'', ...).

For any details please refer to the  reference [[https://wiki.italiangrid.it/twiki/bin/view/IGIRelease/IgiGlite#INFNGRID_YAIM_configuration_file]["IGI YAIM configuration files”]]


   * Reconfigure the nodetype

<pre>
/opt/glite/yaim/bin/ig_yaim -c -s <site-info.def> -n <nodetype>
</pre>

Where ''<nodetype>'' is one of the nodetypes listed in the "Nodetypes" column of the table above.

---+++++Middleware services restart

Look at your ''chkconfig'' services list and restart all middleware-related service:

<pre>
chkconfig --list | grep 3:on | sort
</pre>

Then restart with:

<pre>
service <middleware-service> restart
</pre>

---+++++Profile first installation

  * Follow the [[https://wiki.italiangrid.it/twiki/bin/view/IGIRelease/IgiGlite][IGI Installation and Configuration Guide for gLite 3.2 SL5 x86_64]]


-- Main.SergioTraldi - 2012-02-01
Topic revision: r1 - 2012-02-01 - SergioTraldi
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