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File UPGRADING.SUSE of Package otrs.7307
Upgrading OTRS from 3.2 to 3.3 ============================== These instructions are for people upgrading OTRS from *3.2* to *3.3*, and applies both for RPM and source code (tarball) upgrades. Please note that OTRS 3.3 requires at least perl version *5.10.0*. Make sure before you plan your upgrade that your server runs this version. You can check the version with the command `perl -v` on the command line. The only known Linux distribution that uses perl 5.8 and is still supported by its vendor is Red Hat Enterprise Linux (RHEL) 5 and its community supported derivative CentOS 5. If you're on any of these platforms and you plan to upgrade to OTRS 3.3 you should also plan migrating your operating system to a version with a supported perl, such as RHEL 6 or CentOS 6. If you are running a lower version of OTRS you have to follow the upgrade path to 3.2 first (1.1->1.2->1.3->2.0->2.1->2.2->2.3->2.4->3.0->3.1->3.2->3.3 ...)! You need to perform a full upgrade to every version in between, including database changes and the upgrading perl script. Please note that if you upgrade from OTRS 2.2 or earlier, you have to take an extra step; please read http://bugs.otrs.org/show_bug.cgi?id=6798 Within a single minor version you can skip patch level releases if you want to upgrade. For instance you can upgrade directly from OTRS 3.3.1 to version 3.3.4. If you need to do such a "patch level upgrade", you should skip steps 9 and 13-16. Please note that if you perform a patch level upgrade from OTRS 3.3.6 or earlier, you need to activate a new cron job that controls the scheduler process. Please copy the file `/opt/otrs/var/cron/scheduler_watchdog.dist` to `/opt/otrs/var/cron/scheduler_watchdog` and update your crontab with `/opt/otrs/bin/Cron.sh start` (as "otrs" user, not root). 1. Stop all relevant services ----------------------------- e. g. (depends on used services): shell> rccron stop shell> rcpostfix stop shell> rcotrs-scheduler stop shell> rcotrs stop shell> rcapache2 stop 2. Backup everything below $OTRS_HOME (default: OTRS_HOME=/srv/otrs) -------------------------------------------------------------------- - Kernel/Config.pm - Kernel/Config/GenericAgent.pm - Kernel/Config/Files/ZZZAuto.pm - var/* - as well as the database 3. Make sure that you have backed up everything ;-) --------------------------------------------------- 4. Setup new system (optional) ------------------------------ If possible try this install on a separate machine for testing first. 5. Install the new release (RPM) --------------------------------------- shell> rpm -Uvh otrs-3.3.x.-?.noarch.rpm The RPM-update will keep the old configuration files. - Kernel/Config.pm - Kernel/Config/GenericAgent.pm - Kernel/Config/Files/ZZZAuto.pm (will be overwritten by itsm) You must use the new files *.rpmnew - Kernel/Config.pm.rpmnew shell> cp -a Kernel/Config.pm Kernel/Config.pm.backup shell> mv Kernel/Config.pm.rpmnew Kernel/Config.pm Then modify Kernel/Config.pm to adapt your settings (e.g. DB connection) 6. Own themes ------------- Note: The OTRS themes between 3.2 and 3.3 are NOT compatible, so don't use your old themes! Themes are located under `$OTRS_HOME/Kernel/Output/HTML/*/*.dtl` (default: `OTRS_HOME=/srv/otrs`) Please also note that dtl-Files must be in utf-8 from OTRS 3.3 on. 7. Apply the database changes ----------------------------- shell> cd /srv/otrs/ ### SCHEMA UPDATE MySQL: Note: new tables created in the MySQL UPGRADING process will be created with the default table storage engine set in your MySQL server. In MySQL 5.5 the new default type is InnoDB. If existing tables, e.g. "users", have the table storage engine e.g. MyISAM, then an error will be displayed when creating the foreign key constraints. You have two options: you can change the default storage engine of MySQL back to MyISAM so that new tables will have the same engine as the existing tables, or change the existing tables to use InnoDB as storage engine. Any problems with regards to the storage engine will be reported by the `otrs.CheckDB.pl` script, so please run it to check for possible issues. shell> bin/otrs.CheckDB.pl shell> cat scripts/DBUpdate-to-3.3.mysql.sql | mysql -p -f -u root otrs PostgreSQL 8.2+: shell> cat scripts/DBUpdate-to-3.3.postgresql.sql | psql --set ON_ERROR_STOP=on --single-transaction otrs otrs PostgreSQL, older versions: shell> cat scripts/DBUpdate-to-3.3.postgresql_before_8_2.sql | psql --set ON_ERROR_STOP=on --single-transaction otrs otrs NOTE: If you use PostgreSQL 8.1 or earlier, you need to activate the new legacy driver for these older versions. Do this by adding a new line to your Kernel/Config.pm like this: $Self->{DatabasePostgresqlBefore82} = 1; ### DATABASE MIGRATION SCRIPT Run the migration script (as user `otrs`, NOT as `root`): shell> scripts/DBUpdate-to-3.3.pl Do not continue the upgrading process if this script did not work properly for you. Otherwise data loss may occur. 8. Refresh the configuration cache and delete caches ----------------------------------------------------- Please run (as user `otrs`, NOT as `root`): shell> bin/otrs.RebuildConfig.pl shell> bin/otrs.DeleteCache.pl 9. Restart your services ------------------------- e. g. (depends on used services): shell> rcapache start shell> rcotrs start shell> rcotrs-scheduler start shell> rcpostfix start shell> rccron start Now you can log into your system. 10. Check installed packages ---------------------------- In the package manager, check if all packages are still marked as correctly installed or if any require reinstallation or even a package upgrade. The following packages are automatically uninstalled after the upgrade process (if they where installed before): - OTRSPostMasterFilterExtensions - OTRSFreeTextFromCustomerUser - OTRSExternalTicketNumberRecognition - OTRSDashboardQueueOverview - OTRSImportantArticles - OTRSImportantArticlesITSM - OTRSDashboardTicketCalendar - OTRSMultiServiceSelect - OTRSMultiQueueSelect - OTRSDynamicFieldMultiLevelSelection - OTRSEventBasedTicketActions - OTRSTicketAclEditor - OTRSCustomerProcessSelection - OTRSACLExtensions - OTRSGenericStandardTemplates - OTRSExtendedDynamicDateFieldSearch - OTRSDashboardTicketOverviewFilters 11. Check config settings of OTRSFreeTextFromCustomerUser ------------------------------------------------------- Note: This only applies if you used the package OTRSFreeTextFromCustomerUser previously. If you used this module previously, you need to reconfigure it. The module is automatically uninstalled by the upgrading script as it is now a part of the OTRS framework. If you want to keep using it, please enable the setting "Ticket::EventModulePost###930-DynamicFieldFromCustomerUser" to activate this feature and configure the mapping in the setting "DynamicFieldFromCustomerUser::Mapping". 12. Import your ACLs to the new ACL editor (optional) ------------------------------------------------------- In OTRS 3.3, there is a graphical editor for ACLs in the administration interface. You will need to import your existing ACLs (e.g. in Config.pm or additional files) to the editor by using bin/otrs.ImportACLsFromConfig.pl in order to make them available in the editor. Please make sure to delete any ACLs from Config.pm (or other files) after successfully finishing the import procedure. Also you will need to use the deploy button in the ACL administration frontend in order to re-deploy the imported ACLs to your system. 13. Update your web server configuration ---------------------------------------- Note: this applies only if you use the Apache web server, and do not use the configuration file directly from the OTRS installation directory (e. g. with a symlink from the Apache configuration directory). Please update the the Apache configuration file for OTRS as there have been several changes (see [scripts/apache2-httpd.include.conf](scripts/apache2-httpd.include.conf)). 16. Update and activate cronjobs -------------------------------- There are several OTRS default cronjobs in $OTRS_HOME/var/cron/*.dist. They can be activated by copying them without the ".dist" filename extension. Do this to make sure you get the latest versions of the cronjobs and new cronjobs as well. shell> cd var/cron shell> for foo in *.dist; do cp $foo `basename $foo .dist`; done Please check the copied files and re-apply any customizations that you might have made. To schedule these cronjobs on your system, you can use the script Cron.sh. Make sure to execute it as the OTRS system user! shell> /srv/otrs/bin/Cron.sh start Note: From OTRS 3.3.7 OTRS Scheduler uses a cronjob to start-up and keep alive. Please make sure that scheduler_watchdog cronjob is activated. 17. Well done! --------------
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