File UPGRADING.SUSE of Package otrs.14919

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File UPGRADING.SUSE of Package otrs.14919

Upgrading OTRS from 5 to 6
==========================

Warning
-------
You cannot update from OTRS 4 or earlier directly to OTRS 6. Full updates to all
available minor versions have to be made sequentially instead. For example, if
you come from OTRS 3.0, you first have to perform a full update to OTRS 3.1,
then to 3.2, 3.3, 4, 5 and finally to OTRS 6.

These instructions are for people upgrading OTRS from 5 to 6 or from a 6
to a later patchlevel release 6 and applies both for RPM and source code (tarball) upgrades.

If you are running a lower version of OTRS you have to follow the upgrade path to 5 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->4->5)! 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.

Within a single minor version you can skip patch level releases if you want to upgrade.
For instance you can upgrade directly from OTRS 6 patchlevel 2 to version 6 patchlevel 14.

It is highly recommended to perform a test update on a separate testing machine first.
It is highly recommended to have a backup of your database first.

1. Stop all relevant services
-----------------------------

e. g. (depends on used services):

shell> rcotrs stop
    shell> rcpostfix stop
    shell> rcapache2 stop

2. Backup everything below @OTRS_ROOT@ (default: OTRS_ROOT=@OTRS_ROOT@)
---------------------------------------------------------------------

- Kernel/Config.pm
- Kernel/Config/Files/ZZZAuto.pm
- var/*
- as well as the database

3. Make sure that you have backed up everything ;-)
---------------------------------------------------

4. Install the new release (RPM)
--------------------------------

shell> zypper -n up otrs
if are also using ITSM, then also
    shell> zypper -n up otrs-itsm

The RPM-update will keep the old configuration files.

- Kernel/Config.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)

5. Check needed Perl modules
----------------------------

shell> @OTRS_ROOT@/bin/otrs.CheckModules.pl

6. Apply the database changes
-----------------------------

shell> cd @OTRS_ROOT@

Note:
    If you have any custom Perl or XML configuration files in
    Kernel/Config/Files, these need to be converted to the new formats supported
    by OTRS 6 before running the migration script.

You should convert the config files to the new XML format.

shell> bin/otrs.Console.pl Dev::Tools::Migrate::ConfigXMLStructure --source-directory Kernel/Config/Files

### DATABASE MIGRATION SCRIPT

Run the migration script (as user `otrs`, NOT as `root`):

shell> scripts/DBUpdate-to-6.pl

Do not continue the upgrading process if this script did not work properly for you.
 Otherwise data loss may occur.

7. Refresh the configuration cache and delete caches
-----------------------------------------------------

Please run (as user `otrs`, NOT as `root`):

shell> cd /opt/otrs/
    shell> bin/otrs.Console.pl Maint::Config::Rebuild
    shell> bin/otrs.Console.pl Maint::Cache::Delete

8 Update installed packages
---------------------------

Please run (as user `otrs`, NOT as `root`):

shell> bin/otrs.Console.pl Admin::Package::UpgradeAll

9. Restart your services
------------------------

e. g. (depends on used services):

shell> rcapache2 start
    shell> rcpostfix start
    shell> rcotrs start

Now you can log into your system.

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