Upgrade and migrate to 3.3

You can upgrade and migrate directly to Splunk 3.3 from versions 3.0 and later. If you are currently running a version of Splunk that is older than 3.0, refer to this documentation for options.

When you upgrade to 3.3, your configuration files will be updated and changed to support the new functionality in 3.3. You can run the migration preview utility to see what will be changed before you actually upgrade and migrate. When you do this, a file containing the changes that the script proposes to make is written to $SPLUNK_HOME/var/log/splunk/migration.log.<timestamp>

Important: Before you perform the upgrade:

Review these migration considerations.
Back up your files.

1. Execute the $SPLUNK_HOME/bin/splunk stop command.

2. To upgrade and migrate from version 3.0 and later, install the Splunk 3.3 package over your existing Splunk deployment.

If you are using a TAR file, expand it into the same directory as your existing Splunk instance. This overwrites and replaces matching files but does not remove unique files.

If you are using a package manager, such as an RPM:

rpm -U splunk_package_name.rpm

3. Execute the $SPLUNK_HOME/bin/splunk start command.
The following output is displayed:

This appears to be an upgrade of Splunk.

--------------------------------------------------------------------------------

Splunk has detected an older version of Splunk installed on this machine. To
finish upgrading to the new version, Splunk\'s installer will automatically
update and alter your current configuration files. Deprecated configuration
files will be renamed with a .deprecated extension.

You can choose to preview the changes that will be made to your configuration
files before proceeding with the migration and upgrade:

If you want to migrate and upgrade without previewing the changes that will be
made to your existing configuration files, choose \'y\'.
If you want to see what changes will be made before you proceed with the
upgrade, choose \'n\'.

Perform migration and upgrade without previewing configuration changes? [y/n]

4. You're given the choice of running the migration preview script to see what changes will be made to your existing configuration files, or proceeding with the migration and upgrade right away.

5. If you choose to view the expected changes, the script provides a list.

6. Once you've reviewed these changes and are ready to proceed with migration and upgrade, run $SPLUNK_HOME/bin/splunk start again.

Note: You can complete Steps 3 to 5 in one line:

To accept the license and view the expected changes (answer 'n') before continuing the upgrade:

$SPLUNK_HOME/bin/splunk start --accept-license --answer-no

To accept the license and begin the upgrade without viewing the changes (answer 'y'):

$SPLUNK_HOME/bin/splunk start --accept-license --answer-yes

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