Migrate Drupal 6 to Drupal 7. Changing from Drupal 6 to Drupal 7 is not just a simple update. The steps seem straightforward, but there are major changes in the way Drupal 7 works and stores data. So a move up across major version numbers is really a "migration" as opposed to a simple update or patch.
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If your site is fairly simple, with good backups, and you use the right approach, you can accomplish the migration without too much trouble. The more complex your site is, the more complex the migration will be. Doing a migration involves several steps.
You might want to review these related tutorials. Step 1: Backup your site's database* It is wise to try an update or upgrade on a test copy of your site before applying it to your live site. Even minor updates can cause your site's behavior to change. There is a handy tool called Backup and Migrate, which helps simplify the backup process, which you can download from this page http: //drupal. Note: it only works with My. SQL, and is still under development.
You should also do a manual backup of your database using php. My. Admin. We show you how to do this in this tutorial. Step 2: Backup all your folders and files. You have several ways to do this, and you might want to do it more than one way for safety. You can download all the files to your local computer.
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Copy the files to another directory on your server. Use the backup facility that is probably built into your hosting control panel. You can't be too paranoid about having extra copies. Step 3: Double check to make sure you can complete the upgrade. Check on the Drupal 7 status of your contributed and custom modules and themes. Step 4: Check for the latest version of Drupal 6. You can't skip versions when you upgrade.
Drupal Jobs. Find your next job or post an open position on the official Drupal community job board. Search or post Drupal Jobs →. Changing from Drupal 6 to Drupal 7 is not just a simple update. The steps seem straightforward, but there are major changes in the way Drupal 7 works and stores data.
For instance you cant go from 6. You also can't upgrade directly from 6. Drupal 7. You have to have your Drupal 6 installation at the latest level. How do I know which version of Drupal I'm running?
Go to Administer (or Administration) > > Reports > > Status report. You will see your version number if you have Drupal 6. In Drupal 5. x and earlier, the path to go to is Administer > > Logs > > Status report.
Where do I get the latest version of Drupal 6? Step 5: Take the site off- line. Go to Administer > > Site configuration > > Site maintenance. Select "Off- line" and save the configuration.
Step 6: Change the theme to Garland. Go to Administer > > Site building > > Themes. Click the check box to enable the theme, and the radio button to make it the default. Scroll to the bottom of the page and save changes. You need to use the basic theme. If you are using a template, check with the designer to see if there is an updated version, and you can do that upgrade after the site is working with Garland.
Step 7: Disable all non- core modules. Go to Administer > > Site building > > Modules. You can expand the categories by clicking on the category name and see what is enabled. If you added an additional modules to your site, there will be additional categories. Expand them and uncheck the boxes next to the modules. Step 8: Clear all optional module check boxes.
It is possible that some modules cannot be immediately disabled, because others depend on them. Repeat this step until all non- core modules are disabled and all check boxes are clear. Be sure to scroll to the bottom of the page and save the changes. Step 9: Remove unwanted modules. If you know that you will not re- enable some modules for Drupal 7. Uninstall tab after disabling them.
The Uninstall tab is at the top of the modules page. Step 1. 0: Remove sites/default/default.
On the command line or in your FTP client, remove the file /sites/default/default. Step 1. 1: Delete all your other folders and files except /sites/Empty your Drupal files directory except for: /sites/any custom files you added elsewhere. If you made modifications to files like . Step 1. 2: Remove unwanted module folders. If you are abandoning any modules because they are not compatible with Drupal 7, remove them from the directorysites/all/modules.
Step 1. 3: Download and extract Drupal 7. Download Drupal 7 if you haven't already. You can extract the files on the server and copy them to your main directory. Alternately you could extract them on your local computer and use FTP to move them to your sever.
Don't worry about overwriting the files in the sites folder. Only the files that need replacing will be replaced. Step 1. 4: Reapply any changes to your .
Re- apply any modifications to files such as . Use a text editor to make changes. Step 1. 5: Make your settings file writable. Make your settings.
Drupal 7. x. settings. Normally this would best be set at 4. BE SURE YOU REMEMBER TO COME BACK AND RESTORE THIS SETTING AFTER YOU ARE FINISHED with the migration.
Step 1. 6: Run update. Run update. php by visiting http: //www. This will update the core database tables. Click continue and follow the steps. If you can't access update. If you are unable to access update. Open settings. php with a text editor.- Find the line that says: $update_free_access = FALSE; - Change it into: $update_free_access = TRUE; - Once the upgrade is done, $update_free_access must be reverted to FALSE. Step 1. 7: Backup your new database.
Using the same procedure you used before, make another database backup. Save it with a different name or to a different location than your original backup. You may still need that one. Step 1. 8: Upgrade your modules to their newer versions.
You've gone through the core upgrade, but now each module has to be upgraded. Then you can update and re- enable your non- core modules by following these steps: Check your notes, and the UPGRADE. Fully remove the old module directory inside sites/all/modules/ (if you haven't already)Download, unpack and move the new module directory to sites/all/modules/Enable the module.
Run update. php again (you should have run it once already when upgrading core) and check for any message output. Back up your database and files again, between each module update, so that if there is a problem, you can revert to the most recent update. If you have errors when you run the update.
Note any error messages you see. Restore your site to its previous state, using the file and database backups you created before you started the upgrade or update process.
Do not attempt to do further updates or upgrades on a site that had update problems. Step 1. 9: Upload your Drupal 7 compatible theme. Make sure everything works in the Garland theme before you switch over to your Drupal 7 theme.
Step 2. 0: Go to Reports and run a Status report. Go to Administration > > Reports > > Status report. Verify that everything is working as expected.
Step 2. 1: Set update_free_access is set to false. Ensure that $update_free_access is FALSE in settings.
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