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Migrating from Drupal 6

From: Drupal 7 Advanced Training

Video: Migrating from Drupal 6

A central tenet of Drupal is that major versions Drupal 5, 6, and 7 and so on, aren't compatible with each other. That causes some frustration because historically it's meant that you need to upgrade your site to the next version every four years or so. And even then you have to figure out what to do about modules that don't exist for the new version. The central process for migrating is actually quite easy. It's the little site bits that are sometimes tricky. I'll show you some of the common problems and point you to resources in case you get stymied. I am going to go very quickly since there are a lot of steps.

Migrating from Drupal 6

A central tenet of Drupal is that major versions Drupal 5, 6, and 7 and so on, aren't compatible with each other. That causes some frustration because historically it's meant that you need to upgrade your site to the next version every four years or so. And even then you have to figure out what to do about modules that don't exist for the new version. The central process for migrating is actually quite easy. It's the little site bits that are sometimes tricky. I'll show you some of the common problems and point you to resources in case you get stymied. I am going to go very quickly since there are a lot of steps.

I have already installed an extremely simple site on Drupal 6. The truth is your site will probably have aspects that go well beyond this one. But the techniques you see here will let you migrate a site of any size and complexity. And actually this site isn't as simple as it looks. If we go up to the Module list, you'll see that we actually have quite a few things installed. Besides the core we have CCK, image, and a bunch of other things. The most valuable tool for this is the Upgrade Status module, which you can get at drupal.org/project/upgrade_status, scroll down, and I'll install it in the usual way.

Because we are using Drupal 6, we actually have to go onto the server to install it. Here we are in that site's directory and I go into sites/all/modules/ and install it as usual. Then I reload my Modules page and turn it on. You'll need both Upgrade status and Upgrade assist and Save configuration.

When you do that you see this list over here in the left column and we're just going to walk through the steps it tells us. Now mind you, some of the steps are pretty complicated, so we are going to do this in two videos. First, we will complete the Drupal 6 part of things; then we'll start again with the Drupal 7 part of things. There is a wall between the two parts because you're going to be using the same database, and once you upgrade it you won't be able to go back to Drupal 6. So be sure that you do backups as you go. And in fact, before we go further I am going to use a Drush command to backup the entire site.

You can learn how to do this in the section of this course about Drush. All right, now we are ready to get started. We click the first link, and here we check to make sure that all the modules we have are up to date. Oh! And in fact one of them isn't up to date, Pathauto. So I'll copy that link and install it.

Now if I reload this page, we can see that everything is up to date, and that item has been checked off. Enable the Maintenance mode, go offline that is, and save. You'll notice that it skips over this Verify Maintenance theme, but if you want to go back and make sure of it, I click there and I go back and I say oh okay Maintenance theme is Bluemarine. If there was any problem, it would've told us about this. Of course I could switch it to Garland, which I also know is available in Drupal 7, that's not a bad idea.

And then I'll say Save configuration. Then I disable all modules that are not part of core Drupal. We could do that by going to the Modules page and manually turning them off, but I like this interface. There is one thing that's strange though. On the Modules page when something is checked, it means it's enabled. On this page when it's checked, it means that they're going to turn it off. I'll accept all of this and click Disable. One thing to notice, remember how there were two modules that were part of Upgrade Status, there was Upgrade status and Upgrade assist, this only turns off one of them, because the other one is what gives us this checklist over here, and in fact it will survive as we go into Drupal 7. Very good! You'll notice that it has check here for Backup current site, that's just a reminder and of course we already did this.

The next step is to replace Drupal core. At this point we've come to the end of what we do on Drupal 6, because the next thing we are going to do is download and install Drupal 7. I'll pick that up in the next video.

Show transcript

This video is part of

Image for Drupal 7 Advanced Training
Drupal 7 Advanced Training

72 video lessons · 10913 viewers

Tom Geller
Author

 
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  1. 4m 51s
    1. Welcome
      1m 7s
    2. Planning your Drupal career
      3m 44s
  2. 25m 46s
    1. Comparing development and production environments
      6m 22s
    2. Configuring your settings.php file
      7m 10s
    3. Running multiple sites from one Drupal installation
      7m 32s
    4. Troubleshooting common issues
      4m 42s
  3. 51m 20s
    1. Understanding your Drupal site's place on the web
      2m 44s
    2. Selecting a web host
      7m 20s
    3. Using Unix's command-line interface
      8m 23s
    4. Working with your web host's access restrictions
      4m 51s
    5. Using cPanel and other graphical web host interfaces
      3m 40s
    6. Transferring files to and from your web host
      5m 49s
    7. Moving databases using phpMyAdmin
      6m 34s
    8. Moving databases using Unix commands
      6m 8s
    9. Modifying server configuration files
      5m 51s
  4. 27m 10s
    1. Learning from case studies
      3m 13s
    2. Planning your site
      4m 18s
    3. Populating your site with Devel Generate
      3m 42s
    4. Managing URL paths
      3m 20s
    5. Restricting access to downloadable files
      5m 55s
    6. Reusing site components with the Features module
      6m 42s
  5. 21m 53s
    1. Understanding and installing Drush
      5m 23s
    2. Installing Drupal using Drush
      7m 24s
    3. Building a site using Drush
      9m 6s
  6. 31m 59s
    1. Backing up with the Backup and Migrate module
      8m 17s
    2. Moderating comment spam
      6m 47s
    3. Migrating from Drupal 6
      4m 28s
    4. Migrating to Drupal 7
      12m 27s
  7. 22m 24s
    1. Letting users log in through OpenID
      5m 10s
    2. Letting users log in through Facebook, Twitter, and other services
      9m 43s
    3. Republishing posts on Facebook and Twitter
      7m 31s
  8. 1h 5m
    1. Understanding Drupal's base themes
      5m 55s
    2. Introducing base themes: Zen and subtheming
      11m 35s
    3. Introducing base themes: Fusion and extensibility
      10m 44s
    4. Introducing base themes: AdaptiveTheme and responsive design
      7m 25s
    5. Introducing base themes: Omega and mobile devices
      7m 9s
    6. Using Firebug and other theming tools
      7m 20s
    7. Modifying themes with Sweaver
      6m 59s
    8. Modifying themes with Livethemer
      8m 45s
  9. 49m 35s
    1. Understanding the Rules module
      6m 48s
    2. Demonstrating how Rules works in Drupal Commerce
      3m 53s
    3. Creating practical rules
      6m 37s
    4. Improving rules
      9m 10s
    5. Defining conditions with the Context module
      7m 51s
    6. Varying layout with the Context and Delta modules
      5m 0s
    7. Varying layout with the Panels module
      10m 16s
  10. 52m 46s
    1. Enabling social features
      9m 46s
    2. Implementing a voting system
      9m 15s
    3. Rewarding good behavior with the Userpoints module
      5m 57s
    4. Setting up Organic Groups
      6m 28s
    5. Adding content to groups
      2m 21s
    6. Seeing group activity better with views and panels
      10m 13s
    7. Making groups private
      4m 54s
    8. Letting each group have its own permissions
      3m 52s
  11. 25m 32s
    1. Understanding packaged Drupal distributions
      2m 8s
    2. Getting a head start with Acquia Drupal
      7m 28s
    3. Creating online storefronts with Drupal Commerce
      6m 53s
    4. Creating government web sites with OpenPublic
      9m 3s
  12. 1h 30m
    1. Taking the assignment
      3m 26s
    2. Planning the project
      3m 43s
    3. Preparing the infrastructure
      8m 42s
    4. Starting the design
      7m 35s
    5. Filling in the content
      7m 29s
    6. Developing the layout
      10m 27s
    7. Finishing the layout
      7m 8s
    8. Refining the CSS
      6m 32s
    9. Setting up sections for regional offices
      4m 53s
    10. Configuring regional offices
      7m 18s
    11. Connecting to social media
      5m 9s
    12. Cleaning up
      12m 32s
    13. Securing the site
      5m 56s
  13. 37s
    1. Next steps
      37s

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