247 lines
9.9 KiB
Plaintext
247 lines
9.9 KiB
Plaintext
INTRODUCTION
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------------
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This document describes how to:
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* Update your Drupal site from one minor 7.x version to another minor 7.x
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version; for example, from 7.8 to 7.9, or from 7.6 to 7.10.
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* Upgrade your Drupal site's major version from 6.x to 7.x.
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First steps and definitions:
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* If you are upgrading to Drupal version x.y, then x is known as the major
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version number, and y is known as the minor version number. The download
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file will be named drupal-x.y.tar.gz (or drupal-x.y.zip).
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* All directories mentioned in this document are relative to the directory of
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your Drupal installation.
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* Make a full backup of all files, directories, and your database(s) before
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starting, and save it outside your Drupal installation directory.
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Instructions may be found at http://drupal.org/upgrade/backing-up-the-db
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* It is wise to try an update or upgrade on a test copy of your site before
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applying it to your live site. Even minor updates can cause your site's
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behavior to change.
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* Each new release of Drupal has release notes, which explain the changes made
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since the previous version and any special instructions needed to update or
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upgrade to the new version. You can find a link to the release notes for the
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version you are upgrading or updating to on the Drupal project page
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(http://drupal.org/project/drupal).
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UPGRADE PROBLEMS
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----------------
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If you encounter errors during this process,
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* Note any error messages you see.
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* Restore your site to its previous state, using the file and database backups
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you created before you started the upgrade process. Do not attempt to do
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further upgrades on a site that had update problems.
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* Consult one of the support options listed on http://drupal.org/support
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More in-depth information on upgrading can be found at http://drupal.org/upgrade
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MINOR VERSION UPDATES
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---------------------
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To update from one minor 7.x version of Drupal to any later 7.x version, after
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following the instructions in the INTRODUCTION section at the top of this file:
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1. Log in as a user with the permission "Administer software updates".
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2. Go to Administration > Configuration > Development > Maintenance mode.
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Enable the "Put site into maintenance mode" checkbox and save the
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configuration.
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3. Remove all old core files and directories, except for the 'sites' directory
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and any custom files you added elsewhere.
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If you made modifications to files like .htaccess or robots.txt, you will
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need to re-apply them from your backup, after the new files are in place.
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Sometimes an update includes changes to default.settings.php (this will be
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noted in the release notes). If that's the case, follow these steps:
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- Locate your settings.php file in the /sites/* directory. (Typically
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sites/default.)
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- Make a backup copy of your settings.php file, with a different file name.
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- Make a copy of the new default.settings.php file, and name the copy
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settings.php (overwriting your previous settings.php file).
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- Copy the custom and site-specific entries from the backup you made into the
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new settings.php file. You will definitely need the lines giving the
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database information, and you will also want to copy in any other
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customizations you have added.
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You can find the release notes for your version at
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https://www.drupal.org/project/drupal. At bottom of the project page under
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"Downloads" use the link for your version of Drupal to view the release
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notes. If your version is not listed, use the 'View all releases' link. From
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this page you can scroll down or use the filter to find your version and its
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release notes.
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4. Download the latest Drupal 7.x release from http://drupal.org to a
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directory outside of your web root. Extract the archive and copy the files
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into your Drupal directory.
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On a typical Unix/Linux command line, use the following commands to download
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and extract:
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wget http://drupal.org/files/projects/drupal-x.y.tar.gz
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tar -zxvf drupal-x.y.tar.gz
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This creates a new directory drupal-x.y/ containing all Drupal files and
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directories. Copy the files into your Drupal installation directory:
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cp -R drupal-x.y/* drupal-x.y/.htaccess /path/to/your/installation
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If you do not have command line access to your server, download the archive
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from http://drupal.org using your web browser, extract it, and then use an
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FTP client to upload the files to your web root.
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5. Re-apply any modifications to files such as .htaccess or robots.txt.
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6. Run update.php by visiting http://www.example.com/update.php (replace
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www.example.com with your domain name). This will update the core database
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tables.
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If you are unable to access update.php do the following:
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- Open settings.php with a text editor.
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- Find the line that says:
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$update_free_access = FALSE;
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- Change it into:
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$update_free_access = TRUE;
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- Once the upgrade is done, $update_free_access must be reverted to FALSE.
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7. Go to Administration > Reports > Status report. Verify that everything is
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working as expected.
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8. Ensure that $update_free_access is FALSE in settings.php.
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9. Go to Administration > Configuration > Development > Maintenance mode.
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Disable the "Put site into maintenance mode" checkbox and save the
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configuration.
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MAJOR VERSION UPGRADE
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---------------------
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To upgrade from a previous major version of Drupal to Drupal 7.x, after
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following the instructions in the INTRODUCTION section at the top of this file:
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1. Check on the Drupal 7 status of your contributed and custom modules and
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themes. See http://drupal.org/node/948216 for information on upgrading
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contributed modules and themes. See http://drupal.org/node/895314 for a list
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of modules that have been moved into core for Drupal 7, and instructions on
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how to update them. See http://drupal.org/update/modules for information on
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how to update your custom modules, and http://drupal.org/update/theme for
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custom themes.
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You may decide at this point that you cannot upgrade your site, because
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needed modules or themes are not ready for Drupal 7.
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2. Update to the latest available version of Drupal 6.x (if your current version
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is Drupal 5.x, you have to upgrade to 6.x first). If you need to update,
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download Drupal 6.x and follow the instructions in its UPGRADE.txt. This
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document only applies for upgrades from 6.x to 7.x.
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3. In addition to updating to the latest available version of Drupal 6.x core,
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you must also upgrade all of your contributed modules for Drupal to their
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latest Drupal 6.x versions.
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4. Log in as user ID 1 (the site maintenance user).
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5. Go to Administer > Site configuration > Site maintenance. Select
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"Off-line" and save the configuration.
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6. Go to Administer > Site building > Themes. Enable "Garland" and select it as
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the default theme.
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7. Go to Administer > Site building > Modules. Disable all modules that are not
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listed under "Core - required" or "Core - optional". It is possible that some
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modules cannot be disabled, because others depend on them. Repeat this step
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until all non-core modules are disabled.
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If you know that you will not re-enable some modules for Drupal 7.x and you
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no longer need their data, then you can uninstall them under the Uninstall
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tab after disabling them.
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8. On the command line or in your FTP client, remove the file
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sites/default/default.settings.php
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9. Remove all old core files and directories, except for the 'sites' directory
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and any custom files you added elsewhere.
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If you made modifications to files like .htaccess or robots.txt, you will
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need to re-apply them from your backup, after the new files are in place.
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10. If you uninstalled any modules, remove them from the sites/all/modules and
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other sites/*/modules directories. Leave other modules in place, even though
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they are incompatible with Drupal 7.x.
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11. Download the latest Drupal 7.x release from http://drupal.org to a
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directory outside of your web root. Extract the archive and copy the files
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into your Drupal directory.
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On a typical Unix/Linux command line, use the following commands to download
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and extract:
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wget http://drupal.org/files/projects/drupal-x.y.tar.gz
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tar -zxvf drupal-x.y.tar.gz
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This creates a new directory drupal-x.y/ containing all Drupal files and
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directories. Copy the files into your Drupal installation directory:
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cp -R drupal-x.y/* drupal-x.y/.htaccess /path/to/your/installation
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If you do not have command line access to your server, download the archive
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from http://drupal.org using your web browser, extract it, and then use an
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FTP client to upload the files to your web root.
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12. Re-apply any modifications to files such as .htaccess or robots.txt.
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13. Make your settings.php file writeable, so that the update process can
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convert it to the format of Drupal 7.x. settings.php is usually located in
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sites/default/settings.php
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14. Run update.php by visiting http://www.example.com/update.php (replace
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www.example.com with your domain name). This will update the core database
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tables.
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If you are unable to access update.php do the following:
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- Open settings.php with a text editor.
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- Find the line that says:
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$update_free_access = FALSE;
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- Change it into:
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$update_free_access = TRUE;
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- Once the upgrade is done, $update_free_access must be reverted to FALSE.
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15. Backup your database after the core upgrade has run.
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16. Replace and update your non-core modules and themes, following the
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procedures at http://drupal.org/node/948216
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17. Go to Administration > Reports > Status report. Verify that everything is
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working as expected.
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18. Ensure that $update_free_access is FALSE in settings.php.
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19. Go to Administration > Configuration > Development > Maintenance mode.
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Disable the "Put site into maintenance mode" checkbox and save the
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configuration.
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To get started with Drupal 7 administration, visit
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http://drupal.org/getting-started/7/admin
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