7.1 Downgrade Preparations
- Jenni Wallin
- Former user (Deleted)
Owned by Jenni Wallin
Ensure that the environment variables are set correctly:
| Variable | Description |
|---|---|
| MZ_HOME | This environment variable specifies where the |
| JAVA_HOME | This environment variable specifies where the JDK is installed. |
| PATH | This environment variable specifies the search path and must contain the following directories: $JAVA_HOME/bin:$MZ_HOME/bin |
Example - Setting Environment Variables
$ export MZ_HOME=/opt/mz $ export JAVA_HOME=/opt/jdk/jdk1.8.0_121 $ export PATH=$JAVA_HOME/bin:$MZ_HOME/bin:$PATH
Note!
If the 
software is installed on a GlusterFS storage, you must also set the environment variable IGNORE_TAR_EXIT to true. This will suppress non-critical errors that are caused by the tar command during downgrade. If these errors are not suppressed, the downgrade process will abort.
Example - Setting Environment Variable
$ export IGNORE_TAR_EXIT=true