Update Upgrading-To-MaxScale-2.1.md

Added information about IPv6 changes and persisted configurations.
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Markus Mäkelä 2017-04-20 10:21:02 +03:00 committed by GitHub
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@ -14,6 +14,18 @@ For a complete list of changes in MaxScale 2.1.0, refer to the
Before starting the upgrade, we **strongly** recommend you back up your current
configuration file.
## IPv6 Support
MaxScale 2.1.2 added support for IPv6 addresses. The default interface that listeners bind to
was changed from the IPv4 address `0.0.0.0` to the IPv6 address `::`. To bind to the old IPv4 address,
add `address=0.0.0.0` to the listener definition.
## Persisted Configuration Files
Starting with MaxScale 2.1, any changes made with the newly added
[runtime configuration change](../Reference/MaxAdmin.md#runtime-configuration-changes)
will be persisted in a configuration file. These files are located in `/var/lib/maxscale/maxscale.cnf.d/`.
## MaxScale Log Files
The name of the log file was changed from _maxscaleN.log_ to _maxscale.log_. The