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-rw-r--r--docs/en/UPGRADE.t2t3
1 files changed, 3 insertions, 0 deletions
diff --git a/docs/en/UPGRADE.t2t b/docs/en/UPGRADE.t2t
index e57faad..7d248ee 100644
--- a/docs/en/UPGRADE.t2t
+++ b/docs/en/UPGRADE.t2t
@@ -110,6 +110,9 @@ to backup your database.
You can also make a copy of your current database into a new database and make
the new installation to this new database.
+The gdal binding for python is necessary to run the upgrade scripts (available
+in the python-gdal package in Debian).
+
If you run the migration scripts in a production environnement stop the old
instance of Chimère before executing the migration script. Perhaps prepare the
web server to point to the new installation before doing the database upgrade