=== modified file 'finalize.d/90-trigger-mirrors'
--- finalize.d/90-trigger-mirrors	2016-07-28 01:46:02 +0000
+++ finalize.d/90-trigger-mirrors	2017-03-24 16:03:16 +0000
@@ -7,7 +7,7 @@
 case :$DISTRIBUTIONS: in
     *:ubuntu:*)
 	MASTERMIRRORS="archive.syncproxy.ubuntu.com ports.syncproxy.ubuntu.com"
-	MASTERMIRRORS_ASYNC="sadalbari.canonical.com kudan.canonical.com"
+	MASTERMIRRORS_ASYNC="sadalbari.canonical.com kudan.canonical.com nernst.canonical.com"
 	# New ports.syncproxy: step 1, add astomi; step 2; swap for risha; step 3, drop risha:
 	MASTERMIRRORS_ASYNC="$MASTERMIRRORS_ASYNC risha.canonical.com"
 	echo "$(date -R): Triggering master mirrors..."