try these options

diff --git a/modules/roles/templates/static-mirroring/static-update-component.erb b/modules/roles/templates/static-mirroring/static-update-component.erb
index 97636d94f3e65a591e2dfcb46b7c4ba98b44fcd5..53887add2a2614d724efa8695e6ccef953ad4f35 100755 (executable)
--- a/modules/roles/templates/static-mirroring/static-update-component.erb
+++ b/modules/roles/templates/static-mirroring/static-update-component.erb
@@ -68,7 +68,7 @@ lines.join("\n")
 %>
 
   for master_idx in ${!masters[*]}; do
-    ssh -t -o BatchMode=yes "${masters[$master_idx]}" static-master-update-component "$component"
+    ssh -t -o ServerAliveInterval=300 -o PreferredAuthentications=publickey "${masters[$master_idx]}" static-master-update-component "$component" < /dev/null
   done
 fi