From ca411d9e083cb0abed1f990b4a38d2afd79f82ce Mon Sep 17 00:00:00 2001
From: Jean-Paul Calderone <exarkun@twistedmatrix.com>
Date: Mon, 19 Jun 2023 13:35:36 -0400
Subject: [PATCH] an upgrade instruction

---
 DEPLOYMENT-NOTES.rst | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/DEPLOYMENT-NOTES.rst b/DEPLOYMENT-NOTES.rst
index 9603da2e..79a98dc5 100644
--- a/DEPLOYMENT-NOTES.rst
+++ b/DEPLOYMENT-NOTES.rst
@@ -1,6 +1,14 @@
 Deployment notes
 ================
 
+- 2023-06-19
+
+  ZKAPAuthorizer's Tahoe-LAFS plugin name changed from "privatestorageio-zkapauthz-v1" to "privatestorageio-zkapauthz-v2".
+  This causes Tahoe-LAFS to use a different filename to persist the plugin's Foolscap fURL.
+  To preserve the original fURL value (required) each storage node needs this command run before the deployment::
+
+    cp /var/db/tahoe-lafs/storage/private/storage-plugin.privatestorageio-zkapauthz-v{1,2}.furl
+
 - 2023-04-19
 
   The team switched from Slack to Zulip.
-- 
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