From ba193177511c45ce9cf659cb86c569c9de587e7f Mon Sep 17 00:00:00 2001
From: Ustuzhanin Anton <toshaust@gmail.com>
Date: Thu, 18 Feb 2021 00:42:52 +0500
Subject: [PATCH] feat: custom updateStrategy for deamonset

---
 README.md | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/README.md b/README.md
index f48d255..fa7b4f1 100644
--- a/README.md
+++ b/README.md
@@ -61,6 +61,17 @@ helm install --set seaweedfsFiler=<filerHost:port> seaweedfs-csi-driver ./seawee
 ```bash
 helm uninstall seaweedfs-csi-driver
 ```
+
+# Safe rolling update
+When update DaemonSet ( DS ) break processes who implements fuse mount. And now new pod not remount net device
+For better safe update use ``node.updateStrategy.type: OnDelete`` in this need manual update. Steps:
+ - delete DS pods on node where no exists seaweefs PV
+ - cordon or taint node 
+ - evict or delete pods with seaweedfs PV
+ - delete DS pos on node
+ - uncordon or remove taint on node
+ - repeat all steps on all nodes 
+  
 # License
 [Apache v2 license](https://www.apache.org/licenses/LICENSE-2.0)