Disable jetstream if disk permission error while writing raft state

server/jetstream.go

@@ -3034,3 +3034,14 @@ func fixCfgMirrorWithDedupWindow(cfg *StreamConfig) {
 		cfg.Duplicates = 0
 	}
 }
+
+func (s *Server) handleWritePermissionError() {
+	//TODO Check if we should add s.jetStreamOOSPending in condition
+	if s.JetStreamEnabled() {
+		s.Errorf("file system permission denied while writing, disabling jetstream")
+
+		go s.DisableJetStream()
+
+		//TODO Send respective advisory if needed, same as in handleOutOfSpace
+	}
+}

server/raft.go

@@ -3978,6 +3978,10 @@ func (n *raft) setWriteErrLocked(err error) {
 	n.error("Critical write error: %v", err)
 	n.werr = err
 
+	if os.IsPermission(err) {
+		go n.s.handleWritePermissionError()
+	}
+
 	if isOutOfSpaceErr(err) {
 		// For now since this can be happening all under the covers, we will call up and disable JetStream.
 		go n.s.handleOutOfSpace(nil)