diff --git a/src/bin/www b/src/bin/www
index 837bedd..1de4006 100755
--- a/src/bin/www
+++ b/src/bin/www
@@ -9,6 +9,7 @@ const debug = require('debug')('ztncui:server');
 const http = require('http');
 const https = require('https');
 const fs = require('fs');
+const storage = require('../controllers/storage');
 
 /**
  * Get ports from environment and store in Express.
@@ -36,33 +37,40 @@ app.set('https_host', https_host);
  *  HTTPS_HOST              HTTPS       HTTPS_HOST      HTTPS_PORT
  */
 
-const http_all_interfaces = process.env.HTTP_ALL_INTERFACES || null;
-if (http_all_interfaces) {
-    console.log('Listening for HTTP requests on port ' + http_port + ' on all interfaces');
-    app.listen(http_port);  
-} else {
-    console.log('Listening for HTTP requests on port ' + http_port + ' on localhost');
-    app.listen(http_port, 'localhost');
-}
-
 const options = !https_port ? {} : {
   cert: fs.readFileSync('etc/tls/fullchain.pem'),
   key: fs.readFileSync('etc/tls/privkey.pem')
 };
 
-const server = https.createServer(options, app);
+const https_server = https.createServer(options, app);
 
-if (https_port) {
-  if (https_host) {
-    console.log('Listening for HTTPS requests on port ' + https_port + ' on address ' + https_host);
+async function start() {
+  await storage.init();
+
+  const http_all_interfaces = process.env.HTTP_ALL_INTERFACES || null;
+  if (http_all_interfaces) {
+      console.log('Listening for HTTP requests on port ' + http_port + ' on all interfaces');
+      app.listen(http_port);  
   } else {
-    console.log('Listening for HTTPS requests on port ' + https_port + ' on all interfaces');
+      console.log('Listening for HTTP requests on port ' + http_port + ' on localhost');
+      app.listen(http_port, 'localhost');
   }
-  server.listen(https_port, https_host);
+
+  if (https_port) {
+    if (https_host) {
+      console.log('Listening for HTTPS requests on port ' + https_port + ' on address ' + https_host);
+    } else {
+      console.log('Listening for HTTPS requests on port ' + https_port + ' on all interfaces');
+    }
+    https_server.listen(https_port, https_host);
+  }
+
+  https_server.on('error', onError);
+  https_server.on('listening', onListening);
 }
 
-server.on('error', onError);
-server.on('listening', onListening);
+start();
+
 
 /**
  * Normalize a port into a number, string, or false.
@@ -121,7 +129,7 @@ function onError(error) {
  */
 
 function onListening() {
-  const addr = server.address();
+  const addr = https_server.address();
   const bind = typeof addr === 'string'
     ? 'pipe ' + addr
     : 'port ' + addr.port;
diff --git a/src/controllers/networkController.js b/src/controllers/networkController.js
index c42abba..c5a25dd 100644
--- a/src/controllers/networkController.js
+++ b/src/controllers/networkController.js
@@ -6,11 +6,10 @@
 
 const fs = require('fs');
 const ipaddr = require('ip-address');
-const storage = require('node-persist');
+const storage = require('./storage');
 const zt = require('./zt');
 const util = require('util');
 
-storage.initSync({dir: 'etc/storage'});
 
 async function get_network_with_members(nwid) {
   const [network, peers, members] = await Promise.all([
@@ -22,11 +21,11 @@ async function get_network_with_members(nwid) {
           Object.keys(member_ids)
             .map(id => Promise.all([
               zt.member_detail(nwid, id),
-              storage.getItem(id)
+              storage.get_member(id)
             ]))
         )
-      ).then(results => results.map(([member, name]) => {
-        member.name = name || '';
+      ).then(results => results.map(([member, {name}]) => {
+        member.name = name;
         return member;
       }))
   ]);
@@ -37,13 +36,13 @@ async function get_network_with_members(nwid) {
 }
 
 async function get_network_member(nwid, memberid) {
-  const [network, member, peer, name] = await Promise.all([
+  const [network, member, peer, {name}] = await Promise.all([
     zt.network_detail(nwid),
     zt.member_detail(nwid, memberid),
     zt.peer(memberid),
-    storage.getItem(memberid)
+    storage.get_member(memberid)
   ]);
-  member.name = name || '';
+  member.name = name;
   member.peer = peer;
   return {network, member};
 }
@@ -677,7 +676,9 @@ exports.members = async function(req, res) {
 
       if (!errors) {
         try {
-          const ret = await storage.setItem(req.body.id, req.body.name);
+          const member = await storage.get_member(req.body.id);
+          member.name = req.body.name;
+          await storage.set_member(req.body.id, member);
         } catch (err) {
           throw err;
         }
@@ -697,17 +698,16 @@ exports.member_delete = async function(req, res) {
   try {
     const network = await zt.network_detail(req.params.nwid);
     let member = null;
-    let name = null;
+    let { name } = await storage.get_member(req.params.id);
     if (req.method === 'POST') {
       member = await zt.member_delete(req.params.nwid, req.params.id);
       if (member.deleted) {
-        name = await storage.removeItem(member.id);
+        await storage.delete_member(member.id);
       }
     } else {
       member = await zt.member_detail(req.params.nwid, req.params.id);
-      name = await storage.getItem(member.id);
     }
-    member.name = name || '';
+    member.name = name;
 
     navigate.whence = '/controller/network/' + network.nwid;
     res.render('member_delete', {title: 'Delete member from ' + network.name,
@@ -731,7 +731,7 @@ exports.delete_ip = async function(req, res) {
     const network = await zt.network_detail(req.params.nwid);
     let member = await zt.member_detail(req.params.nwid, req.params.id);
     navigate.whence = '/controller/network/' + network.nwid;
-    member.name = await storage.getItem(member.id) | '';
+    member.name = (await storage.get_member(member.id)).name;
     if (req.params.index) {
       member = await zt.ipAssignmentDelete(network.nwid, member.id,
                                                               req.params.index);
@@ -795,7 +795,7 @@ exports.assign_ip = async function(req, res) {
       member = await zt.ipAssignmentAdd(network.nwid, member.id, ipAssignment);
     }
 
-    member.name = await storage.getItem(member.id) | '';
+    member.name = (await storage.get_member(member.id)).name;
 
     res.render('ipAssignments', {title: 'ipAssignments', navigate: navigate,
                   ipAssignment: ipAssignment, network: network, member: member,
diff --git a/src/controllers/storage.js b/src/controllers/storage.js
new file mode 100644
index 0000000..1e07d55
--- /dev/null
+++ b/src/controllers/storage.js
@@ -0,0 +1,89 @@
+const storage = require('node-persist').create();
+
+/**
+ * @typedef {{ name: string, description: string }} MemberInfo
+ * @typedef {{ rulesSource: string, description: string }} NetworkInfo
+ */
+
+async function init() {
+    const v1 = require('node-persist').create();
+    await v1.init({ dir: 'etc/storage' });
+    await storage.init({ dir: 'etc/storage-v2' });
+    const version = await v1.getItem('version');
+    let newVersion = version;
+
+    if (newVersion === undefined) {
+        const data = [];
+        await v1.forEach((key, value) => {
+            data.push({ key, value });
+        });
+        for (const { key, value } of data) {
+            await storage.setItem('member-' + key, { name: value });
+        }
+        newVersion = 2;
+        await v1.setItem('version', newVersion);
+    }
+
+    if (newVersion != version) {
+        console.info(`Storage version changed: ${version} -> ${newVersion}`);
+    }
+}
+exports.init = init;
+
+
+exports.set_member = set_member;
+/**
+ * @param {string} id
+ * @param {MemberInfo} member
+ */
+async function set_member(id, member) {
+    await storage.setItem('member-' + id, member);
+}
+
+
+exports.get_member = get_member;
+/**
+ * @param {string} id
+ * @returns {Promise<MemberInfo>}
+ */
+async function get_member(id) {
+    /** @type {MemberInfo} */
+    const member = await storage.getItem('member-' + id) || {};
+    if (!member.name) member.name = '';
+    if (!member.description) member.description = '';
+}
+
+
+exports.delete_member = delete_member;
+async function delete_member(id) {
+    await storage.removeItem('member-' + id);
+}
+
+
+exports.set_network = set_network;
+/**
+ * @param {string} id
+ * @param {NetworkInfo} network
+ */
+async function set_network(id, network) {
+    await storage.setItem('network-' + id, network);
+}
+
+
+exports.get_network = get_network;
+/**
+ * @param {string} id
+ * @returns {Promise<NetworkInfo>}
+ */
+async function get_network(id) {
+    /** @type {NetworkInfo} */
+    const network = await storage.getItem('network-' + id) || {};
+    if (!network.rulesSource) network.rulesSource = '';
+    if (!network.description) network.description = '';
+}
+
+
+exports.delete_network = delete_network;
+async function delete_network(id) {
+    await storage.removeItem('network-' + id);
+}