diff --git a/circle/vm/migrations/0011_auto__del_field_node_num_cores__del_field_node_ram_size.py b/circle/vm/migrations/0011_auto__del_field_node_num_cores__del_field_node_ram_size.py
new file mode 100644
index 0000000..7d6dcca
--- /dev/null
+++ b/circle/vm/migrations/0011_auto__del_field_node_num_cores__del_field_node_ram_size.py
@@ -0,0 +1,305 @@
+# -*- coding: utf-8 -*-
+import datetime
+from south.db import db
+from south.v2 import SchemaMigration
+from django.db import models
+
+
+class Migration(SchemaMigration):
+
+    def forwards(self, orm):
+        # Deleting field 'Node.num_cores'
+        db.delete_column(u'vm_node', 'num_cores')
+
+        # Deleting field 'Node.ram_size'
+        db.delete_column(u'vm_node', 'ram_size')
+
+
+    def backwards(self, orm):
+        # Adding field 'Node.num_cores'
+        db.add_column(u'vm_node', 'num_cores',
+                      self.gf('django.db.models.fields.IntegerField')(default=1024),
+                      keep_default=False)
+
+        # Adding field 'Node.ram_size'
+        db.add_column(u'vm_node', 'ram_size',
+                      self.gf('django.db.models.fields.IntegerField')(default=1),
+                      keep_default=False)
+
+
+    models = {
+        u'acl.level': {
+            'Meta': {'unique_together': "(('content_type', 'codename'),)", 'object_name': 'Level'},
+            'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['contenttypes.ContentType']"}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '50'}),
+            'weight': ('django.db.models.fields.IntegerField', [], {'null': 'True'})
+        },
+        u'acl.objectlevel': {
+            'Meta': {'unique_together': "(('content_type', 'object_id', 'level'),)", 'object_name': 'ObjectLevel'},
+            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['contenttypes.ContentType']"}),
+            'groups': ('django.db.models.fields.related.ManyToManyField', [], {'to': u"orm['auth.Group']", 'symmetrical': 'False'}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'level': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['acl.Level']"}),
+            'object_id': ('django.db.models.fields.CharField', [], {'max_length': '255'}),
+            'users': ('django.db.models.fields.related.ManyToManyField', [], {'to': u"orm['auth.User']", 'symmetrical': 'False'})
+        },
+        u'auth.group': {
+            'Meta': {'object_name': 'Group'},
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '80'}),
+            'permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': u"orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'})
+        },
+        u'auth.permission': {
+            'Meta': {'ordering': "(u'content_type__app_label', u'content_type__model', u'codename')", 'unique_together': "((u'content_type', u'codename'),)", 'object_name': 'Permission'},
+            'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['contenttypes.ContentType']"}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
+        },
+        u'auth.user': {
+            'Meta': {'object_name': 'User'},
+            'date_joined': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+            'email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'blank': 'True'}),
+            'first_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
+            'groups': ('django.db.models.fields.related.ManyToManyField', [], {'to': u"orm['auth.Group']", 'symmetrical': 'False', 'blank': 'True'}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'is_staff': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'is_superuser': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'last_login': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+            'last_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
+            'password': ('django.db.models.fields.CharField', [], {'max_length': '128'}),
+            'user_permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': u"orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'}),
+            'username': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '30'})
+        },
+        u'contenttypes.contenttype': {
+            'Meta': {'ordering': "('name',)", 'unique_together': "(('app_label', 'model'),)", 'object_name': 'ContentType', 'db_table': "'django_content_type'"},
+            'app_label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'model': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})
+        },
+        u'firewall.domain': {
+            'Meta': {'object_name': 'Domain'},
+            'created_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
+            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'modified_at': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'blank': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '40'}),
+            'owner': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['auth.User']"}),
+            'ttl': ('django.db.models.fields.IntegerField', [], {'default': '600'})
+        },
+        u'firewall.group': {
+            'Meta': {'object_name': 'Group'},
+            'created_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
+            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'modified_at': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'blank': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '20'}),
+            'owner': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['auth.User']", 'null': 'True', 'blank': 'True'})
+        },
+        u'firewall.host': {
+            'Meta': {'object_name': 'Host'},
+            'comment': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
+            'created_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
+            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
+            'groups': ('django.db.models.fields.related.ManyToManyField', [], {'symmetrical': 'False', 'to': u"orm['firewall.Group']", 'null': 'True', 'blank': 'True'}),
+            'hostname': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '40'}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'ipv4': ('firewall.fields.IPAddressField', [], {'unique': 'True', 'max_length': '100'}),
+            'ipv6': ('firewall.fields.IPAddressField', [], {'max_length': '100', 'unique': 'True', 'null': 'True', 'blank': 'True'}),
+            'location': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
+            'mac': ('firewall.fields.MACAddressField', [], {'unique': 'True', 'max_length': '17'}),
+            'modified_at': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'blank': 'True'}),
+            'owner': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['auth.User']"}),
+            'pub_ipv4': ('firewall.fields.IPAddressField', [], {'max_length': '100', 'null': 'True', 'blank': 'True'}),
+            'reverse': ('django.db.models.fields.CharField', [], {'max_length': '40', 'null': 'True', 'blank': 'True'}),
+            'shared_ip': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'vlan': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['firewall.Vlan']"})
+        },
+        u'firewall.vlan': {
+            'Meta': {'object_name': 'Vlan'},
+            'comment': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
+            'created_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
+            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
+            'dhcp_pool': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
+            'domain': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['firewall.Domain']"}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'modified_at': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'blank': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '20'}),
+            'network4': ('firewall.fields.IPNetworkField', [], {'max_length': '100'}),
+            'network6': ('firewall.fields.IPNetworkField', [], {'max_length': '100', 'null': 'True', 'blank': 'True'}),
+            'owner': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['auth.User']", 'null': 'True', 'blank': 'True'}),
+            'reverse_domain': ('django.db.models.fields.TextField', [], {'default': "'%(d)d.%(c)d.%(b)d.%(a)d.in-addr.arpa'"}),
+            'snat_ip': ('django.db.models.fields.GenericIPAddressField', [], {'max_length': '39', 'null': 'True', 'blank': 'True'}),
+            'snat_to': ('django.db.models.fields.related.ManyToManyField', [], {'symmetrical': 'False', 'to': u"orm['firewall.Vlan']", 'null': 'True', 'blank': 'True'}),
+            'vid': ('django.db.models.fields.IntegerField', [], {'unique': 'True'})
+        },
+        u'storage.datastore': {
+            'Meta': {'ordering': "['name']", 'object_name': 'DataStore'},
+            'hostname': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '40'}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '100'}),
+            'path': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '200'})
+        },
+        u'storage.disk': {
+            'Meta': {'ordering': "['name']", 'object_name': 'Disk'},
+            'base': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'derivatives'", 'null': 'True', 'to': u"orm['storage.Disk']"}),
+            'created': ('model_utils.fields.AutoCreatedField', [], {'default': 'datetime.datetime.now'}),
+            'datastore': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['storage.DataStore']"}),
+            'destroyed': ('django.db.models.fields.DateTimeField', [], {'default': 'None', 'null': 'True', 'blank': 'True'}),
+            'dev_num': ('django.db.models.fields.CharField', [], {'default': "'a'", 'max_length': '1'}),
+            'filename': ('django.db.models.fields.CharField', [], {'max_length': '256'}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'modified': ('model_utils.fields.AutoLastModifiedField', [], {'default': 'datetime.datetime.now'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '100', 'blank': 'True'}),
+            'ready': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'size': ('sizefield.models.FileSizeField', [], {}),
+            'type': ('django.db.models.fields.CharField', [], {'max_length': '10'})
+        },
+        u'taggit.tag': {
+            'Meta': {'object_name': 'Tag'},
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '100'}),
+            'slug': ('django.db.models.fields.SlugField', [], {'unique': 'True', 'max_length': '100'})
+        },
+        u'taggit.taggeditem': {
+            'Meta': {'object_name': 'TaggedItem'},
+            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "u'taggit_taggeditem_tagged_items'", 'to': u"orm['contenttypes.ContentType']"}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'object_id': ('django.db.models.fields.IntegerField', [], {'db_index': 'True'}),
+            'tag': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "u'taggit_taggeditem_items'", 'to': u"orm['taggit.Tag']"})
+        },
+        u'vm.instance': {
+            'Meta': {'ordering': "['pk']", 'object_name': 'Instance'},
+            'access_method': ('django.db.models.fields.CharField', [], {'max_length': '10'}),
+            'active_since': ('django.db.models.fields.DateTimeField', [], {'null': 'True', 'blank': 'True'}),
+            'arch': ('django.db.models.fields.CharField', [], {'max_length': '10'}),
+            'boot_menu': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'created': ('model_utils.fields.AutoCreatedField', [], {'default': 'datetime.datetime.now'}),
+            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
+            'destroyed': ('django.db.models.fields.DateTimeField', [], {'null': 'True', 'blank': 'True'}),
+            'disks': ('django.db.models.fields.related.ManyToManyField', [], {'related_name': "'instance_set'", 'symmetrical': 'False', 'to': u"orm['storage.Disk']"}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'lease': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['vm.Lease']"}),
+            'max_ram_size': ('django.db.models.fields.IntegerField', [], {}),
+            'modified': ('model_utils.fields.AutoLastModifiedField', [], {'default': 'datetime.datetime.now'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '100', 'blank': 'True'}),
+            'node': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'instance_set'", 'null': 'True', 'to': u"orm['vm.Node']"}),
+            'num_cores': ('django.db.models.fields.IntegerField', [], {}),
+            'owner': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['auth.User']"}),
+            'priority': ('django.db.models.fields.IntegerField', [], {}),
+            'pw': ('django.db.models.fields.CharField', [], {'max_length': '20'}),
+            'ram_size': ('django.db.models.fields.IntegerField', [], {}),
+            'raw_data': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
+            'req_traits': ('django.db.models.fields.related.ManyToManyField', [], {'to': u"orm['vm.Trait']", 'symmetrical': 'False', 'blank': 'True'}),
+            'state': ('django.db.models.fields.CharField', [], {'default': "'NOSTATE'", 'max_length': '20'}),
+            'template': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'instance_set'", 'null': 'True', 'to': u"orm['vm.InstanceTemplate']"}),
+            'time_of_delete': ('django.db.models.fields.DateTimeField', [], {'default': 'None', 'null': 'True', 'blank': 'True'}),
+            'time_of_suspend': ('django.db.models.fields.DateTimeField', [], {'default': 'None', 'null': 'True', 'blank': 'True'}),
+            'vnc_port': ('django.db.models.fields.IntegerField', [], {'default': 'None', 'unique': 'True', 'null': 'True', 'blank': 'True'})
+        },
+        u'vm.instanceactivity': {
+            'Meta': {'ordering': "['-started', 'instance', '-id']", 'object_name': 'InstanceActivity'},
+            'activity_code': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'created': ('model_utils.fields.AutoCreatedField', [], {'default': 'datetime.datetime.now'}),
+            'finished': ('django.db.models.fields.DateTimeField', [], {'null': 'True', 'blank': 'True'}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'instance': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'activity_log'", 'to': u"orm['vm.Instance']"}),
+            'modified': ('model_utils.fields.AutoLastModifiedField', [], {'default': 'datetime.datetime.now'}),
+            'parent': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['vm.InstanceActivity']", 'null': 'True', 'blank': 'True'}),
+            'result': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}),
+            'started': ('django.db.models.fields.DateTimeField', [], {'null': 'True', 'blank': 'True'}),
+            'task_uuid': ('django.db.models.fields.CharField', [], {'max_length': '50', 'unique': 'True', 'null': 'True', 'blank': 'True'}),
+            'user': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['auth.User']", 'null': 'True', 'blank': 'True'})
+        },
+        u'vm.instancetemplate': {
+            'Meta': {'ordering': "['name']", 'object_name': 'InstanceTemplate'},
+            'access_method': ('django.db.models.fields.CharField', [], {'max_length': '10'}),
+            'arch': ('django.db.models.fields.CharField', [], {'max_length': '10'}),
+            'boot_menu': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'created': ('model_utils.fields.AutoCreatedField', [], {'default': 'datetime.datetime.now'}),
+            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
+            'disks': ('django.db.models.fields.related.ManyToManyField', [], {'related_name': "'template_set'", 'symmetrical': 'False', 'to': u"orm['storage.Disk']"}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'lease': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'template_set'", 'to': u"orm['vm.Lease']"}),
+            'max_ram_size': ('django.db.models.fields.IntegerField', [], {}),
+            'modified': ('model_utils.fields.AutoLastModifiedField', [], {'default': 'datetime.datetime.now'}),
+            'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '100'}),
+            'num_cores': ('django.db.models.fields.IntegerField', [], {}),
+            'parent': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['vm.InstanceTemplate']", 'null': 'True', 'blank': 'True'}),
+            'priority': ('django.db.models.fields.IntegerField', [], {}),
+            'ram_size': ('django.db.models.fields.IntegerField', [], {}),
+            'raw_data': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
+            'req_traits': ('django.db.models.fields.related.ManyToManyField', [], {'to': u"orm['vm.Trait']", 'symmetrical': 'False', 'blank': 'True'}),
+            'state': ('django.db.models.fields.CharField', [], {'default': "'NEW'", 'max_length': '10'}),
+            'system': ('django.db.models.fields.TextField', [], {'blank': 'True'})
+        },
+        u'vm.interface': {
+            'Meta': {'object_name': 'Interface'},
+            'host': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['firewall.Host']", 'null': 'True', 'blank': 'True'}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'instance': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'interface_set'", 'to': u"orm['vm.Instance']"}),
+            'vlan': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'vm_interface'", 'to': u"orm['firewall.Vlan']"})
+        },
+        u'vm.interfacetemplate': {
+            'Meta': {'object_name': 'InterfaceTemplate'},
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'managed': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'template': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'interface_set'", 'to': u"orm['vm.InstanceTemplate']"}),
+            'vlan': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['firewall.Vlan']"})
+        },
+        u'vm.lease': {
+            'Meta': {'ordering': "['name']", 'object_name': 'Lease'},
+            'delete_interval_seconds': ('django.db.models.fields.IntegerField', [], {}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '100'}),
+            'suspend_interval_seconds': ('django.db.models.fields.IntegerField', [], {})
+        },
+        u'vm.namedbaseresourceconfig': {
+            'Meta': {'object_name': 'NamedBaseResourceConfig'},
+            'arch': ('django.db.models.fields.CharField', [], {'max_length': '10'}),
+            'created': ('model_utils.fields.AutoCreatedField', [], {'default': 'datetime.datetime.now'}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'max_ram_size': ('django.db.models.fields.IntegerField', [], {}),
+            'modified': ('model_utils.fields.AutoLastModifiedField', [], {'default': 'datetime.datetime.now'}),
+            'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '50'}),
+            'num_cores': ('django.db.models.fields.IntegerField', [], {}),
+            'priority': ('django.db.models.fields.IntegerField', [], {}),
+            'ram_size': ('django.db.models.fields.IntegerField', [], {})
+        },
+        u'vm.node': {
+            'Meta': {'object_name': 'Node'},
+            'created': ('model_utils.fields.AutoCreatedField', [], {'default': 'datetime.datetime.now'}),
+            'enabled': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'host': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['firewall.Host']"}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'modified': ('model_utils.fields.AutoLastModifiedField', [], {'default': 'datetime.datetime.now'}),
+            'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '50'}),
+            'priority': ('django.db.models.fields.IntegerField', [], {}),
+            'traits': ('django.db.models.fields.related.ManyToManyField', [], {'to': u"orm['vm.Trait']", 'symmetrical': 'False', 'blank': 'True'})
+        },
+        u'vm.nodeactivity': {
+            'Meta': {'object_name': 'NodeActivity'},
+            'activity_code': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'created': ('model_utils.fields.AutoCreatedField', [], {'default': 'datetime.datetime.now'}),
+            'finished': ('django.db.models.fields.DateTimeField', [], {'null': 'True', 'blank': 'True'}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'modified': ('model_utils.fields.AutoLastModifiedField', [], {'default': 'datetime.datetime.now'}),
+            'node': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'activity_log'", 'to': u"orm['vm.Node']"}),
+            'parent': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['vm.NodeActivity']", 'null': 'True', 'blank': 'True'}),
+            'result': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}),
+            'started': ('django.db.models.fields.DateTimeField', [], {'null': 'True', 'blank': 'True'}),
+            'task_uuid': ('django.db.models.fields.CharField', [], {'max_length': '50', 'unique': 'True', 'null': 'True', 'blank': 'True'}),
+            'user': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['auth.User']", 'null': 'True', 'blank': 'True'})
+        },
+        u'vm.trait': {
+            'Meta': {'object_name': 'Trait'},
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
+        }
+    }
+
+    complete_apps = ['vm']
\ No newline at end of file
diff --git a/circle/vm/models.py b/circle/vm/models.py
index 56cf5d9..c7c90bc 100644
--- a/circle/vm/models.py
+++ b/circle/vm/models.py
@@ -103,11 +103,6 @@ class Node(TimeStampedModel):
     name = CharField(max_length=50, unique=True,
                      verbose_name=_('name'),
                      help_text=_('Human readable name of node.'))
-    num_cores = IntegerField(verbose_name=_('number of cores'),
-                             help_text=_('Number of CPU threads '
-                                         'available to the virtual machines.'))
-    ram_size = IntegerField(verbose_name=_('RAM size'),
-                            help_text=_('Mebibytes of memory.'))
     priority = IntegerField(verbose_name=_('priority'),
                             help_text=_('Node usage priority.'))
     host = ForeignKey(Host, verbose_name=_('host'),
@@ -130,6 +125,20 @@ class Node(TimeStampedModel):
         return self.remote_query(vm_tasks.get_num_cores, timeout=1,
                                  default=False)
 
+    @property
+    @method_cache(300)
+    def num_cores(self):
+        """Number of CPU threads available to the virtual machines."""
+
+        return self.remote_query(vm_tasks.get_num_cores)
+
+    @property
+    @method_cache(300)
+    def ram_size(self):
+        """Bytes of total memory in the node."""
+
+        return self.remote_query(vm_tasks.get_ram_size)
+
     def get_remote_queue_name(self, queue_id):
         return self.host.hostname + "." + queue_id
 
diff --git a/circle/vm/tasks/vm_tasks.py b/circle/vm/tasks/vm_tasks.py
index ba478ad..6dcce05 100644
--- a/circle/vm/tasks/vm_tasks.py
+++ b/circle/vm/tasks/vm_tasks.py
@@ -60,6 +60,17 @@ def domain_info(params):
 def list_domains(params):
     pass
 
+
 @celery.task(name='vmdriver.ping')
 def ping(params):
     pass
+
+
+@celery.task(name='vmdriver.get_core_num')
+def get_core_num(params):
+    pass
+
+
+@celery.task(name='vmdriver.get_ram_size')
+def get_ram_size(params):
+    pass