diff --git a/api/api_storage.go b/api/api_storage.go
index ba6efc93c..6b3705b79 100644
--- a/api/api_storage.go
+++ b/api/api_storage.go
@@ -124,6 +124,8 @@ type StorageMiner interface {
 
 	DealsImportData(ctx context.Context, dealPropCid cid.Cid, file string) error
 	DealsList(ctx context.Context) ([]storagemarket.StorageDeal, error)
+
+	StorageAddLocal(ctx context.Context, path string) error
 }
 
 type SealRes struct {
diff --git a/api/apistruct/struct.go b/api/apistruct/struct.go
index 8fb9ddfa8..e11a89aab 100644
--- a/api/apistruct/struct.go
+++ b/api/apistruct/struct.go
@@ -180,6 +180,8 @@ type StorageMinerStruct struct {
 
 		DealsImportData func(ctx context.Context, dealPropCid cid.Cid, file string) error `perm:"write"`
 		DealsList       func(ctx context.Context) ([]storagemarket.StorageDeal, error)    `perm:"read"`
+
+		StorageAddLocal func(ctx context.Context, path string) error `perm:"admin"`
 	}
 }
 
@@ -645,6 +647,10 @@ func (c *StorageMinerStruct) DealsList(ctx context.Context) ([]storagemarket.Sto
 	return c.Internal.DealsList(ctx)
 }
 
+func (c *StorageMinerStruct) StorageAddLocal(ctx context.Context, path string) error {
+	return c.Internal.StorageAddLocal(ctx, path)
+}
+
 var _ api.Common = &CommonStruct{}
 var _ api.FullNode = &FullNodeStruct{}
 var _ api.StorageMiner = &StorageMinerStruct{}
diff --git a/node/impl/storminer.go b/node/impl/storminer.go
index 372211738..150f25130 100644
--- a/node/impl/storminer.go
+++ b/node/impl/storminer.go
@@ -21,6 +21,7 @@ import (
 	"github.com/filecoin-project/lotus/chain/types"
 	"github.com/filecoin-project/lotus/miner"
 	"github.com/filecoin-project/lotus/storage"
+	"github.com/filecoin-project/lotus/storage/sealmgr/advmgr"
 	"github.com/filecoin-project/lotus/storage/sectorblocks"
 )
 
@@ -35,6 +36,7 @@ type StorageMinerAPI struct {
 	Miner           *storage.Miner
 	BlockMiner      *miner.Miner
 	Full            api.FullNode
+	StorageMgr *advmgr.Manager `optional:"true"`
 }
 
 func (sm *StorageMinerAPI) ServeRemote(w http.ResponseWriter, r *http.Request) {
@@ -300,4 +302,12 @@ func (sm *StorageMinerAPI) DealsImportData(ctx context.Context, deal cid.Cid, fn
 	return sm.StorageProvider.ImportDataForDeal(ctx, deal, fi)
 }
 
+func (sm *StorageMinerAPI) StorageAddLocal(ctx context.Context, path string) error {
+	if sm.StorageMgr == nil {
+		return xerrors.Errorf("no storage manager")
+	}
+
+	return sm.StorageMgr.AddLocalStorage(path)
+}
+
 var _ api.StorageMiner = &StorageMinerAPI{}
diff --git a/node/modules/services.go b/node/modules/services.go
index 49bc4e5ae..cac24391b 100644
--- a/node/modules/services.go
+++ b/node/modules/services.go
@@ -71,7 +71,7 @@ func HandleIncomingBlocks(mctx helpers.MetricsCtx, lc fx.Lifecycle, ps *pubsub.P
 func HandleIncomingMessages(mctx helpers.MetricsCtx, lc fx.Lifecycle, ps *pubsub.PubSub, mpool *messagepool.MessagePool) {
 	ctx := helpers.LifecycleCtx(mctx, lc)
 
-	msgsub, err := ps.Subscribe(build.BlocksTopic)
+	msgsub, err := ps.Subscribe(build.MessagesTopic)
 	if err != nil {
 		panic(err)
 	}
diff --git a/node/node_test.go b/node/node_test.go
index b97809b2e..2b5ac072d 100644
--- a/node/node_test.go
+++ b/node/node_test.go
@@ -6,13 +6,10 @@ import (
 	"crypto/rand"
 	"io/ioutil"
 	"net/http/httptest"
-	"path/filepath"
 	"testing"
 	"time"
 
 	"github.com/ipfs/go-datastore"
-	"github.com/ipfs/go-datastore/namespace"
-	badger "github.com/ipfs/go-ds-badger2"
 	logging "github.com/ipfs/go-log/v2"
 	"github.com/libp2p/go-libp2p-core/crypto"
 	"github.com/libp2p/go-libp2p-core/peer"
@@ -39,11 +36,12 @@ import (
 	"github.com/filecoin-project/lotus/lib/jsonrpc"
 	"github.com/filecoin-project/lotus/miner"
 	"github.com/filecoin-project/lotus/node"
-	"github.com/filecoin-project/lotus/node/impl"
 	"github.com/filecoin-project/lotus/node/modules"
 	modtest "github.com/filecoin-project/lotus/node/modules/testing"
 	"github.com/filecoin-project/lotus/node/repo"
 	"github.com/filecoin-project/lotus/storage/sbmock"
+	"github.com/filecoin-project/lotus/storage/sealmgr"
+	"github.com/filecoin-project/lotus/storage/sealmgr/advmgr"
 )
 
 func init() {
@@ -240,40 +238,24 @@ func builder(t *testing.T, nFull int, storage []int) ([]test.TestNode, []test.Te
 
 		f := fulls[full]
 		if _, err := f.FullNode.WalletImport(ctx, &keys[i].KeyInfo); err != nil {
-			return nil, nil
+			t.Fatal(err)
 		}
 		if err := f.FullNode.WalletSetDefault(ctx, keys[i].Address); err != nil {
-			return nil, nil
+			t.Fatal(err)
 		}
 
 		genMiner := maddrs[i]
 		wa := genms[i].Worker
 
 		storers[i] = testStorageNode(ctx, t, wa, genMiner, pk, f, mn, node.Options())
-
-		sma := storers[i].StorageMiner.(*impl.StorageMinerAPI)
-
-		psd := presealDirs[i]
-		mds, err := badger.NewDatastore(filepath.Join(psd, "badger"), nil)
-		if err != nil {
-			t.Fatal(err)
-		}
-
-		osb, err := sectorbuilder.New(&sectorbuilder.Config{
-			SealProofType: abi.RegisteredProof_StackedDRG2KiBSeal,
-			PoStProofType: abi.RegisteredProof_StackedDRG2KiBPoSt,
-			WorkerThreads: 2,
-			Miner:         genMiner,
-			Paths:         sectorbuilder.SimplePath(psd),
-		}, namespace.Wrap(mds, datastore.NewKey("/sectorbuilder")))
-		if err != nil {
-			t.Fatal(err)
-		}
-
-		if err := sma.SectorBuilder.(*sectorbuilder.SectorBuilder).ImportFrom(osb, false); err != nil {
+		if err := storers[i].StorageAddLocal(ctx, presealDirs[i]); err != nil {
 			t.Fatal(err)
 		}
+		/*
+			sma := storers[i].StorageMiner.(*impl.StorageMinerAPI)
 
+			psd := presealDirs[i]
+		*/
 	}
 
 	if err := mn.LinkAll(); err != nil {
@@ -394,7 +376,10 @@ func mockSbBuilder(t *testing.T, nFull int, storage []int) ([]test.TestNode, []t
 		wa := genms[i].Worker
 
 		storers[i] = testStorageNode(ctx, t, wa, genMiner, pk, f, mn, node.Options(
-			node.Override(new(sectorbuilder.Interface), sbmock.NewMockSectorBuilder(5, build.SectorSizes[0])),
+			node.Override(new(sealmgr.Manager), func() (sealmgr.Manager, error) {
+				return sealmgr.NewSimpleManager(nil, genMiner, sbmock.NewMockSectorBuilder(5, build.SectorSizes[0]))
+			}),
+			node.Unset(new(*advmgr.Manager)),
 		))
 	}
 
diff --git a/node/repo/memrepo.go b/node/repo/memrepo.go
index d1b491831..ddc283bee 100644
--- a/node/repo/memrepo.go
+++ b/node/repo/memrepo.go
@@ -1,10 +1,13 @@
 package repo
 
 import (
+	"encoding/json"
 	"io/ioutil"
 	"os"
+	"path/filepath"
 	"sync"
 
+	"github.com/google/uuid"
 	"github.com/ipfs/go-datastore"
 	"github.com/ipfs/go-datastore/namespace"
 	dssync "github.com/ipfs/go-datastore/sync"
@@ -40,7 +43,9 @@ type lockedMemRepo struct {
 }
 
 func (lmem *lockedMemRepo) GetStorage() (config.StorageConfig, error) {
-	panic("implement me")
+	return config.StorageConfig{StoragePaths: []config.LocalPath{
+		{Path: lmem.Path()},
+	}}, nil
 }
 
 func (lmem *lockedMemRepo) SetStorage(config.StorageConfig) error {
@@ -48,14 +53,45 @@ func (lmem *lockedMemRepo) SetStorage(config.StorageConfig) error {
 }
 
 func (lmem *lockedMemRepo) Path() string {
+	lmem.Lock()
+	defer lmem.Unlock()
+
+	if lmem.tempDir != "" {
+		return lmem.tempDir
+	}
+
 	t, err := ioutil.TempDir(os.TempDir(), "lotus-memrepo-temp-")
 	if err != nil {
 		panic(err) // only used in tests, probably fine
 	}
 
-	lmem.Lock()
+	if lmem.t == StorageMiner {
+		if err := config.WriteStorageFile(filepath.Join(t, fsStorageConfig), config.StorageConfig{
+			StoragePaths: []config.LocalPath{
+				{Path: t},
+			}}); err != nil {
+			panic(err)
+		}
+
+		b, err := json.MarshalIndent(&config.StorageMeta{
+			ID:       uuid.New().String(),
+			Weight:   10,
+			CanSeal:  true,
+			CanStore: true,
+		}, "", "  ")
+		if err != nil {
+			panic(err)
+		}
+
+		if err := ioutil.WriteFile(filepath.Join(t, "sectorstore.json"), b, 0644); err != nil {
+			panic(err)
+		}
+	}
+
+
+
+
 	lmem.tempDir = t
-	lmem.Unlock()
 	return t
 }
 
diff --git a/storage/sbmock/sbmock_test.go b/storage/sbmock/sbmock_test.go
index d76efa375..6bfe9e062 100644
--- a/storage/sbmock/sbmock_test.go
+++ b/storage/sbmock/sbmock_test.go
@@ -20,7 +20,7 @@ func TestOpFinish(t *testing.T) {
 
 	finished := make(chan struct{})
 	go func() {
-		_, _, err := sb.SealPreCommit(ctx, sid, abi.SealRandomness{}, pieces)
+		_, err := sb.SealPreCommit1(ctx, sid, abi.SealRandomness{}, pieces)
 		if err != nil {
 			t.Error(err)
 			return
diff --git a/storage/sealmgr/advmgr/manager.go b/storage/sealmgr/advmgr/manager.go
index bbe241c1d..cbc3dfb97 100644
--- a/storage/sealmgr/advmgr/manager.go
+++ b/storage/sealmgr/advmgr/manager.go
@@ -5,6 +5,7 @@ import (
 	"io"
 
 	"github.com/ipfs/go-cid"
+	"github.com/mitchellh/go-homedir"
 	"golang.org/x/xerrors"
 
 	"github.com/filecoin-project/go-address"
@@ -84,6 +85,25 @@ func New(ls LocalStorage, cfg *sectorbuilder.Config, sc SectorIDCounter) (*Manag
 	return m, nil
 }
 
+func (m *Manager) AddLocalStorage(path string) error {
+	path, err := homedir.Expand(path)
+	if err != nil {
+		return xerrors.Errorf("expanding local path: %w", err)
+	}
+
+	if err := m.storage.openPath(path); err != nil {
+		return xerrors.Errorf("opening local path: %w", err)
+	}
+
+	sc, err := m.storage.localStorage.GetStorage()
+	if err != nil {
+		return xerrors.Errorf("get storage config: %w", err)
+	}
+
+	sc.StoragePaths = append(sc.StoragePaths, config.LocalPath{Path: path})
+	return nil
+}
+
 func (m *Manager) SectorSize() abi.SectorSize {
 	sz, _ := m.scfg.SealProofType.SectorSize()
 	return sz
diff --git a/storage/sealmgr/advmgr/storage.go b/storage/sealmgr/advmgr/storage.go
index cb5533c21..564935942 100644
--- a/storage/sealmgr/advmgr/storage.go
+++ b/storage/sealmgr/advmgr/storage.go
@@ -34,7 +34,19 @@ type path struct {
 	sectors map[abi.SectorID]sectorbuilder.SectorFileType
 }
 
-func openPath(p string, meta config.StorageMeta) (path, error) {
+func (st *storage) openPath(p string) error {
+	mb, err := ioutil.ReadFile(filepath.Join(p, metaFile))
+	if err != nil {
+		return xerrors.Errorf("reading storage metadata for %s: %w", p, err)
+	}
+
+	var meta config.StorageMeta
+	if err := json.Unmarshal(mb, &meta); err != nil {
+		return xerrors.Errorf("unmarshalling storage metadata for %s: %w", p, err)
+	}
+
+	// TODO: Check existing / dedupe
+
 	out := path{
 		meta:    meta,
 		local:   p,
@@ -46,25 +58,27 @@ func openPath(p string, meta config.StorageMeta) (path, error) {
 		if err != nil {
 			if os.IsNotExist(err) {
 				if err := os.MkdirAll(filepath.Join(p, t.String()), 0755); err != nil {
-					return path{}, xerrors.Errorf("mkdir '%s': %w", filepath.Join(p, t.String()), err)
+					return xerrors.Errorf("mkdir '%s': %w", filepath.Join(p, t.String()), err)
 				}
 
 				continue
 			}
-			return path{}, xerrors.Errorf("listing %s: %w", filepath.Join(p, t.String()), err)
+			return xerrors.Errorf("listing %s: %w", filepath.Join(p, t.String()), err)
 		}
 
 		for _, ent := range ents {
 			sid, err := parseSectorID(ent.Name())
 			if err != nil {
-				return path{}, xerrors.Errorf("parse sector id %s: %w", ent.Name(), err)
+				return xerrors.Errorf("parse sector id %s: %w", ent.Name(), err)
 			}
 
 			out.sectors[sid] |= t
 		}
 	}
 
-	return out, nil
+	st.paths = append(st.paths, out)
+
+	return nil
 }
 
 func (st *storage) open() error {
@@ -81,22 +95,10 @@ func (st *storage) open() error {
 	}
 
 	for _, path := range cfg.StoragePaths {
-		mb, err := ioutil.ReadFile(filepath.Join(path.Path, metaFile))
-		if err != nil {
-			return xerrors.Errorf("reading storage metadata for %s: %w", path.Path, err)
-		}
-
-		var meta config.StorageMeta
-		if err := json.Unmarshal(mb, &meta); err != nil {
-			return xerrors.Errorf("unmarshalling storage metadata for %s: %w", path.Path, err)
-		}
-
-		pi, err := openPath(path.Path, meta)
+		err := st.openPath(path.Path)
 		if err != nil {
 			return xerrors.Errorf("opening path %s: %w", path.Path, err)
 		}
-
-		st.paths = append(st.paths, pi)
 	}
 
 	return nil