diff --git a/cmd/lotus-storage-miner/init.go b/cmd/lotus-storage-miner/init.go
index 03537d820..280123707 100644
--- a/cmd/lotus-storage-miner/init.go
+++ b/cmd/lotus-storage-miner/init.go
@@ -198,7 +198,7 @@ var initCmd = &cli.Command{
 				}
 
 				if err := ioutil.WriteFile(filepath.Join(lr.Path(), "sectorstore.json"), b, 0644); err != nil {
-					return xerrors.Errorf("persisting storage metadata (%s): %w", filepath.Join(lr.Path(), "storage.json"), err)
+					return xerrors.Errorf("persisting storage metadata (%s): %w", filepath.Join(lr.Path(), "sectorstore.json"), err)
 				}
 			}
 
diff --git a/cmd/lotus-storage-miner/main.go b/cmd/lotus-storage-miner/main.go
index 8399268ea..4549332e0 100644
--- a/cmd/lotus-storage-miner/main.go
+++ b/cmd/lotus-storage-miner/main.go
@@ -29,6 +29,7 @@ func main() {
 		rewardsCmd,
 		runCmd,
 		sectorsCmd,
+		storageCmd,
 		setPriceCmd,
 	}
 	jaeger := tracing.SetupJaegerTracing("lotus")
diff --git a/cmd/lotus-storage-miner/storage.go b/cmd/lotus-storage-miner/storage.go
new file mode 100644
index 000000000..22ea2c214
--- /dev/null
+++ b/cmd/lotus-storage-miner/storage.go
@@ -0,0 +1,99 @@
+package main
+
+import (
+	"encoding/json"
+	"io/ioutil"
+	"os"
+	"path/filepath"
+
+	"github.com/google/uuid"
+	"github.com/mitchellh/go-homedir"
+	"golang.org/x/xerrors"
+	"gopkg.in/urfave/cli.v2"
+
+	lcli "github.com/filecoin-project/lotus/cli"
+	"github.com/filecoin-project/lotus/node/config"
+)
+
+const metaFile = "sectorstore.json"
+
+var storageCmd = &cli.Command{
+	Name:  "storage",
+	Usage: "manage sector storage",
+	Subcommands: []*cli.Command{
+		storageAttachCmd,
+	},
+}
+
+var storageAttachCmd = &cli.Command{
+	Name:  "attach",
+	Usage: "attach local storage path",
+	Flags: []cli.Flag{
+		&cli.BoolFlag{
+			Name: "init",
+			Usage: "initialize the path first",
+		},
+		&cli.Uint64Flag{
+			Name: "weight",
+			Usage: "(for init) path weight",
+			Value: 10,
+		},
+		&cli.BoolFlag{
+			Name: "seal",
+			Usage: "(for init) use path for sealing",
+		},
+		&cli.BoolFlag{
+			Name: "store",
+			Usage: "(for init) use path for long-term storage",
+		},
+	},
+	Action: func(cctx *cli.Context) error {
+		nodeApi, closer, err := lcli.GetStorageMinerAPI(cctx)
+		if err != nil {
+			return err
+		}
+		defer closer()
+		ctx := lcli.ReqContext(cctx)
+
+		if !cctx.Args().Present() {
+			return xerrors.Errorf("must specify storage path to attach")
+		}
+
+		p, err := homedir.Expand(cctx.Args().First())
+		if err != nil {
+			return xerrors.Errorf("expanding path: %w", err)
+		}
+
+		if cctx.Bool("init") {
+			_, err := os.Stat(filepath.Join(p, metaFile))
+			if !os.IsNotExist(err) {
+				if err == nil {
+					return xerrors.Errorf("path is already initialized")
+				}
+				return err
+			}
+
+			cfg := &config.StorageMeta{
+				ID:       uuid.New().String(),
+				Weight:   cctx.Uint64("weight"),
+				CanSeal:  cctx.Bool("seal"),
+				CanStore: cctx.Bool("store"),
+			}
+
+			if !(cfg.CanStore || cfg.CanSeal) {
+				return xerrors.Errorf("must specify at least one of --store of --seal")
+			}
+
+			b, err := json.MarshalIndent(cfg, "", "  ")
+			if err != nil {
+				return xerrors.Errorf("marshaling storage config: %w", err)
+			}
+
+			if err := ioutil.WriteFile(filepath.Join(p, metaFile), b, 0644); err != nil {
+				return xerrors.Errorf("persisting storage metadata (%s): %w", filepath.Join(p, metaFile), err)
+			}
+		}
+
+		return nodeApi.StorageAddLocal(ctx, p)
+	},
+}