// Read expected hash...
		h.Reset()
		n, err := io.ReadFull(r, hashBuf)
		if err != nil {
			// Read's failed for object with right size, file is corrupt.
			return err
		}
		// Subtract hash length..
		left -= int64(n)
		if left < shardSize {
			shardSize = left
		}

		read, err := io.CopyBuffer(h, io.LimitReader(r, shardSize), *bufp)
		if err != nil {

}

func (m *warmBackendMinIO) PutWithMeta(ctx context.Context, object string, r io.Reader, length int64, meta map[string]string) (remoteVersionID, error) {
	partSize, err := optimalPartSize(length)
	if err != nil {
		return remoteVersionID(""), err
	}
	res, err := m.client.PutObject(ctx, m.Bucket, m.getDest(object), r, length, minio.PutObjectOptions{
		StorageClass:         m.StorageClass,
		PartSize:             uint64(partSize),

		// send signal to various go-routines that they need to quit.
		cancelGlobalContext()

		if httpServer := newHTTPServerFn(); httpServer != nil {
			if err := httpServer.Shutdown(); err != nil && !errors.Is(err, http.ErrServerClosed) {
				shutdownLogIf(context.Background(), err)
			}
		}

		if objAPI := newObjectLayerFn(); objAPI != nil {
			shutdownLogIf(context.Background(), objAPI.Shutdown(context.Background()))
		}

	cred2 := auth.Credentials{
		AccessKey: "minio",
		SecretKey: "minio1234",
	}

	data := []byte(`config data`)
	edata1, err := madmin.EncryptData(cred1.String(), data)
	if err != nil {
		t.Fatal(err)
	}

	edata2, err := madmin.EncryptData(cred2.String(), data)
	if err != nil {
		t.Fatal(err)
	}

	tests := []struct {
		edata   []byte
		cred    auth.Credentials
		success bool
	}{
		{edata1, cred1, true},

	disk, err := newStorageAPI(endpoint, storageOpts{
		cleanUp:     false,
		healthCheck: false,
	})
	if err != nil {
		return nil, nil, err
	}

	format, err := loadFormatErasure(disk, false)
	if err != nil {
		disk.Close()
		return nil, nil, fmt.Errorf("Drive: %s returned %w", disk, err) // make sure to '%w' to wrap the error
	}

	disk.Close()

	for i, test := range erasureEncodeTests {
		setup, err := newErasureTestSetup(t, test.dataBlocks, test.onDisks-test.dataBlocks, test.blocksize)
		if err != nil {
			t.Fatalf("Test %d: failed to create test setup: %v", i, err)
		}
		disks := setup.disks
		erasure, err := NewErasure(t.Context(), test.dataBlocks, test.onDisks-test.dataBlocks, test.blocksize)
		if err != nil {

			xl, err := best.xlmeta()
			if err == nil {
				versions = append(versions, xl.versions)
			}
			for _, idx := range toMerge {
				other := top[idx]
				if other == nil {
					continue
				}
				xl2, err := other.xlmeta()
				if err != nil {
					if err := selectFrom(idx); err != nil {
						return err
					}
					continue
				}
				if xl == nil {

			mw := msgp.NewWriter(w)
			n, err := mw.Write(data[:])
			if err != nil {
				w.CloseWithError(err)
				return
			}
			if n != len(data) {
				w.CloseWithError(io.ErrShortWrite)
				return
			}
			for item := range m.opCh {
				err = item.EncodeMsg(mw)
				if err != nil {
					break
				}
			}
			mw.Flush()
			w.CloseWithError(err)
		}()
		return r
	}

			if err != nil {
				t.Log(oi)
				t.Fatalf("%s : %s", instanceType, err.Error())
			}
		}

		oi, err := obj.DeleteObject(context.Background(), testCase.bucketName, testCase.pathToDelete, ObjectOptions{})
		if err != nil && !isErrObjectNotFound(err) {
			t.Log(oi)
			t.Errorf("Test %d: %s:  Expected to pass, but failed with: <ERROR> %s", i+1, instanceType, err)
			continue
		}

		if err != nil {
			err = msgp.WrapError(err, "TargetsMap")
			return
		}
		err = za0002.EncodeMsg(en)
		if err != nil {
			err = msgp.WrapError(err, "TargetsMap", za0001)
			return
		}
	}
	// write "id"
	err = en.Append(0xa2, 0x69, 0x64)
	if err != nil {
		return
	}
	err = en.WriteInt(z.ID)
	if err != nil {
		err = msgp.WrapError(err, "ID")
		return
	}
	// write "lu"