switch tag {
	case xsftp.AcceptNetworkError:
		sftpLogOnceIf(context.Background(), err, "accept-limit-sftp")
	case xsftp.AcceptChannelError:
		sftpLogOnceIf(context.Background(), err, "accept-channel-sftp")
	case xsftp.SSHKeyExchangeError:
		sftpLogOnceIf(context.Background(), err, "key-exchange-sftp")
	default:
		sftpLogOnceIf(context.Background(), err, "unknown-error-sftp")
	}
}

}

func (target *ElasticsearchTarget) initElasticsearch() error {
	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
	defer cancel()

	err := target.checkAndInitClient(ctx)
	if err != nil {
		if err != store.ErrNotConnected {
			target.loggerOnce(context.Background(), err, target.ID().String())
		}
		return err
	}

	return nil
}

	}))

	// local to remote
	remoteConn := local.Connection(remoteHost)
	remoteConn.WaitForConnect(context.Background())
	defer testlogger.T.SetErrorTB(t)()

	t.Run("localToRemote", func(t *testing.T) {
		const testPayload = "Hello Grid World!"

		start := time.Now()
		resp, err := remoteConn.Request(context.Background(), handlerTest, []byte(testPayload))
		errFatal(err)
		if string(resp) != testPayload {

		buffer := make([]byte, len(data), 2*len(data))
		copy(buffer, data)

		erasure, err := NewErasure(context.Background(), test.dataBlocks, test.parityBlocks, blockSizeV2)
		if err != nil {
			t.Fatalf("Test %d: failed to create erasure: %v", i, err)
		}
		encoded, err := erasure.EncodeData(context.Background(), buffer)
		if err != nil {
			t.Fatalf("Test %d: failed to encode data: %v", i, err)
		}

	return token.SignedString([]byte(secretKey))
}

// Tests web request authenticator.
func TestWebRequestAuthenticate(t *testing.T) {
	ctx, cancel := context.WithCancel(context.Background())
	defer cancel()

	obj, fsDir, err := prepareFS(ctx)
	if err != nil {
		t.Fatal(err)
	}
	defer os.RemoveAll(fsDir)
	if err = newTestConfig(globalMinioDefaultRegion, obj); err != nil {
		t.Fatal(err)
	}

func TestListOnlineDisks(t *testing.T) {
	ctx, cancel := context.WithCancel(context.Background())
	defer cancel()

	obj, disks, err := prepareErasure16(ctx)
	if err != nil {
		t.Fatalf("Prepare Erasure backend failed - %v", err)
	}
	setObjectLayer(obj)
	defer obj.Shutdown(context.Background())
	defer removeRoots(disks)

	type tamperKind int
	const (
		noTamper tamperKind = iota

	err = obj.MakeBucket(context.Background(), bucket, MakeBucketOptions{})
	if err != nil {
		// failed to create newbucket, abort.
		t.Fatalf("%s : %s", instanceType, err.Error())
	}

	res, err := obj.NewMultipartUpload(context.Background(), bucket, "\\", opts)
	if err != nil {
		t.Fatalf("%s : %s", instanceType, err.Error())
	}

	err = obj.AbortMultipartUpload(context.Background(), bucket, "\\", res.UploadID, opts)

		clientToken = fmt.Sprintf("%s:%d", h.clientToken, GetProxyEndpointLocalIndex(globalProxyEndpoints))
	}

	if h.clientToken == bgHealingUUID {
		// For background heal do nothing, do not spawn an unnecessary goroutine.
	} else {
		// Launch top-level background heal go-routine
		go h.healSequenceStart(objAPI)
	}

	b, err := json.Marshal(madmin.HealStartSuccess{
		ClientToken:   clientToken,

		return nil, err
	}

	// We do not want Gets to take so much time, anything
	// beyond 250ms we should cut it, remote cache is too
	// busy already.
	ctx, cancel := context.WithTimeout(context.Background(), 250*time.Millisecond)
	defer cancel()

	req, err := http.NewRequestWithContext(ctx, http.MethodPost, c.Endpoint+mcacheV1Check, bytes.NewReader(buf))
	if err != nil {
		return nil, err
	}

	b = append(b, crc...)
	if c.Type.Is(ChecksumMultipart) {
		var checksums int
		// Ensure we don't divide by 0:
		if c.Type.RawByteLen() == 0 || len(parts)%c.Type.RawByteLen() != 0 {
			hashLogIf(context.Background(), fmt.Errorf("internal error: Unexpected checksum length: %d, each checksum %d", len(parts), c.Type.RawByteLen()))
			checksums = 0
			parts = nil
		} else {
			checksums = len(parts) / c.Type.RawByteLen()
		}