}
		}
	}

	// Simulate scanner removing free-version
	freefi := newtierfi
	for _, fvID := range fvIDs {
		freefi.VersionID = fvID
		_, err = xl.DeleteVersion(freefi)
		fatalErr(err)
	}
	report()

	// Check number of free-versions
	freeVersions, err = xl.listFreeVersions(newtierfi.Volume, newtierfi.Name)
	if err != nil {

			Size: int64(len(file.Body)),
		}
		if err := tw.WriteHeader(hdr); err != nil {
			log.Fatal(err)
		}
		if _, err := tw.Write([]byte(file.Body)); err != nil {
			log.Fatal(err)
		}
	}
	if err := tw.Close(); err != nil {
		log.Fatal(err)
	}

	// Open and iterate through the files in the archive.
	tr := tar.NewReader(&buf)
	for {
		hdr, err := tr.Next()
		if err == io.EOF {
			break // End of archive
		}

	timeoutCtx, cancel := context.WithTimeout(ctx, defaultContextTimeout)
	defer cancel()
	lease, err := client.Grant(timeoutCtx, ttl)
	if err != nil {
		return etcdErrToErr(err, client.Endpoints())
	}
	_, err = client.Put(timeoutCtx, key, string(data), etcd.WithLease(lease.ID))
	etcdLogIf(ctx, err)
	return etcdErrToErr(err, client.Endpoints())
}

func (config *TierConfigMgr) Remove(ctx context.Context, tier string, force bool) error {
	d, err := config.getDriver(ctx, tier)
	if err != nil {
		if errors.Is(err, errTierNotFound) {
			return nil
		}
		return err
	}
	if !force {
		if inuse, err := d.InUse(ctx); err != nil {
			return err
		} else if inuse {
			return errTierBackendNotEmpty
		}
	}
	config.Lock()

	for _, f := range files {
		err := os.MkdirAll(filepath.Dir(filepath.Join(base, bucket, f.name)), os.ModePerm)
		if err != nil {
			t.Fatal(err)
		}
		err = os.WriteFile(filepath.Join(base, bucket, f.name), make([]byte, f.size), os.ModePerm)
		if err != nil {
			t.Fatal(err)
		}
	}
}

		host, port, err := net.SplitHostPort(addr)
		if err != nil {
			return nil, err
		}

		if net.ParseIP(host) != nil {
			// For IP only setups there is no need for DNS lookups.
			return baseDialCtx(ctx, "tcp", addr)
		}

		ips, err := lookupHost(ctx, host)
		if err != nil {
			return nil, err
		}

		for _, ip := range ips {

}

func (r *respBodyMonitor) Read(p []byte) (n int, err error) {
	n, err = r.ReadCloser.Read(p)
	r.errorStatus(err)
	return
}

func (r *respBodyMonitor) Close() (err error) {
	err = r.ReadCloser.Close()
	r.errorStatus(err)
	return
}

func (r *respBodyMonitor) errorStatus(err error) {
	if xnet.IsNetworkOrHostDown(err, r.expectTimeouts) {
		r.errorStatusOnce.Do(func() {

	}
}

func (m *muxClient) pong(msg pongMsg) {
	if msg.NotFound || msg.Err != nil {
		err := errors.New("remote terminated call")
		if msg.Err != nil {
			err = fmt.Errorf("remove pong failed: %v", &msg.Err)
		}
		m.addResponse(Response{Err: err})
		return
	}
	atomic.StoreInt64(&m.LastPong, time.Now().UnixNano())
}

		s.accessKey, s.secretKey, s.signer)
	c.Assert(err, nil)

	response, err = s.client.Do(request)
	c.Assert(err, nil)
	c.Assert(response.StatusCode, http.StatusOK)

	bucketPolicyReadBuf, err := io.ReadAll(response.Body)
	c.Assert(err, nil)
	// Verify if downloaded policy matches with previously uploaded.

	}
}

// Tests lock and unlock semantics.
func TestLockAndUnlock(t *testing.T) {
	f, err := os.CreateTemp("", "lock")
	if err != nil {
		t.Fatal(err)
	}
	f.Close()
	defer func() {
		err = os.Remove(f.Name())
		if err != nil {
			t.Fatal(err)
		}
	}()

	// lock the file
	l, err := LockedOpenFile(f.Name(), os.O_WRONLY, 0o600)
	if err != nil {
		t.Fatal(err)
	}