}

		if i > 3 {
			// Simulate transition of a version
			transfi := fi
			transfi.TransitionStatus = lifecycle.TransitionComplete
			transfi.TransitionTier = "MINIO-TIER"
			transfi.TransitionedObjName = mustGetUUID()
			xl.DeleteVersion(transfi)

			fi.SetTierFreeVersionID(mustGetUUID())
			// delete this version leading to a free version
			xl.DeleteVersion(fi)

			}
		case errors.Is(err, kes.ErrKeyExists):
			apiErr = APIError{
				Code:           "XMinioKMSKeyExists",
				Description:    err.Error(),
				HTTPStatusCode: http.StatusConflict,
			}

		// Tier admin API errors
		case errors.Is(err, madmin.ErrTierNameEmpty):
			apiErr = APIError{
				Code:           "XMinioAdminTierNameEmpty",
				Description:    err.Error(),
				HTTPStatusCode: http.StatusBadRequest,
			}

)

var (
	// error returned when remote tier already exists
	errTierAlreadyExists = AdminError{
		Code:       "XMinioAdminTierAlreadyExists",
		Message:    "Specified remote tier already exists",
		StatusCode: http.StatusConflict,
	}
	// error returned when remote tier is not found
	errTierNotFound = AdminError{
		Code:       "XMinioAdminTierNotFound",
		Message:    "Specified remote tier was not found",
		StatusCode: http.StatusNotFound,

	case madmin.Azure:
		d, err = newWarmBackendAzure(*tier.Azure, tier.Name)
	case madmin.GCS:
		d, err = newWarmBackendGCS(*tier.GCS, tier.Name)
	case madmin.MinIO:
		d, err = newWarmBackendMinIO(*tier.MinIO, tier.Name)
	default:
		return nil, errTierTypeUnsupported
	}
	if err != nil {
		return nil, errTierTypeUnsupported
	}

	if probe {
		if err = checkWarmBackend(ctx, d); err != nil {
			return nil, err

	os.TransitionTier = info.Tier
	os.TransitionStatus = info.Status
	os.RemoteObject = info.Name
	os.TransitionVersionID = info.VersionID
}

// shouldRemoveRemoteObject determines if a transitioned object should be
// removed from remote tier. If remote object is to be deleted, returns the
// corresponding tier deletion journal entry and true. Otherwise returns empty
// jentry value and false.

		Secure:    u.Scheme == "https",
		Transport: globalRemoteTargetTransport,
	}
	client, err := minio.New(u.Host, opts)
	if err != nil {
		return nil, err
	}
	client.SetAppInfo(fmt.Sprintf("s3-tier-%s", tier), ReleaseTag)

	core := &minio.Core{Client: client}
	return &warmBackendS3{
		client:       client,
		core:         core,
		Bucket:       conf.Bucket,

	// such that finally fivs.Versions has
	// all the non-free versions and fivs.FreeVersions has all the free
	// versions.
	n := 0
	for _, fi := range fivs.Versions {
		// filter our tier object delete marker
		if fi.TierFreeVersion() {
			if !inclFreeVersions {
				fivs.FreeVersions = append(fivs.FreeVersions, fi)
			}
		} else {
			if !inclFreeVersions {
				fivs.Versions[n] = fi
			}
			n++

		// https://docs.aws.amazon.com/AmazonS3/latest/API/API_HeadObject.html#API_HeadObject_ResponseSyntax
		w.Header()[xhttp.AmzStorageClass] = []string{filterStorageClass(ctx, objInfo.TransitionedObject.Tier)}
	}

	if lc, err := globalLifecycleSys.Get(objInfo.Bucket); err == nil {
		lc.SetPredictionHeaders(w, objInfo.ToLifecycleOpts())
	}

	if v, ok := objInfo.UserDefined[ReservedMetadataPrefix+"compression"]; ok {

policy_count=$(./mc admin policy list myminio/ | wc -l)

## create a warm tier instance
(minio server /tmp/xltier/{1...4}/disk{0...1} --address :9002 2>&1 >/dev/null) &

export MC_HOST_mytier="http://minioadmin:minioadmin@localhost:9002/"

./mc ready myminio

./mc mb -l myminio/bucket2
./mc mb -l mytier/tiered

## create a tier and set up ilm policy to tier immediately

		Transport:       globalRemoteTargetTransport,
		TrailingHeaders: true,
	}
	client, err := minio.New(u.Host, opts)
	if err != nil {
		return nil, err
	}
	client.SetAppInfo(fmt.Sprintf("minio-tier-%s", tier), ReleaseTag)

	core := &minio.Core{Client: client}
	return &warmBackendMinIO{
		warmBackendS3{
			client: client,
			core:   core,
			Bucket: conf.Bucket,