func (z *erasureServerPools) updateRebalanceStats(ctx context.Context) error {
	var ok bool
	for i := range z.serverPools {
		if z.findIndex(i) == -1 {
			// Also ensure to initialize rebalanceStats to indicate
			// its a new pool that can receive rebalanced data.
			z.rebalMeta.PoolStats = append(z.rebalMeta.PoolStats, &rebalanceStats{})
			ok = true
		}
	}
	if ok {

			// found a pool
			return pinfo, z.poolsWithObject(poolObjInfos, opts), nil
		}

		if isErrReadQuorum(pinfo.Err) && !opts.MetadataChg {
			// read quorum is returned when the object is visibly
			// present but its unreadable, we simply ask the writes to
			// schedule to this pool instead. If there is no quorum
			// it will fail anyways, however if there is quorum available
			// with enough disks online but sufficiently inconsistent to

	}

	// Unzip sample object data to the existing disks
	err = unzipArchive("testdata/xl-meta-inline-notinline.zip", path)
	if err != nil {
		t.Fatal(err)
	}

	// Try to read the object and check its md5sum
	gr, err := objLayer.GetObjectNInfo(ctx, "testbucket", "file", nil, nil, ObjectOptions{})
	if err != nil {
		t.Fatalf("Expected GetObject to succeed, but failed with %v", err)
	}

	h := md5.New()

		return claims.Map(), nil
	}

	// Check if a session policy is set. If so, decode it here.
	sp, spok := claims.Lookup(policy.SessionPolicyName)
	if spok {
		// Looks like subpolicy is set and is a string, if set then its
		// base64 encoded, decode it. Decoding fails reject such
		// requests.
		spBytes, err := base64.StdEncoding.DecodeString(sp)
		if err != nil {
			// Base64 decoding fails, we should log to indicate

	c.Assert(err, nil)
	// execute the HTTP request for object upload.
	response, err = s.client.Do(request)
	c.Assert(err, nil)
	c.Assert(response.StatusCode, http.StatusOK)

	// fetch the object back and verify its contents.
	request, err = newTestSignedRequest(http.MethodGet, getGetObjectURL(s.endPoint, bucketName, objectName),
		0, nil, s.accessKey, s.secretKey, s.signer)
	c.Assert(err, nil)

		return info, errFaultyDisk
	}

	info, err = p.storage.DiskInfo(ctx, opts)
	if err != nil {
		return info, err
	}

	// check cached diskID against backend
	// only if its non-empty.
	cachedID := *p.diskID.Load()
	if cachedID != "" && cachedID != info.ID {
		return info, errDiskNotFound
	}
	return info, nil
}

	}

	var chStorageClass bool
	if dstSc != "" && dstSc != srcInfo.StorageClass {
		chStorageClass = true
		srcInfo.metadataOnly = false
	} // no changes in storage-class expected so its a metadataonly operation.

	var reader io.Reader = gr

	// Set the actual size to the compressed/decrypted size if encrypted.
	actualSize, err := srcInfo.GetActualSize()
	if err != nil {

	//   ETag := MD5(ETag_p1, ETag_p2, ...)+"-N"   (N being the number of parts)
	//
	// This is independent of encryption. An encrypted multipart
	// object also has an ETag that is the MD5 of its part ETags.
	// The fact the in case of encryption the ETag of a part is
	// not the MD5 of the part content does not change that.
	var completeETags []etag.ETag
	for _, part := range complMultipartUpload.Parts {

		if err == nil && fi.InlineData() {
			break
		}
	}

	if err != nil {
		// We can only look for dangling if we received all the responses, if we did
		// not we simply ignore it, since we can't tell for sure if its dangling object.
		if totalResp == er.setDriveCount && shouldCheckForDangling(err, errs, bucket) {
			_, derr := er.deleteIfDangling(context.Background(), bucket, object, metaArr, errs, nil, opts)
			if derr != nil {

)

// IdentityManager is the generic interface that handles KMS identity operations
type IdentityManager interface {
	// DescribeIdentity describes an identity by returning its metadata.
	// e.g. which policy is currently assigned and whether its an admin identity.
	DescribeIdentity(ctx context.Context, identity string) (*kes.IdentityInfo, error)

	// DescribeSelfIdentity describes the identity issuing the request.