ChecksumType: userDefined[hash.MinIOMultipartChecksumType],
	}, nil
}

// NewMultipartUpload - initialize a new multipart upload, returns a
// unique id. The unique id returned here is of UUID form, for each
// subsequent request each UUID is unique.
//
// Implements S3 compatible initiate multipart API.

	}

	if opts.WantChecksum != nil {
		opts.WantChecksum.Type |= hash.ChecksumMultipart | hash.ChecksumIncludesMultipart
	}

	newMultipartUpload := objectAPI.NewMultipartUpload

	res, err := newMultipartUpload(ctx, bucket, object, opts)
	if err != nil {
		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}

}

// shuffleDisksAndPartsMetadataByIndex this function should be always used by GetObjectNInfo()
// and CompleteMultipartUpload code path, it is not meant to be used with PutObject,
// NewMultipartUpload metadata shuffling.
func shuffleDisksAndPartsMetadataByIndex(disks []StorageAPI, metaArr []FileInfo, fi FileInfo) (shuffledDisks []StorageAPI, shuffledPartsMetadata []FileInfo) {
	shuffledDisks = make([]StorageAPI, len(disks))

	// Multipart operations.
	ListMultipartUploads(ctx context.Context, bucket, prefix, keyMarker, uploadIDMarker, delimiter string, maxUploads int) (result ListMultipartsInfo, err error)
	NewMultipartUpload(ctx context.Context, bucket, object string, opts ObjectOptions) (result *NewMultipartUploadResult, err error)
	CopyObjectPart(ctx context.Context, srcBucket, srcObject, destBucket, destObject string, uploadID string, partID int,

		t.Fatalf("%s : %s", instanceType, err.Error())
	}
	opts := ObjectOptions{}
	// Initiate Multipart Upload on the above created bucket.
	res, err := obj.NewMultipartUpload(context.Background(), bucket, object, opts)
	if err != nil {
		// Failed to create NewMultipartUpload, abort.
		t.Fatalf("%s : %s", instanceType, err.Error())
	}
	uploadID := res.UploadID

	// Upload part1.

		return err
	}

	if oi.isMultipart() {
		res, err := z.NewMultipartUpload(ctx, bucket, oi.Name, ObjectOptions{
			VersionID:    oi.VersionID,
			UserDefined:  oi.UserDefined,
			NoAuditLog:   true,
			DataMovement: true,
			SrcPoolIdx:   poolIdx,
		})
		if err != nil {
			return fmt.Errorf("rebalanceObject: NewMultipartUpload() %w", err)
		}

}

// Initiate a new multipart upload on a hashedSet based on object name.
func (s *erasureSets) NewMultipartUpload(ctx context.Context, bucket, object string, opts ObjectOptions) (res *NewMultipartUploadResult, err error) {
	set := s.getHashedSet(object)
	return set.NewMultipartUpload(ctx, bucket, object, opts)
}

// PutObjectPart - writes part of an object to hashedSet based on the object name.

	credentials := globalActiveCred

	curTime := UTCNow()
	curTimePlus5Min := curTime.Add(time.Minute * 5)

	// bucketnames[0].
	// objectNames[0].
	// uploadIds [0].
	// Create bucket before initiating NewMultipartUpload.
	err := obj.MakeBucket(context.Background(), bucketName, MakeBucketOptions{})
	if err != nil {
		// Failed to create newbucket, abort.
		t.Fatalf("%s : %s", instanceType, err.Error())
	}

	var opts ObjectOptions
	err := obj.MakeBucket(context.Background(), "bucket", MakeBucketOptions{})
	if err != nil {
		t.Fatalf("%s: <ERROR> %s", instanceType, err)
	}
	res, err := obj.NewMultipartUpload(context.Background(), "bucket", "key", opts)
	if err != nil {
		t.Fatalf("%s: <ERROR> %s", instanceType, err)
	}
	uploadID := res.UploadID

	// Create a byte array of 5MiB.