func (z *erasureServerPools) PutObjectPart(ctx context.Context, bucket, object, uploadID string, partID int, data *PutObjReader, opts ObjectOptions) (PartInfo, error) {
	if err := checkPutObjectPartArgs(ctx, bucket, object, uploadID); err != nil {
		return PartInfo{}, err
	}

	if z.SinglePool() {
		_, err := z.getPoolIdx(ctx, bucket, object, data.Size())
		if err != nil {