```

		// All the objects should be under deleted list (including non-existent object)
		c.Assert(deleteResp.DeletedObjects[i], DeletedObject{
			ObjectName: delObjReq.Objects[i].ObjectName,
			VersionID:  delObjReq.Objects[i].VersionID,
		})
	}
	c.Assert(len(deleteResp.Errors), 0)

	// Attempt second time results should be same, NoSuchKey for objects not found
	// shouldn't be set.

		if err != nil {
			err = msgp.WrapError(err)
			return
		}
		switch msgp.UnsafeString(field) {
		case "ID":
			err = dc.ReadExactBytes((z.VersionID)[:])
			if err != nil {
				err = msgp.WrapError(err, "VersionID")
				return
			}
		case "MTime":
			z.ModTime, err = dc.ReadInt64()
			if err != nil {
				err = msgp.WrapError(err, "ModTime")
				return
			}

	res, err := s3.client.PutObject(ctx, s3.Bucket, s3.getDest(object), r, length, minio.PutObjectOptions{
		SendContentMd5: true,
		StorageClass:   s3.StorageClass,
		UserMetadata:   meta,
	})
	return remoteVersionID(res.VersionID), s3.ToObjectError(err, object)
}

func (s3 *warmBackendS3) Put(ctx context.Context, object string, r io.Reader, length int64) (remoteVersionID, error) {
	return s3.PutWithMeta(ctx, object, r, length, map[string]string{})
}

		err = msgp.WrapError(err, "Volume")
		return
	}
	z.Name, err = dc.ReadString()
	if err != nil {
		err = msgp.WrapError(err, "Name")
		return
	}
	z.VersionID, err = dc.ReadString()
	if err != nil {
		err = msgp.WrapError(err, "VersionID")
		return
	}
	z.IsLatest, err = dc.ReadBool()
	if err != nil {
		err = msgp.WrapError(err, "IsLatest")
		return
	}
	z.Deleted, err = dc.ReadBool()

		w.Header().Set(xhttp.ContentRange, contentRange)
	}

	// Set the relevant version ID as part of the response header.
	if objInfo.VersionID != "" && objInfo.VersionID != nullVersionID {
		w.Header()[xhttp.AmzVersionID] = []string{objInfo.VersionID}
	}

	if objInfo.ReplicationStatus.String() != "" {
		w.Header()[xhttp.AmzBucketReplicationStatus] = []string{objInfo.ReplicationStatus.String()}
	}

	etags = make([]string, len(partsMetadata))
	vidMap := map[string]int{}
	for index, metadata := range partsMetadata {
		if errs[index] != nil {
			continue
		}
		vid := metadata.VersionID
		if metadata.VersionID == "" {
			vid = nullVersionID
		}
		vidMap[vid]++
		etags[index] = metadata.Metadata["etag"]
	}

	for _, count := range vidMap {
		// do we have enough common versions

		AccessTier:  az.tier(), // set tier if specified
		Metadata:    azMeta,
	})
	if err != nil {
		return "", azureToObjectError(err, az.Bucket, az.getDest(object))
	}
	vid := ""
	if resp.VersionID != nil {
		vid = *resp.VersionID
	}
	return remoteVersionID(vid), nil
}

func (az *warmBackendAzure) Put(ctx context.Context, object string, r io.Reader, length int64) (remoteVersionID, error) {

	}
}

func (c *check) mustNotDelete(ctx context.Context, client *minio.Client, bucket string, vid string) {
	c.Helper()

	err := client.RemoveObject(ctx, bucket, "some-object", minio.RemoveObjectOptions{VersionID: vid})
	if err == nil {
		c.Fatalf("user must not be allowed to delete")
	}

	err = client.RemoveObject(ctx, bucket, "some-object", minio.RemoveObjectOptions{})
	if err != nil {

		StorageClass:         m.StorageClass,
		PartSize:             uint64(partSize),
		DisableContentSha256: true,
		UserMetadata:         meta,
	})
	return remoteVersionID(res.VersionID), m.ToObjectError(err, object)
}

func (m *warmBackendMinIO) Put(ctx context.Context, object string, r io.Reader, length int64) (remoteVersionID, error) {
	return m.PutWithMeta(ctx, object, r, length, map[string]string{})
}