// minioMetaTmpDeletedBucket + unique uuid,
// Note that set distribution is ignored so it should only be used in cases where
// data is not distributed across sets. Errors are logged but individual
// disk failures are not returned.
func (z *erasureServerPools) deleteAll(ctx context.Context, bucket, prefix string) {
	for _, servers := range z.serverPools {
		for _, set := range servers.sets {