func getFormatErasureInQuorum(formats []*formatErasureV3) (*formatErasureV3, error) {
	formatCountMap := make(map[int]int, len(formats))
	for _, format := range formats {
		if format == nil {
			continue
		}
		formatCountMap[format.Drives()]++
	}

	maxDrives := 0
	maxCount := 0
	for drives, count := range formatCountMap {
		if count > maxCount {
			maxCount = count
			maxDrives = drives
		}
	}