// Check for environment variables and parse into storageClass struct
	if ssc != "" {
		cfg.Standard, err = parseStorageClass(ssc)
		if err != nil {
			return Config{}, err
		}
	} else {
		cfg.Standard.Parity = DefaultParityBlocks(setDriveCount)
	}

	if rrsc != "" {
		cfg.RRS, err = parseStorageClass(rrsc)
		if err != nil {
			return Config{}, err
		}
	} else {
		cfg.RRS.Parity = defaultRRSParity

		},
		{
			"AB",
			StorageClass{
				Parity: 4,
			},
			errors.New("Too few sections in AB"),
		},
	}
	for i, tt := range tests {
		gotSc, err := parseStorageClass(tt.storageClassEnv)
		if err != nil && tt.expectedError == nil {
			t.Errorf("Test %d, Expected %s, got %s", i+1, tt.expectedError, err)
			return
		}
		if err == nil && tt.expectedError != nil {