```
KEY:
storage_class  define object level redundancy

ARGS:
standard  (string)    set the parity count for default standard storage class e.g. "EC:4"
rrs       (string)    set the parity count for reduced redundancy storage class e.g. "EC:2"
comment   (sentence)  optionally add a comment to this setting
```

or environment variables

```
KEY:
storage_class  define object level redundancy

ARGS:

			HiddenIfEmpty: true,
		},
	}
)

// StorageClass - holds storage class information
type StorageClass struct {
	Parity int
}

// ConfigLock is a global lock for storage-class config
var ConfigLock sync.RWMutex

// Config storage class configuration
type Config struct {
	Standard    StorageClass `json:"standard"`
	RRS         StorageClass `json:"rrs"`
	Optimize    string       `json:"optimize"`

	interfaceSubsystem        MetricSubsystem = "if"
	memSubsystem              MetricSubsystem = "mem"
	cpuSubsystem              MetricSubsystem = "cpu_avg"
	storageClassSubsystem     MetricSubsystem = "storage_class"
	fileDescriptorSubsystem   MetricSubsystem = "file_descriptor"
	goRoutines                MetricSubsystem = "go_routine"
	ioSubsystem               MetricSubsystem = "io"

:"alert_excess_versions","value":"100"},{"key":"alert_excess_folders","value":"50000"},{"key":"delay","value":""},{"key":"max_wait","value":""},{"key":"cycle","value":""}]},"site":{"_":[{"key":"name","value":""},{"key":"region","value":""}]},"storage_class":{"_":[{"key":"standard","value":"EC:5"},{"key":"rrs","value":"EC:1"},{"key":"optimize","value":"availability"},{"key":"inline_block","value":""}]},"subnet":{"_":[{"key":"license","value":""},{"key":"api_key","value":""},{"key":"proxy","value":""}]}}...

- Added `cri-client` staging repository. ([#123797](https://github.com/kubernetes/kubernetes/pull/123797), [@saschagrunert](https://github.com/saschagrunert)) [SIG API Machinery, Node, Release and Testing]

			prefix:      "foodir/foobject/foo.txt",
			want:        true,
		},
		{
			inputConfig: `<LifecycleConfiguration><Rule><Status>Enabled</Status><Filter></Filter><NoncurrentVersionTransition><StorageClass>S3TIER-1</StorageClass></NoncurrentVersionTransition></Rule></LifecycleConfiguration>`,

	trTests := []struct {
		input string
		err   error
	}{
		{
			input: `<Transition>
			<Days>0</Days>
			<StorageClass>S3TIER-1</StorageClass>
		  </Transition>`,
			err: nil,
		},
		{
			input: `<Transition>
			<Days>1</Days>
			<Date>2021-01-01T00:00:00Z</Date>
			<StorageClass>S3TIER-1</StorageClass>
		  </Transition>`,
			err: errTransitionInvalid,
		},
		{
			input: `<Transition>
			<Days>1</Days>

	Bucket       string   `xml:"Bucket" json:"Bucket"`
	StorageClass string   `xml:"StorageClass" json:"StorageClass"`
	ARN          string
	// EncryptionConfiguration TODO: not needed for MinIO
}

func (d Destination) isValidStorageClass() bool {
	if d.StorageClass == "" {
		return true
	}
	return d.StorageClass == "STANDARD" || d.StorageClass == "REDUCED_REDUNDANCY"
}

  resources:
    requests:
      storage: {{ .Values.persistence.size | quote }}
  {{- if .Values.persistence.storageClass }}
  {{- if (eq "-" .Values.persistence.storageClass) }}
  storageClassName: ""
  {{- else }}
  storageClassName: "{{ .Values.persistence.storageClass }}"
  {{- end }}
  {{- end }}
  {{- if .Values.persistence.volumeName }}
  volumeName: "{{ .Values.persistence.volumeName }}"
  {{- end }}

package storageclass

import (
	"errors"
	"reflect"
	"testing"
)

func TestParseStorageClass(t *testing.T) {
	tests := []struct {
		storageClassEnv string
		wantSc          StorageClass
		expectedError   error
	}{
		{
			"EC:3",
			StorageClass{
				Parity: 3,
			},
			nil,
		},
		{
			"EC:4",
			StorageClass{
				Parity: 4,
			},
			nil,
		},