// Standard storage class environment variable
	StandardEnv = "MINIO_STORAGE_CLASS_STANDARD"
	// Optimize storage class environment variable
	OptimizeEnv = "MINIO_STORAGE_CLASS_OPTIMIZE"
	// Inline block indicates the size of the shard
	// that is considered for inlining, remember this
	// shard value is the value per drive shard it
	// will vary based on the parity that is configured
	// for the STANDARD storage_class.

		{"REDUCED_REDUNDANCY", true},
		{"", false},
		{"INVALID", false},
		{"123", false},
		{"MINIO_STORAGE_CLASS_RRS", false},
		{"MINIO_STORAGE_CLASS_STANDARD", false},
	}
	for i, tt := range tests {
		if got := IsValid(tt.sc); got != tt.want {
			t.Errorf("Test %d, Expected Storage Class to be %t, got %t", i+1, tt.want, got)
		}
	}

minio server /data
```

### Storage Class

By default, parity for objects with standard storage class is set to `N/2`, and parity for objects with reduced redundancy storage class objects is set to `2`. Read more about storage class support in MinIO server [here](https://github.com/minio/minio/blob/master/docs/erasure/storage-class/README.md).

```
KEY:
storage_class  define object level redundancy

ARGS:

			Parity: 6,
		},
	}

	// Object for test case 5 - RRS StorageClass defined as Parity 2, MetaData in PutObject requesting RRS Class
	// Reset global storage class flags
	object5 := "object5"
	metadata5 := make(map[string]string)
	metadata5["x-amz-storage-class"] = storageclass.RRS
	globalStorageClass.Update(storageclass.Config{
		RRS: storageclass.StorageClass{
			Parity: 2,
		},
	})

## Pod priority settings
## ref: https://kubernetes.io/docs/concepts/configuration/pod-priority-preemption/
##
priorityClassName: ""

## Pod runtime class name
## ref https://kubernetes.io/docs/concepts/containers/runtime-class/
##
runtimeClassName: ""

## Set default rootUser, rootPassword
## rootUser and rootPassword is generated when not set

	EnvBrowserHSTSPreload           = "MINIO_BROWSER_HSTS_PRELOAD"
	EnvBrowserReferrerPolicy        = "MINIO_BROWSER_REFERRER_POLICY"
)

// DefaultKVS - default storage class config
var (
	DefaultKVS = config.KVS{
		config.KV{
			Key:   browserCSPPolicy,
			Value: "default-src 'self' 'unsafe-eval' 'unsafe-inline';",
		},
		config.KV{
			Key:   browserHSTSSeconds,
			Value: "0",

	if err != nil {
		return err
	}
	if dest.StorageClass != "" {
		switch dest.StorageClass {
		case "STANDARD", "REDUCED_REDUNDANCY":
		default:
			return fmt.Errorf("unknown storage class %s", dest.StorageClass)
		}
	}
	parsedDest.StorageClass = dest.StorageClass
	*d = parsedDest
	return nil
}

// Validate - validates Resource is for given bucket or not.

	disks := er.getDisks()
	// Assume (N/2 + 1) quorum for Delete()
	// this is a theoretical assumption such that
	// for delete's we do not need to honor storage
	// class for objects that have reduced quorum
	// due to storage class - this only needs to be honored
	// for Read() requests alone that we already do.
	writeQuorum := len(disks)/2 + 1

	g := errgroup.WithNErrs(len(disks))
	for index := range disks {

					// Check if there is a parent device:
					//   e.g. if the mount is based on /dev/nvme0n1p1, let's calculate the
					//        real device name (nvme0n1) to get its sysfs information
					parentDevPath, e := os.Readlink("/sys/class/block/" + devName)
					if e == nil {
						parentDev := filepath.Base(filepath.Dir(parentDevPath))
						qst, err = bfs.SysBlockDeviceQueueStats(parentDev)
					}
				}
				if err == nil {

	"github.com/minio/pkg/v2/logger/message/log"
)

// ConsoleLoggerTgt is a stringified value to represent console logging
const ConsoleLoggerTgt = "console+http"

// ExitFunc is called by Fatal() class functions, by default it calls os.Exit()
var ExitFunc = os.Exit

// Logger interface describes the methods that need to be implemented to satisfy the interface requirements.
type Logger interface {