ConfigLock.RLock()
	defer ConfigLock.RUnlock()
	if !sCfg.initialized {
		return true
	}
	return sCfg.Optimize == "availability" || sCfg.Optimize == ""
}

// Update update storage-class with new config
func (sCfg *Config) Update(newCfg Config) {
	ConfigLock.Lock()
	defer ConfigLock.Unlock()
	sCfg.RRS = newCfg.RRS
	sCfg.Standard = newCfg.Standard
	sCfg.Optimize = newCfg.Optimize

	logger.LogOnceIf(ctx, logSubsys, err, id, errKind...)
}

// ErrTargetsOffline - Indicates single/multiple target failures.
var ErrTargetsOffline = errors.New("one or more targets are offline. Please use `mc admin info --json` to check the offline targets")

// TestSubSysNotificationTargets - tests notification targets of given subsystem

					if err != nil {
						err = msgp.WrapError(err, "Infos", za0001)
						return
					}
					z.Infos[za0001] = nil
				} else {
					if z.Infos[za0001] == nil {
						z.Infos[za0001] = new(ObjectPartInfo)
					}
					err = z.Infos[za0001].DecodeMsg(dc)
					if err != nil {
						err = msgp.WrapError(err, "Infos", za0001)
						return
					}
				}
			}
		default:

	if err != nil {
		return err
	}
	defer r.closeRespFn(resp.Body)
	if resp.StatusCode != http.StatusOK {
		return errors.New(resp.Status)
	}

	return r.pubKeys.parseAndAdd(resp.Body)
}

// ErrTokenExpired - error token expired
var (
	ErrTokenExpired = errors.New("token expired")
)

func updateClaimsExpiry(dsecs string, claims map[string]interface{}) error {
	expStr := claims["exp"]

	switch {
	case kmsPresent && kesPresent:
		return false, errors.New("kms: configuration for MinIO KMS and MinIO KES is present")
	case kmsPresent && staticKeyPresent:
		return false, errors.New("kms: configuration for MinIO KMS and static KMS key is present")
	case kesPresent && staticKeyPresent:
		return false, errors.New("kms: configuration for MinIO KES and static KMS key is present")
	}

)

// ErrNoEntriesFound - Indicates no entries were found for the given key (directory)
var ErrNoEntriesFound = errors.New("No entries found for this key")

// ErrDomainMissing - Indicates domain is missing
var ErrDomainMissing = errors.New("domain is missing")

const etcdPathSeparator = "/"

// create a new coredns service record for the bucket.
func newCoreDNSMsg(ip string, port string, ttl uint32, t time.Time) ([]byte, error) {

			return index
		}
	}
	return -1
}

// initRebalanceMeta initializes rebalance metadata for a new rebalance
// operation and saves it in the object store.
func (z *erasureServerPools) initRebalanceMeta(ctx context.Context, buckets []string) (arn string, err error) {
	r := &rebalanceMeta{
		ID:        shortuuid.New(),
		PoolStats: make([]*rebalanceStats, len(z.serverPools)),
	}

	randmu sync.Mutex
)

// Temp files created in default Tmp dir
var globalTestTmpDir = os.TempDir()

// reseed - returns a new seed every time the function is called.
func reseed() uint32 {
	return uint32(time.Now().UnixNano() + int64(os.Getpid()))
}

// nextSuffix - provides a new unique suffix every time the function is called.
func nextSuffix() string {
	randmu.Lock()
	r := randN

				for _, key := range keys {
					ckvs.Delete(key)
				}
			}
			cp[subSys][tgt] = ckvs
		}
	}

	return cp
}

// New - initialize a new server config.
func New() Config {
	srvCfg := make(Config)
	for _, k := range SubSystems.ToSlice() {
		srvCfg[k] = map[string]KVS{}
		srvCfg[k][Default] = DefaultKVS[k]
	}
	return srvCfg
}

	case c.Is(ChecksumCRC32C):
		return crc32.New(crc32.MakeTable(crc32.Castagnoli))
	case c.Is(ChecksumSHA1):
		return sha1.New()
	case c.Is(ChecksumSHA256):
		return sha256.New()
	}
	return nil
}

// Trailing return whether the checksum is trailing.
func (c ChecksumType) Trailing() bool {
	return c.Is(ChecksumTrailing)
}