// it will be called for input validation failures
func Fatal(err error, msg string, data ...interface{}) {
	fatal(err, msg, data...)
}

func fatal(err error, msg string, data ...interface{}) {
	var errMsg string
	if msg != "" {
		errMsg = errorFmtFunc(fmt.Sprintf(msg, data...), err, jsonFlag)
	} else {
		errMsg = err.Error()
	}
	consoleLog(fatalMessage, errMsg)
}

var fatalMessage fatalMsg

			t.Log(oi)
			if err != nil {
				t.Fatalf("%s : %s", instanceType, err.Error())
			}
		}

		oi, err := obj.DeleteObject(context.Background(), testCase.bucketName, testCase.pathToDelete, ObjectOptions{})
		t.Log(oi, err)

		result, err := obj.ListObjects(context.Background(), testCase.bucketName, "", "", "", 1000)
		if err != nil {

// interpretation.
func osErrToFileErr(err error) error {
	if err == nil {
		return nil
	}
	if osIsNotExist(err) {
		return errFileNotFound
	}
	if osIsPermission(err) {
		return errFileAccessDenied
	}
	if isSysErrNotDir(err) || isSysErrIsDir(err) {
		return errFileNotFound
	}
	if isSysErrPathNotFound(err) {
		return errFileNotFound
	}
	if isSysErrTooManyFiles(err) {

		return
	}

	kv := "subnet license=" + lic
	result, err := setConfigKV(ctx, objectAPI, []byte(kv))
	if err != nil {
		internalLogIf(ctx, fmt.Errorf("error setting subnet license config: %w", err))
		return
	}

	if result.Dynamic {
		if err := applyDynamicConfigForSubSys(GlobalContext, objectAPI, result.Cfg, result.SubSys); err != nil {

	}

	for i, tc := range testCases {
		_, err := validateBucketSSEConfig(bytes.NewReader([]byte(tc.inputXML)))
		if tc.shouldPass && err != nil {
			t.Fatalf("Test case %d: Expected to succeed but got %s", i+1, err)
		}

		if !tc.shouldPass {
			if err == nil || err != nil && err.Error() != tc.expectedErr.Error() {
				t.Fatalf("Test case %d: Expected %s but got %s", i+1, tc.expectedErr, err)
			}
		}
	}

func SameDisk(disk1, disk2 string) (bool, error) {
	st1 := syscall.Stat_t{}
	st2 := syscall.Stat_t{}

	if err := syscall.Stat(disk1, &st1); err != nil {
		return false, err
	}

	if err := syscall.Stat(disk2, &st2); err != nil {
		return false, err
	}

	return st1.Dev == st2.Dev, nil

)

// GetInterfaceNetStats - get procfs.NetDevLine by interfaceName
func GetInterfaceNetStats(interf string) (procfs.NetDevLine, error) {
	proc, err := procfs.Self()
	if err != nil {
		return procfs.NetDevLine{}, err
	}
	netDev, err := proc.NetDev()
	if err != nil {
		return procfs.NetDevLine{}, err
	}
	ndl, ok := netDev[interf]
	if !ok {
		return procfs.NetDevLine{}, fmt.Errorf("%v interface not found", interf)
	}
	return ndl, nil

				ctx, cancel := context.WithTimeout(ctx, 2*time.Second)
				defer cancel()

				err := clnt.Verify(ctx, srcCfg)
				mu.Lock()
				if err != nil {
					bootstrapTraceMsg(fmt.Sprintf("clnt.Verify: %v, endpoint: %s", err, clnt))
					if !isNetworkError(err) {
						bootLogOnceIf(context.Background(), fmt.Errorf("%s has incorrect configuration: %w", clnt, err), "incorrect_"+clnt.String())

		// send signal to various go-routines that they need to quit.
		cancelGlobalContext()

		if httpServer := newHTTPServerFn(); httpServer != nil {
			if err := httpServer.Shutdown(); err != nil && !errors.Is(err, http.ErrServerClosed) {
				shutdownLogIf(context.Background(), err)
			}
		}

		if objAPI := newObjectLayerFn(); objAPI != nil {
			shutdownLogIf(context.Background(), objAPI.Shutdown(context.Background()))
		}

		return l.do(f)
	}
	return nil
}

func (l *Init) do(f func() error) error {
	l.m.Lock()
	defer l.m.Unlock()
	if atomic.LoadUint32(&l.done) == 0 {
		if err := f(); err != nil {
			return err
		}
		// Mark as done only when f() is successful
		atomic.StoreUint32(&l.done, 1)
	}
	return nil
}