func (config *TierConfigMgr) Remove(ctx context.Context, tier string, force bool) error {
	d, err := config.getDriver(ctx, tier)
	if err != nil {
		if errors.Is(err, errTierNotFound) {
			return nil
		}
		return err
	}
	if !force {
		if inuse, err := d.InUse(ctx); err != nil {
			return err
		} else if inuse {
			return errTierBackendNotEmpty
		}
	}
	config.Lock()

	PreRunE: func(c *cobra.Command, args []string) error {
		if err := istiolog.Configure(logOptions); err != nil {
			log.Errorf("Failed to configure log %v", err)
		}
		return nil
	},
	RunE: func(c *cobra.Command, args []string) (err error) {
		ctx := c.Context()

		// Start controlz server
		_, _ = ctrlz.Run(ctrlzOptions, nil)

		var cfg *config.Config
		if cfg, err = constructConfig(); err != nil {
			return
		}

		return w.WriteCloser.Write(buf)
	})
	w.err = err
	return n, err
}

// Close closer interface to close the underlying closer
func (w *DeadlineWriter) Close() error {
	err := w.WriteCloser.Close()
	w.err = err
	if err == nil {
		w.err = errors.New("we are closed") // Avoids any reuse on the Write() side.
	}
	return err
}

// LimitWriter implements io.WriteCloser.
//

// readQuorum is the min required disks to read data.
// writeQuorum is the min required disks to write data.
func objectQuorumFromMeta(ctx context.Context, partsMetaData []FileInfo, errs []error, defaultParityCount int) (objectReadQuorum, objectWriteQuorum int, err error) {
	// There should be at least half correct entries, if not return failure
	expectedRQuorum := len(partsMetaData) / 2
	if defaultParityCount == 0 {

	var err error
	err = DB.AutoMigrate(&Coupon{})
	if err != nil {
		t.Fatalf("AutoMigrate err:%v", err)
	}
	err = DB.Table("coupon_product_1").AutoMigrate(&CouponProduct{})
	if err != nil {
		t.Fatalf("AutoMigrate err:%v", err)
	}
	err = DB.Table("coupon_product_2").AutoMigrate(&CouponProduct{})
	if err != nil {
		t.Fatalf("AutoMigrate err:%v", err)
	}

)

// ErrUnknownRegion - unknown region error.
type ErrUnknownRegion struct {
	Region string
}

func (err ErrUnknownRegion) Error() string {
	return fmt.Sprintf("unknown region '%v'", err.Region)
}

// ErrARNNotFound - ARN not found error.
type ErrARNNotFound struct {
	ARN ARN
}

func (err ErrARNNotFound) Error() string {
	return fmt.Sprintf("ARN '%v' not found", err.ARN)
}

			// Convert args to endpoints
			eps, err := NewEndpoints(setLayout...)
			if err != nil {
				return nil, setupType, config.ErrInvalidErasureEndpoints(nil).Msg(err.Error())
			}

			// Check for cross device mounts if any.
			if err = checkCrossDeviceMounts(eps); err != nil {
				return nil, setupType, config.ErrInvalidErasureEndpoints(nil).Msg(err.Error())
			}

			for diskIdx := range eps {

	resp, err := client.Do(req)
	if err != nil {
		if xnet.IsNetworkOrHostDown(err, false) {
			return content, AdminError{
				Code:       AdminUpdateURLNotReachable,
				Message:    err.Error(),
				StatusCode: http.StatusServiceUnavailable,
			}
		}
		return content, AdminError{
			Code:       AdminUpdateUnexpectedFailure,
			Message:    err.Error(),

	stmt, err := db.prepare(ctx, db.ConnPool, false, query)
	if err == nil {
		result, err = stmt.ExecContext(ctx, args...)
		if errors.Is(err, driver.ErrBadConn) {
			db.Mux.Lock()
			defer db.Mux.Unlock()
			go stmt.Close()
			delete(db.Stmts, query)
		}
	}
	return result, err
}

  istioctl x internal-debug syncz --xds-label istio.io/rev=default
`,
		RunE: func(c *cobra.Command, args []string) error {
			kubeClient, err := ctx.CLIClientWithRevision(opts.Revision)
			if err != nil {
				return err
			}
			if len(args) == 0 {
				return util.CommandParseError{
					Err: fmt.Errorf("debug type is required"),
				}
			}
			var xdsRequest discovery.DiscoveryRequest