S10506做IRF后，四个主控上只有一个主用M管理口可用是正常的吗？

<JT2-HX-CHW-01>display irf

MemberID  Slot  Role    Priority  CPU-Mac         Description

  *1      6     Master  2         00e0-fc0f-8c07  ---

  +1      7     Standby 2         00e0-fc0f-8c08  ---

   2      6     Standby 1         00e0-fc0f-8c19  ---

   2      7     Standby 1         00e0-fc0f-8c1a  ---

--------------------------------------------------

* indicates the device is the master.

+ indicates the device through which the user logs in.

The bridge MAC of the IRF is: 90e7-104f-3400

Auto upgrade                : yes

Mac persistent              : always

Domain ID                   : 2

Auto merge                  : yes

IRF mode                    : normal

<JT2-HX-CHW-01>dis ver

<JT2-HX-CHW-01>dis version

H3C Comware Software, Version 7.1.070, Release 7576

Copyright (c) 2004-2018 New H3C Technologies Co., Ltd. All rights reserved.

H3C S10506 uptime is 0 weeks, 5 days, 6 hours, 16 minutes

Last reboot reason : USER reboot

Boot image: flash:/S10500-CMW710-BOOT-R7576.bin

Boot image version: 7.1.070, Release 7576

  Compiled Jul 02 2018 11:00:00

System image: flash:/S10500-CMW710-SYSTEM-R7576.bin

System image version: 7.1.070, Release 7576

  Compiled Jul 02 2018 11:00:00

LPU Chassis 1 Slot 0:

Uptime is 0 weeks,5 days,6 hours,13 minutes

BOARD TYPE:         LSUM2TGS48SG0

DRAM:               2048M bytes

FLASH:              0M bytes

NVRAM:              0K bytes

PCB 1 Version:      VER.B

Bootrom Version:    125

CPLD 1 Version:     001

CPLD 2 Version:     001

目前堆叠正常，但是电脑只有插主框的主用主控的时候，M管理口才能用，其他管理口都不可用是正常的吗？