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Upgrade the active MPU after the standby MPU operates correctly. The standby MPU will
synchronize data and configuration from the active MPU and take over the forwarding and
control functions.
Disabling the standby MPU auto-update function
When you upgrade the active MPU of a dual-MPU distributed device, the standby MPU auto-update
function automatically upgrades the standby MPU by default. To use ISSU, you must disable the
function.
To disable the standby MPU auto-update function:
1. View the roles of the MPUs.
<HPE>display device
Slot No. Board Type Status Primary SubSlots
-----------------------------------------------------------------------------
0 MPU-100 Normal Master
1 MPU-100 Normal Standby
2 SPU-
<HPE>
The output shows that the MPU in slot 0 is the active MPU.
2. Disable the standby MPU auto-update function.
<HPE>system-view
[Sysname]version check ignore
[Sysname]undo version auto-update enable
Saving the running configuration and verifying the storage
space
1. Save the running configuration.
<HPE>save
The current configuration will be written to the device. Are you sure? [Y/N]:y
Please input the file name(*.cfg)[cfa0:/startup.cfg]
(To leave the existing filename unchanged, press the enter key):
Validating file. Please wait...
Configuration is saved to device successfully.
<HPE>
2. Check the storage space.
<HPE>dir
Directory of cfa0:
0 drw- - Jan 07 2014 14:02:12 diagfile
1 -rw- 307 Jan 22 2014 17:02:02 ifindex.dat
2 drw- - Jan 07 2014 14:02:12 license
3 drw- - Jan 22 2014 13:42:00 logfile
4 -rw- 20050944 Jan 10 2014 09:06:48 msr4000-cmw710-boot-e010204.bin
5 -rw- 2001920 Jan 10 2014 09:08:28 msr4000-cmw710-data-e010204.bin
6 -rw- 11264 Jan 10 2014 09:08:18 msr4000-cmw710-security-e010204.bin
7 -rw- 61538304 Jan 10 2014 09:07:36 msr4000-cmw710-system-e010204.bin
8 -rw- 3232768 Jan 10 2014 09:08:22 msr4000-cmw710-voice-e010204.bin
9 drw- - Jan 07 2014 14:02:12 seclog
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