NE20E is upgraded from NE20&NE20E-VRP5.30-23138009 to V200R005C02B184. Run the diap dev command. It is found that NPU2 is in Abnormal state. Is this phenomenon normal?
The services run normally after upgrade. However, using the disp dev command finds that NPU2 is in Abnormal state, as follows:
NE20E-8's Device status:
Slot # Type Online Status
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
9 RPU1 Present Normal
1 8FE Present Normal
2 8FE Present Normal
4 8FE Present Normal
6 8CE1 Present Normal
8 8CE1 Present Normal
10 RPU2 Present Normal
11 NPU1 Present Normal
12 NPU2 Present Abnormal
13 PWR1(DC) Present Normal
14 PWR2(DC) Present Normal
17 FAN Present Normal
The phenomena is normal.
For the NE20E, RPU has hot and cold backups. When the device is in cold backup, the slave NP does not finish the startup (the device will continue the startup after it completes the master/slave switchover for NPs through NPHA), and it is in the Abnormal state. It displays the actual state. It is not recommended to use cold backup at V200R005, but the hot backup. In the hot backup mode, two NPs will finish the startup, and they are in the Normal state.
Run the following command to check the backup state of RPU:
[Quidway]dis double-system status
Master slot: 9
Slave slot: 10
Master slot: 11
Slave slot: 12
Master: cold backup
Slave : cold backup
RPU(slot) Controled NPU(slot)
The device is defaulted to cold backup in startup. The following command can be used to change it:
[Quidway]double-system backup warm
The parameter warm means hot backup.
Noticeably, the change takes effect after reset.
Also, you can set the backup state in Bootrom during startup of the system, as follows:
Go on Checking the Sdram? Yes or No(Y/N):
Press CTRL+A to Stop AutoBoot...
===============<SMALL-BOOTROM MENU(Ver 5.00)>===============
| <1> Modify Serial Interface Parameter |
| <2> Update LargeBootrom |
| <3> Update Hac-Logic |
| <4> Boot Main System |
| <5> Sdram Test |
| <6> Set Cold Backup Mode |
| <7> Set Warm Backup Mode |
| <8> Display the Current Cold-Warm-Backup Mode | =============================================================
Enter your choice(1-8): 7
The cold-warm-backup mode is set to WARM.
In this situation, you have to configure two NPUs.
Change it to hot backup on site. After reset, check the state of NPU2; it is in the Normal state.