xx省联通SUN M5000清除故障灯MBU_B Degraded

一、故障现象

XX联通SUN M500亮故障灯，检查发现MBU_B状态degraded.

XSCF> showstatus

* MBU_B Status:Degraded;

XSCF> showhardconf -M

SPARC Enterprise M5000;

+ Serial:BEF0908DB0; Operator_Panel_Switch:Service;

+ Power_Supply_System:Single; SCF-ID:XSCF#0;

+ System_Power:Off; System_Phase:Cabinet Power Off;

Domain#0 Domain_Status:Powered Off;

* MBU_B Status:Degraded; Ver:0201h; Serial:BE0908107B ;

+ FRU-Part-Number:CF00541-0478 07 /541-0478-07 ;

+ Memory_Size:16 GB;

CPUM#0-CHIP#0 Status:Normal; Ver:0401h; Serial:PP090405A0 ;

+ FRU-Part-Number:CA06761-D202 E0 /375-3568-05 ;

+ Freq:2.400 GHz; Type:32;

二、处理过程

根据xscf的版本、序列号申请 service密码

XSCF> enableservice

Service Password:

**** **** **** **** **** ***

**** **** **** *** **** ****

**** **** **** **** **** ****

*** **** **** **** *** ***

*** *** ** *** *** ***

Mode password is: LONG MACE ROOT

XSCF> service

Mode password: **** ****

Invalid mode password. Please try again.

Mode password: **** **** ****

service>

service> showstatus

* MBU_B Status:Degraded;

service> fmadm faulty

STATE RESOURCE / UUID

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

faulted hc:///chassis=0/cmu=1/mbc=1

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

service> clearfault MBU_B

clearfault: Fault cannot be cleared for this FRU.

FRU will be marked to clear faulton next circuit breaker off and on.

Continue? [y|n]: y

Fault will be cleared after circuit breaker off and on

service> exit

exit

Quit

XSCF> disablemodes

XSCF> poweroff -a

DomainIDs to power off:00

Continue? [y|n] :y

00 :Not powering off :The domain is already powered off.

XSCF>

断电加电后检查无故障，最大化自检三遍无问题后故障消除

XSCF> showstatus

No failures found in System Initialization.

XSCF>

XSCF>