Conference netcad::hub_mgnt

2009.0. "DH900 and Repeater/Bridge crashes ?" by GIDDAY::STANISLAUS () Tue Feb 14 1995 08:56

	A DH900 was installed two months ago and was working OK till today.
    
Today it crashed twice as reported by the Field Service engineer.
    
	Unfortunately this is a large customer for Digital with many systems and
    network products and over 20 x DH900 units of which he has had trouble with 
    3 already soon after installation - various problems - from a slot not
    working to DR900TM crashes and systems therefore loosining connections.
    
    This is a very important customer for us.
    
    Anyway I will only talk about the current problem.
    --------------------------------------------------
Configuration:

	A DH900 with one DR900FP and one DB900MX and 3 power supplies.
The DR900FP connects to two remote DH900 units of which I do not have the
configuration. 

	System Power 15W
	Available Pwer 290 W    
	5 V  58 A
	15V  10 A

	MAM is at ver 3.1, DR900FP at ver 1.1.1 DB900MX at ver 1.3 MFG.
	Yes I will upgrade DB900MX to ver 1.4.

	Symptom:

	The Hub crashed and so did the DB900MX and DR900FP as reported by the
	Field Service engineer on-site, although the DB900MX says Uptime 53 
	days. I was told there were 2 crashes within 30 minutes time.
    

	The error log entries of DH900. 
	-------------------------------	

	Is this telling me power supply 1 is suspect ?
	
	Entry		= 68
	Time Stamp	= 0 71667200
	Reset Count	= 7
	1  :  PS problem!  AC_OK, DC_BAD, 48V_OK


	Entry		= 67
	Time Stamp	= 0 7165880
	Reset Count	= 7
	1  :  PS problem!  AC_OK, DC_BAD, 48V_OK

	Entry		= 66
	Time Stamp	= 0 62636600
	Reset Count	= 7
	1  :  PS problem!  AC_OK, DC_BAD, 48V_OK


	Entry		= 65
	Time Stamp	= 0 32659300
	Reset Count	= 7
	1  :  PS problem!  AC_OK, DC_BAD, 48V_OK


	Entry		= 64
	Time Stamp	= 0 32593000
	Reset Count	= 7
	1  :  PS problem!  AC_OK, DC_BAD, 48V_OK



	DB900MX information
	-------------------

	DECbridge 900MX, 6-Ethernet/FDDI Bridge, HW=v0/1,RO=v0.2,SW=1.3MFG
	SysUptime 		: 53 days 19:12:42	21 resets (I was told
							that it crashed today)?
	SNMP Read/Write Community	:  networks
	SNMP Trap Adddresses		: 168.132.4.1
	Status of Last Downline Upgrade	: No Status
	In-Band Interface Hardware Address : 08-00-2B-A6-73-68
	In-Band Interface IP Address	   : 168.132.10.10
	In-Band Interface Default Gateway Address : Not Configured


	DB900 MX - Slot 8 Errorlog Dump
	-------------------------------

	Current Reset Count : 21


	Entry #		= 0
	Entry Status	= 0[0=valid, 1=write_error, 2=invalid, 3=empty,4=crc_err
	Entry Id	= 10
	Firmware Re	= 1.3 (Yes I will upgrade to 1.4)
	Reset Count 	= 19
	Time Stamp	=	0   23 5226
	Write Count	= 5
	Test ID		= DEAD
	Error Data 	= SR=2000 PC=00074906 Error Code=0000200C ProcCsr=576D
	Registers	= D0=00000000 D1=0000007F D2=00000078 D3=00000018
			  D4=0004A8D0 D5=00000000 D6=00000000 D7=0000FFFF
			  A0=00000000 A1=0004A798 A2=000682E8 A3=00066600
			  A4=030020D8 A5=03020000 A6=00039F50 A7=0004A888
			

	DR900FP Information:
	--------------------

	DECrepeater 900FP - slot 6

	DECrepeater 900FP, 12 Port FO Ethernet Rptr SNMP, HW=v1,RO=v01.04,SW=
									v1.1.1
	SysUPtime 			: 00:17:32	10 resets
	SNMP read/Write Community 	: public
	SNMP Trap Adresses		: Not Configured
	Status of Last Downline Upgrade : No Status
	In-Band Interface Hardware Address : 08-00-2B-B0-34-99
	In-Band Interface IP Adrress	   : Not Congigured
	In-Band Interface Default Gateway Address : Not Configured

	Errorlog Dump of DR900FP
	------------------------

	Current Reset Count: 10

	Entry		= 1
	Time Stamp 	= 0 695946246
	Reset Count	= 9                           
	Fatal error: Line 329, File pcomErrLog.c

    What is the current sysUptime and current reset count of the Hub? It
    doesn't look like the Hub itself crashed. A printout of the "show
    current settings" for the MAM would show this for sure.
    
    You definitely have a bad power supply in PS slot #1. It had gone bad 5
    times over a span of 4 days. But I can't tell you when this happened
    without the current sysUptime and reset count. This should not by 
    itself cause the Hub to crash, indeed the fact that the reset count is
    the same for all errorlog entries shows that it had not.
    
    (By the way, the timestamp for errorlog entry #67 of the MAM isn't
    consistent with the other timestamps, I think you're missing a 0.
    That's not important but merely wish to avoid having people confused.)
    
    When the DR900FP crashed you lost connectivity to the Hub, perhaps that 
    is why it looked like the Hub & bridge had crashed. I'm sure the
    repeater folks will look at this.
    
    
    md

    
    The DEFBA issue is being addressed offline.
    
    Bill Wade
    Network Product Support