Re: ORA-00481: LMON process terminated with error

  • From: "LS Cheng" <exriscer@xxxxxxxxx>
  • To: ramick <ramick@xxxxxxxxxxx>
  • Date: Fri, 28 Jul 2006 08:16:58 +0200

Hi Ramick

There is no desa_lmon trace file.

I have been checking with the RAC alert log file and I noticed that just 1
minute before the time DESA instance failed RAC was stopped. I wonder how
can a RAC shutdown affect other instances in the same server?

DESA (the NON-RAC instance) failed at 2006-07-08 09:33:26.633


Here is the alert log file for the RAC:
------------------------------------------------------
Sat Jul  8 09:32:34 2006
Reconfiguration started (old inc 2, new inc 3)
List of nodes:
1
Global Resource Directory frozen
one node partition
Communication channels reestablished
Master broadcasted resource hash value bitmaps
Non-local Process blocks cleaned out
Resources and enqueues cleaned out
Resources remastered 8760
27495 GCS shadows traversed, 0 cancelled, 9072 closed
8236 GCS resources traversed, 0 cancelled
31745 GCS resources on freelist, 39981 on array, 39981 allocated
set master node info
Submitted all remote-enqueue requests
Update rdomain variables
Dwn-cvts replayed, VALBLKs dubious
All grantable enqueues granted
27495 GCS shadows traversed, 0 replayed, 9072 unopened
Submitted all GCS remote-cache requests
0 write requests issued in 18423 GCS resources
2 PIs marked suspect, 0 flush PI msgs
Sat Jul  8 09:32:35 2006
Reconfiguration complete
Post SMON to start 1st pass IR
Sat Jul  8 09:32:35 2006
Instance recovery: looking for dead threads
Instance recovery: lock domain invalid but no dead threads
Sat Jul  8 09:32:36 2006
Shutting down instance: further logons disabled
Shutting down instance (immediate)


TIA




On 7/27/06, ramick <ramick@xxxxxxxxxxx> wrote: 

Is there a recent file like:
/u01/app/oracle/admin/DESA/bdump/desa_lmon*

What is the full version of the database?

Are there any other traces in bdump or udump for this instance near the
time
of the failure?

Is there anything in other instance(s) logs - alert, bdump, udump?

BTW, an instance is the processes and memory - it would be separate from
the
RAC instance and should not affect it.
________________________________________
From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx]
On Behalf Of LS Cheng
Sent: Thursday, July 27, 2006 3:00 AM
To: kevinc@xxxxxxxxxxxxx
Cc: oracle-l@xxxxxxxxxxxxx
Subject: Re: ORA-00481: LMON process terminated with error

Hi

Alert shows this:

Sat Jul 8 09:33:26 2006
Errors in file /u01/app/oracle/admin/DESA/bdump/desa_pmon_17392.trc:
ORA-00481: LMON process terminated with error
Sat Jul 8 09:33:26 2006
PMON: terminating instance due to error 481
Instance terminated by PMON, pid = 17392

desa_pmon_17392.trc shows this

*** 2006-07-08 09:33:26.634
*** SESSION ID:(1.1) 2006-07-08 09:33:26.633
error 481 detected in background process
ORA-00481: LMON process terminated with error
ksuitm: waiting for [5] seconds before killing DIAG


Nothing more

Tia



On 7/25/06, Kevin Closson < kevinc@xxxxxxxxxxxxx> wrote:
>
> error 481 detected in background process
> ORA-00481: LMON process terminated with error
> ksuitm: waiting for [5] seconds before killing DIAG

...and I forgot to mention that this 5 second delay is quite often
not enough time to get all the DIAG output....especially in chaotic
scenarios... you might consider setting the following so you at
least get some info... as always, the standard "underbar" parameter
setting taboos apply

_ksu_diag_kill_time = 30




>
> I understand that error should apply to a RAC
database. I am not able
> to find out why the database failed. Any lights?




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