RAC Thread# 0

Hi,
I have noticed that our standby RAC shows thread#=0 (zero) in v$standby_log view. Whaere as primary doesn't have thread# 0. Is this expected behaviour? Or the DBA may had created these using thread# 0?
Thanks.

Both primary and standby has 16 standby redo logs. Primary has 8 logs for both thread 1 and 2. Following is the list of standby redo logs.
SQL> select thread#, group#, status
2 from v$standby_log
3 order by thread#, group#;
   THREAD#     GROUP# STATUS
         0         14 UNASSIGNED
         0         15 UNASSIGNED
         0         16 UNASSIGNED
         0         17 UNASSIGNED
         0         18 UNASSIGNED
         1          8 ACTIVE
         1          9 UNASSIGNED
         1         12 UNASSIGNED
         1         13 UNASSIGNED
         1         21 UNASSIGNED
         1         22 UNASSIGNED
         2          7 UNASSIGNED
         2         10 ACTIVE
         2         11 UNASSIGNED
         2         19 UNASSIGNED
         2         20 UNASSIGNED
16 rows selected.
SQL>

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>>However, when one of the RAC nodes is down, the standby can't apply logs because it's waiting for the next log from the node that is down before continuing - Even though the UP node is doing work.
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Edited by: ORA_QUEST on Aug 4, 2011 12:31 PM
Edited by: ORA_QUEST on Aug 4, 2011 1:56 PM

The following link has the similar error that you are facing and its solution,
http://martincarstenbach.wordpress.com/2009/10/12/build-your-own-rac-system-part-iv-extending-grid-infrastructure/
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[snip]
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Thnx
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So this means that a TableModel must be manupulated (setValueAt , adding deleting and/or updating objects in this TableModel) through a thread in the EventQueue!
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Disable Intel CPU Hyper threading in Oracle RAC environment

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CPU Count Consideration for Oracle Parameter Setting When Using Hyper-Threading Technology (Doc ID 289870.1)
Oracle and Hyper-Threading (Doc ID 205089.1)
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As far as I know it is set as cpu architecture and mobile chips don't have the option. Not 100% as I've never needed to do it.
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Hi community,
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http://forums.ni.com/t5/LabVIEW/How-to-make-sure-plots-in-xy-graph-are-present/td-p/3033109
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Norbert,
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I have attached an example that shows a simplified version of the code that has previously produced the error.
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Attachments:
subvi event registration.llb ‏56 KB

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GROUP# THREAD# MEMBER ARCHIVED STATUS Size (MB)
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5 2 +ORCLDG3/orcl/redo05.log YES UNUSED 50
6 2 +ORCLDG3/orcl/redo06.log NO CURRENT 50
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ERROR at line 1:
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ORA-17503: ksfdopn:2 Failed to open file +ORCLDG3/orcl/redo06.log
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Regards

The method suggested in the thread is not working, please find the below errors,
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alter database clear logfile group 6
ERROR at line 1:
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ORA-17503: ksfdopn:2 Failed to open file +orclDG3/orcl/redo06.log
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# of threads required between RAC Primary and RAC Standby

Oracle 11.1.0.7
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Our standby was created with RMAN Duplicate and it also has 3 threads, but there are only 2 nodes.
The purpose of this Data Guard implementation is to migrate our development and acceptance environments to another data center with different hardware.
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6 +ASM_FRA_DA/dgplay/onlinelog/group_6.8109.813676687             0 UNUSED
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Sherrie

Hi,
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ALTER SYSTEM ARCHIVE LOG GROUP x;
Then drop the groups.
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Problems debugging multiple threads to test race conditions

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In some other IDEs I have used concepts like "freezing" and "thawing" threads which provide fine grain control over debugging race conditions. Is anyone aware of a similar concept in JDeveloper that I might just not be aware of? Instead it just seems that debugger has either paused the JVM or else plays all threads while only bounding particular thread you have focus on to the number of execution steps you specified (step into, step over, step out of, ...).
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There are some developers that have mentioned this to me also.
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THREAD# = 0 in RAC

Hi,
I am getting THREAD# as 0. That other node is down in RAC environment.
Can you please tell me why i am getting THREAD# as 0?
==========================================================
select THREAD#, STATUS, ENABLED from v$thread;
THREAD# STATUS ENABLED
1 OPEN PUBLIC
2 CLOSED PUBLIC
SQL> SELECT THREAD#, INSTANCE_NAME, HOST_NAME FROM GV$INSTANCE;
THREAD# INSTANCE_NAME HOST_NAME
1 sg01sb6t1 D100STUL203
*0 sg01sb6t2 D100STUL703*
==========================================================

Duplicate thread
Re: Unexpected Output from gv$instance

Oracle10gR2 - TAF setup in RAC environment (Pls close this thread)

Hi,
I wish to setup TAF in my RAC environment.
1. Can I harness TAF advantages without doing any Application changes?
2. How much useful can TAF be if application changes are not done?
Thank you.
Regards.

Hi,
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RACDG.__java_pool_size=4194304
RACDG.__large_pool_size=4194304
RACDG.__shared_pool_size=96468992
RACDG.__streams_pool_size=0
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*.log_file_name_convert='+DATADG/RACDG','+DATA/RACDB'
*.open_cursors=300
*.pga_aggregate_target=16777216
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SERVICE_NAMES='RACDG'
sga_target=167772160
standby_file_management='auto'
undo_management='AUTO'
undo_tablespace='UNDOTBS1'
user_dump_dest='/u01/app/oracle/admin/RACDG/udump'
DB_UNIQUE_NAME=RACDG
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[oracle@dg01 ~]$ echo $ORACLE_SID
RACDG
[oracle@dg01 ~]$ rman
Recovery Manager: Release 10.2.0.1.0 - Production on Tue Jul 17 21:19:21 2007
Copyright (c) 1982, 2005, Oracle. All rights reserved.
RMAN> connect auxiliary /
connected to auxiliary database: RACDG (not mounted)
RMAN> connect target sys/xxxxxxx@RACDB
connected to target database: RACDB (DBID=625522512)
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Starting Duplicate Db at 2007-07-17 22:27:08
using target database control file instead of recovery catalog
allocated channel: ORA_AUX_DISK_1
channel ORA_AUX_DISK_1: sid=156 devtype=DISK
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restore clone standby controlfile;
sql clone 'alter database mount standby database';
executing Memory Script
Starting restore at 2007-07-17 22:27:10
using channel ORA_AUX_DISK_1
channel ORA_AUX_DISK_1: starting datafile backupset restore
channel ORA_AUX_DISK_1: restoring control file
channel ORA_AUX_DISK_1: reading from backup piece /software/backup/ctl4.ctl
channel ORA_AUX_DISK_1: restored backup piece 1
piece handle=/software/backup/ctl4.ctl tag=TAG20070717T201921
channel ORA_AUX_DISK_1: restore complete, elapsed time: 00:00:23
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output filename=+FLASHDG/racdg/controlfile/backup.268.628208079
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released channel: ORA_AUX_DISK_1
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
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RMAN-05001: auxiliary filename +DATA/racdb/datafile/users.259.627905395 conflicts with a file used by the target database
RMAN-05001: auxiliary filename +DATA/racdb/datafile/sysaux.257.627905385 conflicts with a file used by the target database
RMAN-05001: auxiliary filename +DATA/racdb/datafile/undotbs1.258.627905395 conflicts with a file used by the target database
RMAN-05001: auxiliary filename +DATA/racdb/datafile/system.256.627905375 conflicts with a file used by the target database
RMAN>
Any help to clear this error will be apprecited.......
Message was edited by:
Bal
null

Hi
Thanks everybody for helping me on this issue...........
As suggested, I had taken the parameter log_file_name_convert and db_file_name_convert out of my RAC primary database but still I am getting the same error.
Any help will be appriciated..............
SQL> show parameter convert
NAME TYPE VALUE
db_file_name_convert string
log_file_name_convert string
SQL>
oracle@dg01<3>:/u01/app/oracle> rman
Recovery Manager: Release 10.2.0.1.0 - Production on Wed Jul 18 17:07:49 2007
Copyright (c) 1982, 2005, Oracle. All rights reserved.
RMAN> connect auxiliary /
connected to auxiliary database: RACDB (not mounted)
RMAN> connect target sys/xxx@RACDB
connected to target database: RACDB (DBID=625522512)
RMAN> duplicate target database for standby;
Starting Duplicate Db at 2007-07-18 17:10:53
using target database control file instead of recovery catalog
allocated channel: ORA_AUX_DISK_1
channel ORA_AUX_DISK_1: sid=156 devtype=DISK
contents of Memory Script:
restore clone standby controlfile;
sql clone 'alter database mount standby database';
executing Memory Script
Starting restore at 2007-07-18 17:10:54
using channel ORA_AUX_DISK_1
channel ORA_AUX_DISK_1: starting datafile backupset restore
channel ORA_AUX_DISK_1: restoring control file
channel ORA_AUX_DISK_1: reading from backup piece /software/backup/ctl5.ctr
channel ORA_AUX_DISK_1: restored backup piece 1
piece handle=/software/backup/ctl5.ctr tag=TAG20070718T170529
channel ORA_AUX_DISK_1: restore complete, elapsed time: 00:00:33
output filename=+DATADG/racdg/controlfile/current.275.628208075
output filename=+FLASHDG/racdg/controlfile/backup.268.628208079
Finished restore at 2007-07-18 17:11:31
sql statement: alter database mount standby database
released channel: ORA_AUX_DISK_1
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of Duplicate Db command at 07/18/2007 17:11:43
RMAN-05501: aborting duplication of target database
RMAN-05001: auxiliary filename +DATA/racdb/datafile/undotbs2.265.627906771 conflicts with a file used by the target database
RMAN-05001: auxiliary filename +DATA/racdb/datafile/example.264.627905917 conflicts with a file used by the target database
RMAN-05001: auxiliary filename +DATA/racdb/datafile/users.259.627905395 conflicts with a file used by the target database
RMAN-05001: auxiliary filename +DATA/racdb/datafile/sysaux.257.627905385 conflicts with a file used by the target database
RMAN-05001: auxiliary filename +DATA/racdb/datafile/undotbs1.258.627905395 conflicts with a file used by the target database
RMAN-05001: auxiliary filename +DATA/racdb/datafile/system.256.627905375 conflicts with a file used by the target database

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