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controlfile to trace; translate the control file into a script for creating the control file. The path is in the directory of the user warning file (you can view it through show parameter user_dump;) with the suffix trc. Or find the following method: SELECT d. VALUE| '/'| LOWER (RTRIM (I. INSTANCE, CHR (0 )))| '_ Ora _'| P. spid| '. Trc' trace_file_nameFROM (SELECT p. spidFROM v $ mystat m, v $ session s,

. The background trace file is generated based on the running status of the background process. The background trace file is also saved in the directory specified by the BACKGROUND_DUMP_DEST parameter. The file format is siddbwr. trc and sidsmon. trc. Another type is the user trace file generated by the user process connected to Oracle. These files are generated only when errors occur during user sessions.

-hFilesystem Size Used Avail Use % Mounted on/dev/sda1 981 M 203 M 729 M 22%/none 16G 0 16G 0%/dev/shm/dev/sda9 2.9G 37 M 2.7G 2%/tmp/dev/sda7 4.9G 1.9G 2.7G 42%/usr/dev/sda8 2.9G 145 M 2.6G 6%/var/dev/mapper/vghome-lvhome20G 19G 11 M 100%/home/dev/mapper/vgoradata-lvoradata144G 48G 90G 35%/u01/oradata/dev/mapper/vgbackup-lvbackup193G 7.8G 175G 5%/u01/backup via the following command find useless files, then delete [root @ ticketb ~] # Find/home/oracle/admin/dbticb/udump/-name "dbticb _*.

A friend encountered a problem with ORA-04031. Although this error is very common, the Case here is also a little shocking! A friend encountered a problem with ORA-04031. Although this error is very common, the Case here is also a little shocking! A friend encountered a problem with ORA-04031. Although this error is very common, the Case here is also a little shocking! Tue Aug 26 11:51:13 2014Errors in file/Oracle/app/oracle/diag/rdbms/xx/xx1/trace/xx1_p485_28873.

Record A ORA-600 [13013] processing process and an alert Log with a ORA-600 [13013] error found after a database exception is completed Record A ORA-600 [13013] processing process and an alert Log with a ORA-600 [13013] error found after a database exception is completed Record one ORA-600 [13013] Process A ORA-600 [13013] error was found in the alert Log after a database exception was completed Thu Mar 08 23:29:37 2012 Errors infile/opt/Oracle/diag/rdbms/chf/trace/chf_smon_24137.

Basic Elementsthe day before yesterday finally successfully to the user to export the entire database, and today the user also told the export data can not be imported, first asked the user what error, to my answer is a ' job ' SYSTEM. " Sys_import_full_03 "Because of fatal error in XXXX elapsed 0 03:01:06 Stop", no other hints, the amount of information is too little, this processing is quite troublesome. Problem AnalysisStep One: First or add tracking informationstill have to rely on their own

A customer told me today that the logs of the slave database of a core database are increasing rapidly. Through checking, alert logs continuously report errors, as shown below: The code is as follows:Copy code Fri Dec 11 20:48:37 2015Incomplete read from log member '/arch2/2_82548_864474703.dbf'. Trying next member.Incomplete read from log member '/arch2/2_82548_864474703.dbf'. Trying next member. Archived Log entry 101817 added for thread 2 sequence 82548 ID 0xedd14d2a dest

slave machine. I went to work on Monday. I didn't remotely check the performance of this xx production center database and set anything because of other issues that need to be handled. This is also the case during the morning peak. In the afternoon, suddenly, RTX blinks the busy avatar, Y's. Click it, the testing department, the quality check department, the ETL department, and the xx data production department are shouting. How can we not connect to it? I also hurry to remotely look at this xx

Symptom:An error is reported in the alert Log when the Oracle database is started:SUCCESS: diskgroup DATADG was mountedErrors in file/oracle/app/11gR1/diag/rdbms/rac/rac2/trace/rac2_mmon_1_6.trc (incident = 240612 ):ORA-00600: internal error code, arguments: [kmgs_parameter_update_timeout_1], [17510], [], [], [], [], [], [], [], [], [], [], []ORA-17510: Attempt to do I/o beyond file sizeIncident details in:/oracle/app/11gR1/diag/rdbms/rac/rac2/inciden

Header_block, header_fileFrom Dba_segmentsWhere segment_name = 'test2' and owner = 'bys '; HEADER_BLOCK HEADER_FILE ------- Locate the field header from this statement ----------------------- 130 7 BYS @ bys3> select object_id, data_object_id from dba_objects where object_name = 'test2' and owner = 'bys '; OBJECT_ID DATA_OBJECT_ID ------------------------ 23199 23199 BYS @ bys3> alter table test2 allocate extent (size 960 k ); Table altered. BYS @ bys3> alter system dump datafile 7 block 130; S

Dumpleafblock of Oracle Index Dump the Oracle index leaf block F: \ oracle \ product \ 10.2.0 \ db_1 \ BIN> sqlplus/as sysdbaSQL * Plus: Release 10.2.0.4.0-Production on Thu Apr 9 06:28:17 2015 Copyright (c) 1982,200 7, Oracle. all Rights Reserved. connected to: Oracle Database 10g Enterprise Edition Release 10.2.0.4.0-64bit ProductionWith the Partitioning, OLAP, Data Mining and Real Application Testing options06: 39: 43 sys @ FS> alter session set events 'immediate trace name treedump level 100

/mapper/vgoradata-lvoradata144G 48G 90G 35%/u01/oradata/dev/mapper/vgbackup-lvbackup193G 7.8G 175G 5%/u01/backup via the following command find useless files, then delete [root @ ticketb ~] # Find/home/oracle/admin/dbticb/udump/-name "dbticb _*. trc "-mtime + 50 | xargs rm-rf. Then, check the disk space usage and find that no/home space has changed. [root @ ticketb ~] # Df-hFilesystem Size Used Avail Use % Mounted on/dev/sda1 981 M 203 M 729 M 22%/non

useless files. When I delete the files, I find that the available space has not changed OS: centos4.7: I found the current disk space usage: [root @ ticketb ~] # Df-hFilesystem Size Used Avail Use % Mounted on/dev/sda1 981 M 203 M 729 M 22%/none 16G 0 16G 0%/dev/shm/dev/sda9 2.9G 37 M 2.7G 2%/tmp/dev/sda7 4.9G 1.9G 2.7G 42%/usr/dev/sda8 2.9G 145 M 2.6G 6%/var/dev/mapper/vghome- lvhome 20G 19G 11 M 100%/home/dev/mapper/vgoradata-lvoradata 144G 48G 90G 35%/u01/oradata/dev/mapper/vgbackup-lvbackup

Create a Delete file script #!/bin/sh #定义所删除目录路径 location="/u01/app/oracle/admin/jmhrms/bdump" find $location -mtime +365 -type f -name ‘jmhrms_*.trc‘ -exec rm -f {} \; or #!/bin/sh Li class= "L1" > find / u01 / app / oracle / admin / jmhrms / bdump - mtime + 365 - type F - Span class= "PLN" >name ' jmhrms*.trc ' | xargs rm - f Find De

allocation is studied. ----Not adjusted before shared_pool_reserved_size ----A total of 4 heap Sql> host More/home/ora10g/admin/ora10g/udump/ora10g_ora_14042.trc|grep-i--color SGA HEAP DUMP HEAP name= "SGA HEAP" desc=0x60000058 HEAP DUMP HEAP name= "SGA HEAP (1,0)" Desc=0x60034fe0 HEAP DUMP HEAP name= "SGA HEAP (1,1)" desc=0x60036838 Chunk 0a3b7bc20 sz= 4190296 recreate "ksfd SGA I/o B" latch= (nil) HEAP DUMP HEAP name= "SGA HEAP (1,2)" desc=0x600380

The control file is a very important data structure for the database and is usually necessary for data recovery. Oracle provides two ways to back up control files: 1. Generate scripts that can reconstruct control files2. Backup binary control files Let's take a look at how to get the script to rebuild the control file. Oracle provides the following command: ALTER DATABASE backup Controlfile to trace; actual operation: [Oracle@standby tools]$ Sqlplus "/As SYSD

[Oracle@guoyj ~]$ Sqlplus/as SYSDBA sql> alter system dump DATAFILE 6 block 135; Eight, find the file dump Sql> Show parameter Dump NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ Background_core_dump string Partial Background_dump_dest String/u01/app/oracle/diag/rdbms/bxo Cp/bxocp/trace Open a new window again [Oracle@guoyj ~]$ Cd/u01/app/oracle/diag/rdbms/bxocp/bxocp/trace [Oracle@guoyj trace]$ Ls-lftr The following trace log is the

; 1234,serial_num => 56789,waits => true,binds true); EXEC dbms_monitor.session_trace_disable (session_id => 1234,serial_num => 56789); You can also set the 10046 event by using the Oradebug tool First, the session's OS process ID is obtained through v$process. Select S.username, P.spid os_process_id, P.pid oracle_process_id From V$session S, v$process p where s.paddr = p.addr and s.username = Upper (' Trace_username '); Or

Today found a pair of core files in the Cdump directory in the database. View alert log found all the ..... Wed Oct 09:58:51 Restarting dead background process CJQ0 Wed Oct-09:58:52 CJQ0 with pi d=43, OS id=5247 Exception [TYPE:SIGSEGV, Address not mapped to object] [addr:0x130000001e] [Pc:0x6e678e4, Kslgetl () + Errors in file/home/oracle/diag/rdbms/orarpt/orarpt/trace/orarpt_cjq0_5247.trc (incident=276255): ora-07445:exception Enco

Mon June 14:06:23 2018 Exception [TYPE:SIGSEGV, Si_kernel (general_protection)] [addr:0x0] [Pc:0xc9ccf40, RWSSTD () +32] [ flags:0x0, Count:1] Errors in file/u01/app/oracle/diag/rdbms/salesstdydb/salesstdydb/trace/salesstdydb_p000_ 161906.TRC (incident=600440) (pdbname=salespdb): ORA-07445::? RWSSTD () +32] [SIGSEGV] [addr:0x0] [pc:0 XC9CCF40] [Si_kernel (General_protection)] [] Incident details in:/u01/app/oracle/diag/rdbms/salesstdydb/salesstdydb /I