Log files in bdump and udump

Respected Sir
Its very serious because log files in bump and udump are created frequently and they take too much space.
The problem is that i am not able to understand or solve these problem.I am pasting few log here.
BDUMP->
Dump file h:\oracle\product\10.2.0\admin\orcl2\bdump\orcl2_lgwr_1364.trc
Thu Jul 30 09:15:58 2009
ORACLE V10.2.0.1.0 - Production vsnsta=0
vsnsql=14 vsnxtr=3
Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, OLAP and Data Mining options
Windows Server 2003 Version V5.2 Service Pack 1
CPU : 4 - type 586, 1 Physical Cores
Process Affinity : 0x00000000
Memory (Avail/Total): Ph:3481M/4094M, Ph+PgF:5024M/5975M, VA:1290M/2047M
Instance name: orcl2
Redo thread mounted by this instance: 1
Oracle process number: 6
Windows thread id: 1364, image: ORACLE.EXE (LGWR)
*** 2009-07-30 09:15:58.687
*** SERVICE NAME:() 2009-07-30 09:15:58.671
*** SESSION ID:(166.1) 2009-07-30 09:15:58.671
Media recovery not enabled or manual archival only 0x10000
Maximum redo generation record size = 156160 bytes
Maximum redo generation change vector size = 150672 bytes
*** 2009-07-30 10:34:04.875
Media recovery not enabled or manual archival only 0x10000
*** 2009-07-30 10:34:28.312
Media recovery not enabled or manual archival only 0x10000
*** 2009-07-30 11:23:36.000
Media recovery not enabled or manual archival only 0x10000
*** 2009-07-30 18:06:53.718
Media recovery not enabled or manual archival only 0x10000
*** 2009-07-30 22:02:26.734
Media recovery not enabled or manual archival only 0x10000
*** 2009-07-31 04:55:48.312
Media recovery not enabled or manual archival only 0x10000
UDUMP
Dump file h:\oracle\product\10.2.0\admin\orcl2\udump\orcl2_ora_192.trc
Wed Jul 29 12:34:17 2009
ORACLE V10.2.0.1.0 - Production vsnsta=0
vsnsql=14 vsnxtr=3
Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, OLAP and Data Mining options
Windows Server 2003 Version V5.2 Service Pack 1
CPU : 4 - type 586, 1 Physical Cores
Process Affinity : 0x00000000
Memory (Avail/Total): Ph:3653M/4094M, Ph+PgF:5205M/5975M, VA:1325M/2047M
Instance name: orcl2
Redo thread mounted by this instance: 0 <none>
Oracle process number: 149
Windows thread id: 192, image: ORACLE.EXE (SHAD)
*** SERVICE NAME:() 2009-07-29 12:34:17.703
*** SESSION ID:(159.1) 2009-07-29 12:34:17.703
kccsga_update_ckpt: num_1 = 8, num_2 = 0, num_3 = 0, lbn_2 = 0, lbn_3 = 0
Successfully allocated 3 recovery slaves
Using 364 overflow buffers per recovery slave
Thread 1 checkpoint: logseq 317, block 2, scn 2070858
cache-low rba: logseq 317, block 3
on-disk rba: logseq 317, block 248, scn 2071389
start recovery at logseq 317, block 3, scn 0
----- Redo read statistics for thread 1 -----
Read rate (ASYNC): 122Kb in 0.35s => 0.34 Mb/sec
Total physical reads: 4096Kb
Longest record: 8Kb, moves: 0/201 (0%)
Longest LWN: 10Kb, moves: 0/63 (0%), moved: 0Mb
Last redo scn: 0x0000.001f9b5c (2071388)
----- Recovery Hash Table Statistics ---------
Hash table buckets = 32768
Longest hash chain = 1
Average hash chain = 92/92 = 1.0
Max compares per lookup = 1
Avg compares per lookup = 598/690 = 0.9
*** 2009-07-29 12:34:24.015
KCRA: start recovery claims for 92 data blocks
*** 2009-07-29 12:34:24.343
KCRA: blocks processed = 92/92, claimed = 92, eliminated = 0
*** 2009-07-29 12:34:24.390
Recovery of Online Redo Log: Thread 1 Group 1 Seq 317 Reading mem 0
----- Recovery Hash Table Statistics ---------
Hash table buckets = 32768
Longest hash chain = 1
Average hash chain = 92/92 = 1.0
Max compares per lookup = 1
Avg compares per lookup = 690/690 = 1.0
Thanks

You will still get lots of messages. Which messages depends on many things, some of which are changes you can make in the init files. On others, Oracle only knows to get rid of them if people log support calls. Whether they decide to get rid of them is mysterious, but probably not likely on a version soon to stop development.
Don't get mad at Hemant, he's just an experienced guy trying to help you, for free. You can get mad at me though, because my cares are elsewhere. You can get mad at Oracle too, because this is evidence of sloppiness on their part. But be nice to the support people, it's not their fault, they're being paid to help you. Though you can get mad at them if they don't help you after you've paid them, and you've jumped through hoops to get their attention.

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Very high log file sequential read and control file sequential read waits?

I have a 10.2.0.4 database and have 5 streams capture processes running to replicate data to another database. However I am seeing very high
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There is insufficient information in what you have posted to know that your analysis of the situation is correct or anything about your Streams environment.
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We don't have any AWR or ASH data to look at.
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Added ASUI.log file from ./hostctrl/wok folder and a text file with the error.

Hi all,
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The errors aren't showing up on the client side, only in the server access logs. Every time the page is loaded with IE8 or IE9 and the Muse.Utils.addSelectorFn with the #slideshowu70 line is hit, it generates four errors in the server access logs.
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Top 5 Timed Events
~~~~~~~~~~~~~~~~~~ % Total
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log file sync 349,713 215,674 74.13
db file sequential read 16,955,622 31,342 10.77
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log file sync 349,713 150,785 215,674 617 1.8
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Top 5 Timed Events
~~~~~~~~~~~~~~~~~~ % Total
Event Waits Time (s) Ela Time
log file sync 349,713 215,674 74.13
db file sequential read 16,955,622 31,342 10.77
CPU time 21,787 7.49
direct path read (lob) 92,762 8,910 3.06
db file scattered read 4,335,034 4,439 1.53
Avg
Total Wait wait Waits
Event Waits Timeouts Time (s) (ms) /txn
log file sync 349,713 150,785 215,674 617 1.8
db file sequential read 16,955,622 0 31,342 2 85.9What's the time frame of this report on?
It looks like your disk storage can't keep up with the volume of I/O requests from your database.
The first few thing need to look at, what're IO intensive SQLs in your database. Are these SQLs doing unnecessary full table scan?
Find out the hot blocks and the objects they belong.
Check v$session_wait view.
Is there any other suspicious activity going on in your Server ? Like other program other than Oracle doing high IO activities? Are there any core dump going on?

I am geting errors in my database alert log file ora-12012 and ora 44003

Hi all,
I am using oracle 10g ...10.2.0.1.0 and OS is solaris 10.......
i am geting these errors in my database alert log file last two days..i am not geting why it is coming?
ORA-12012: error on auto execute of job 8887
ORA-44003: invalid SQL name
and trace file is i got i am posting here please help any one is aware about this....
System name: SunOS
Node name: obrmzone1
Release: 5.10
Version: Generic_137111-06
Machine: sun4v
Instance name: ------
Redo thread mounted by this instance: 1
Oracle process number: 144
Unix process pid: 26874, image:--------- (J000)
*** ACTION NAME:(AUTO_SPACE_ADVISOR_JOB) 2011-06-10 22:00:49.372
*** MODULE NAME:(DBMS_SCHEDULER) 2011-06-10 22:00:49.372
*** SERVICE NAME:(SYS$USERS) 2011-06-10 22:00:49.372
*** SESSION ID:(110.7114) 2011-06-10 22:00:49.372
*** 2011-06-10 22:00:49.372
ORA-12012: error on auto execute of job 8887
ORA-44003: invalid SQL name
thank you in advance,
Dav

I just google with "ORA-44003: invalid SQL name" and found below link:
http://www.oracle-base.com/articles/10g/dbms_assert_10gR2.php
SIMPLE_SQL_NAME
The SIMPLE_SQL_NAME function checks the input string conforms to the basic characteristics of a simple SQL name:
The first character of the name is alphabetic.
The name only contains alphanumeric characters or the "_", "$", "#"
Quoted names must be enclosed by double quotes and may contain any characters, including quotes provided they are represented by two quotes in a row ("").
The function ignores leading and trailing white spaces are ignored
The length of the input string is not validated.

Log file sequential read and RFS ping/write - among Top 5 event

I have situation here to discuss. In a 3-node RAC setup which is Logical standby DB; one node is showing high CPU utilization around 40~50%. The CPU utilization was less than 20% 10 days back but from 9th oldest day it jumped and consistently shows the double figure. I ran AWR reports on all three nodes and found one node with high CPU utilization and shows below tops events-
EVENT WAITS TIME(S) AVG WAIT(MS) %TOTAL CALL TIME WAIT CLASS
CPU time 5,802 34.9
RFS ping 15 5,118 33,671 30.8 Other
Log file sequential read 234,831 5,036 21 30.3 System I/O
Sql*Net more data from
client 24,171 1,087 45 6.5 Network
Db file sequential read 130,939 453 3 2.7 User I/O
Findings:-
On AWR report(file attached) for node= sipd207; we can see that "RFS PING" wait event takes 30% of the waits and "log file sequential read" wait event takes 30% of the waits that occurs in database.
Environment :- (Oracle- 10.2.0.4.0, O/S - AIX .3)
1)other node awr shows "log file sync" - is it due to oversized log buffer?
2)Network wait events can be reduced by tweaking SDU & TDU values based on MDU.
3) Why ARCH processes taking much to archives filled redo logs; is it issue with slow disk I/O?
Regards
WORKLOAD REPOSITORY report for<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<DB Name DB Id Instance Inst Num Release RAC Host
XXXPDB 4123595889 XXX2p2 2 10.2.0.4.0 YES sipd207
Snap Id Snap Time Sessions Curs/Sess
Begin Snap: 1053 04-Apr-11 18:00:02 59 7.4
End Snap: 1055 04-Apr-11 20:00:35 56 7.5
Elapsed: 120.55 (mins)
DB Time: 233.08 (mins)
Cache Sizes
~~~~~~~~~~~ Begin End
Buffer Cache: 3,728M 3,728M Std Block Size: 8K
Shared Pool Size: 4,080M 4,080M Log Buffer: 14,332K
Load Profile
~~~~~~~~~~~~ Per Second Per Transaction
Redo size: 245,392.33 10,042.66
Logical reads: 9,080.80 371.63
Block changes: 1,518.12 62.13
Physical reads: 7.50 0.31
Physical writes: 44.00 1.80
User calls: 36.44 1.49
Parses: 25.84 1.06
Hard parses: 0.59 0.02
Sorts: 12.06 0.49
Logons: 0.05 0.00
Executes: 295.91 12.11
Transactions: 24.43
% Blocks changed per Read: 16.72 Recursive Call %: 94.18
Rollback per transaction %: 4.15 Rows per Sort: 53.31
Instance Efficiency Percentages (Target 100%)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Buffer Nowait %: 99.99 Redo NoWait %: 100.00
Buffer Hit %: 99.92 In-memory Sort %: 100.00
Library Hit %: 99.83 Soft Parse %: 97.71
Execute to Parse %: 91.27 Latch Hit %: 99.79
Parse CPU to Parse Elapsd %: 15.69 % Non-Parse CPU: 99.95
Shared Pool Statistics Begin End
Memory Usage %: 83.60 84.67
% SQL with executions>1: 97.49 97.19
% Memory for SQL w/exec>1: 97.10 96.67
Top 5 Timed Events Avg %Total
~~~~~~~~~~~~~~~~~~ wait Call
Event Waits Time (s) (ms) Time Wait Class
CPU time 4,503 32.2
RFS ping 168 4,275 25449 30.6 Other
log file sequential read 183,537 4,173 23 29.8 System I/O
SQL*Net more data from client 21,371 1,009 47 7.2 Network
RFS write 25,438 343 13 2.5 System I/O
RAC Statistics DB/Inst: UDAS2PDB/udas2p2 Snaps: 1053-1055
Begin End
Number of Instances: 3 3
Global Cache Load Profile
~~~~~~~~~~~~~~~~~~~~~~~~~ Per Second Per Transaction
Global Cache blocks received: 0.78 0.03
Global Cache blocks served: 1.18 0.05
GCS/GES messages received: 131.69 5.39
GCS/GES messages sent: 139.26 5.70
DBWR Fusion writes: 0.06 0.00
Estd Interconnect traffic (KB) 68.60
Global Cache Efficiency Percentages (Target local+remote 100%)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Buffer access - local cache %: 99.91
Buffer access - remote cache %: 0.01
Buffer access - disk %: 0.08
Global Cache and Enqueue Services - Workload Characteristics
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Avg global enqueue get time (ms): 0.5
Avg global cache cr block receive time (ms): 0.9
Avg global cache current block receive time (ms): 1.0
Avg global cache cr block build time (ms): 0.0
Avg global cache cr block send time (ms): 0.1
Global cache log flushes for cr blocks served %: 2.9
Avg global cache cr block flush time (ms): 4.6
Avg global cache current block pin time (ms): 0.0
Avg global cache current block send time (ms): 0.1
Global cache log flushes for current blocks served %: 0.1
Avg global cache current block flush time (ms): 5.0
Global Cache and Enqueue Services - Messaging Statistics
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Avg message sent queue time (ms): 0.1
Avg message sent queue time on ksxp (ms): 0.6
Avg message received queue time (ms): 0.0
Avg GCS message process time (ms): 0.0
Avg GES message process time (ms): 0.1
% of direct sent messages: 31.57
% of indirect sent messages: 5.17
% of flow controlled messages: 63.26
Time Model Statistics DB/Inst: UDAS2PDB/udas2p2 Snaps: 1053-1055
-> Total time in database user-calls (DB Time): 13984.6s
-> Statistics including the word "background" measure background process
time, and so do not contribute to the DB time statistic
-> Ordered by % or DB time desc, Statistic name
Statistic Name Time (s) % of DB Time
sql execute elapsed time 7,270.6 52.0
DB CPU 4,503.1 32.2
parse time elapsed 506.7 3.6
hard parse elapsed time 497.8 3.6
sequence load elapsed time 152.4 1.1
failed parse elapsed time 19.5 .1
repeated bind elapsed time 3.4 .0
PL/SQL execution elapsed time 0.7 .0
hard parse (sharing criteria) elapsed time 0.3 .0
connection management call elapsed time 0.3 .0
hard parse (bind mismatch) elapsed time 0.0 .0
DB time 13,984.6 N/A
background elapsed time 869.1 N/A
background cpu time 276.6 N/A
Wait Class DB/Inst: UDAS2PDB/udas2p2 Snaps: 1053-1055
-> s - second
-> cs - centisecond - 100th of a second
-> ms - millisecond - 1000th of a second
-> us - microsecond - 1000000th of a second
-> ordered by wait time desc, waits desc
Avg
%Time Total Wait wait Waits
Wait Class Waits -outs Time (s) (ms) /txn
System I/O 529,934 .0 4,980 9 3.0
Other 582,349 37.4 4,611 8 3.3
Network 279,858 .0 1,009 4 1.6
User I/O 54,899 .0 317 6 0.3
Concurrency 136,907 .1 58 0 0.8
Cluster 60,300 .0 41 1 0.3
Commit 80 .0 10 130 0.0
Application 6,707 .0 3 0 0.0
Configuration 17,528 98.5 1 0 0.1
Wait Events DB/Inst: UDAS2PDB/udas2p2 Snaps: 1053-1055
-> s - second
-> cs - centisecond - 100th of a second
-> ms - millisecond - 1000th of a second
-> us - microsecond - 1000000th of a second
-> ordered by wait time desc, waits desc (idle events last)
Avg
%Time Total Wait wait Waits
Event Waits -outs Time (s) (ms) /txn
RFS ping 168 .0 4,275 25449 0.0
log file sequential read 183,537 .0 4,173 23 1.0
SQL*Net more data from clien 21,371 .0 1,009 47 0.1
RFS write 25,438 .0 343 13 0.1
db file sequential read 54,680 .0 316 6 0.3
DFS lock handle 97,149 .0 214 2 0.5
log file parallel write 104,808 .0 157 2 0.6
db file parallel write 143,905 .0 149 1 0.8
RFS random i/o 25,438 .0 86 3 0.1
RFS dispatch 25,610 .0 56 2 0.1
control file sequential read 39,309 .0 55 1 0.2
row cache lock 130,665 .0 47 0 0.7
gc current grant 2-way 35,498 .0 23 1 0.2
wait for scn ack 50,872 .0 20 0 0.3
enq: WL - contention 6,156 .0 14 2 0.0
gc cr grant 2-way 16,917 .0 11 1 0.1
log file sync 80 .0 10 130 0.0
Log archive I/O 3,986 .0 9 2 0.0
control file parallel write 3,493 .0 8 2 0.0
latch free 2,356 .0 6 2 0.0
ksxr poll remote instances 278,473 49.4 6 0 1.6
enq: XR - database force log 2,890 .0 4 1 0.0
enq: TX - index contention 325 .0 3 11 0.0
buffer busy waits 4,371 .0 3 1 0.0
gc current block 2-way 3,002 .0 3 1 0.0
LGWR wait for redo copy 9,601 .2 2 0 0.1
SQL*Net break/reset to clien 6,438 .0 2 0 0.0
latch: ges resource hash lis 23,223 .0 2 0 0.1
enq: WF - contention 32 6.3 2 62 0.0
enq: FB - contention 660 .0 2 2 0.0
enq: PS - contention 1,088 .0 2 1 0.0
library cache lock 869 .0 1 2 0.0
enq: CF - contention 671 .1 1 2 0.0
gc current grant busy 1,488 .0 1 1 0.0
gc current multi block reque 1,072 .0 1 1 0.0
reliable message 618 .0 1 2 0.0
CGS wait for IPC msg 62,402 100.0 1 0 0.4
gc current block 3-way 998 .0 1 1 0.0
name-service call wait 18 .0 1 57 0.0
cursor: pin S wait on X 78 100.0 1 11 0.0
os thread startup 16 .0 1 53 0.0
enq: RO - fast object reuse 193 .0 1 3 0.0
IPC send completion sync 652 99.2 1 1 0.0
local write wait 194 .0 1 3 0.0
gc cr block 2-way 534 .0 0 1 0.0
log file switch completion 17 .0 0 20 0.0
SQL*Net message to client 258,483 .0 0 0 1.5
undo segment extension 17,282 99.9 0 0 0.1
gc cr block 3-way 286 .7 0 1 0.0
enq: TM - contention 76 .0 0 4 0.0
PX Deq: reap credit 15,246 95.6 0 0 0.1
kksfbc child completion 5 100.0 0 49 0.0
enq: TT - contention 141 .0 0 2 0.0
enq: HW - contention 203 .0 0 1 0.0
RFS create 2 .0 0 115 0.0
rdbms ipc reply 339 .0 0 1 0.0
PX Deq Credit: send blkd 452 20.1 0 0 0.0
gcs log flush sync 128 32.8 0 2 0.0
latch: cache buffers chains 128 .0 0 1 0.0
library cache pin 441 .0 0 0 0.0
Wait Events DB/Inst: UDAS2PDB/udas2p2 Snaps: 1053-1055
-> s - second
-> cs - centisecond - 100th of a second
-> ms - millisecond - 1000th of a second
-> us - microsecond - 1000000th of a second
-> ordered by wait time desc, waits desc (idle events last)

We only apply on one node in a cluster so I would expect that the node running SQL Apply would have much higher usage and waits. Is this what you are asking?
Larry

Getting empty log files with log4j and WebLogic 10.0

Hi!
I get empty log files with log4j 1.2.13 and WebLogic 10.0. If I don't run the application in the application server, then the logging works fine.
The properties file is located in a jar in the LIB folder of the deployed project. If I change the name of the log file name in the properties file, it just creates a new empty file.
What could be wrong?
Thanks!

I assume that when you change the name of the expected log file in the properties file, the new empty file is that name, correct?
That means you're at least getting that properties file loaded by log4j, which is a good sign.
As the file ends up empty, it appears that no logger statements are being executed at a debug level high enough for the current debug level. Can you throw in a logger.error() call at a point you're certain is executed?

903/Enterprise; log files grow boundlessly and weekly bounces are needed

This feed back is the result of an eval of 903 IAS
enterprise on Solaris, 2 box cluster.
This feed back is FYI.
After installing IAS Enterprise 903 many times, testing
stop/start/reboot use cases I noticed that many internal
log files grow boundlessly.
I've seen the notes on turning down log levels. This
is still far from adequate. Log files in a 24x365
architecture must be managable and have finite maximum disk
space consumption sizes setable.
Framework error events also need to be hooked into an Enterprise
error and alert protocol. SNMP is not my favorite, but it's
a start. JMX is my favorite. Also check out the free
Big Brother monitor; www.bb4.com and it's wire protocol.
Thanks and best of luck,
Curt

Just curious whether other folks have any opinions on
OEM's suitability for a high rel. environment?
On log file management?
curt

GC.log File Size Limitation and Rotation

Hi,
Is it possible to limit the size of a GC.log file and to rotate it without causing havoc?
Best regards,
Katzensee

James Roller1 wrote:
You say, if you use 1024 x 768 images... that's just it: I'm just using the images without resizing. Some may be 4MB files when dragged in; others may be 300kb. I am not doing anything to them. Should I? Does that help? Or does IBA "handle all that" when I drag and drop?
It's not well documented. I get the impression that, if you drop an image that has resolution higher than 2048 x 1536, it is down-sampled to that size. You should at least crop the image outside IBA before dropping it in. If you want to save space, down-sample the image first to 1024 x 768 (after cropping).
James Roller1 wrote:
Also for the video: we're using iMovie and we just "Share" to iTunes and choose Large. Should I be choosing a lower setting or, again, does IBA not care and will take the Large and resize it?
Instead of sharing to iTunes, export the movie to iPad format (File -> Export) and select 640 x 480. That'll give you reasonable quality at around 12 MB per minute.
James Roller1 wrote:
I have to say I chuckled at the wisdom and simplicity of the 2 Volume suggestion. I'd like to keep it as one, and I'd like to sell it on the store, but your idea is ingenious in its simplicity: just make 2!
Thanks! Two's better'n one
Michi.

System.log file are large, and cause a kernel panic when deleting

Hello everyone,
I am trying to solve a dillema. I discovered that over 60GB of my 120GB SSD drive are taken up by system.log files. All 3 are around 20GB. I left my laptop running so none of them are the current one. They are system.log.0, system.log.3 and system.log.4. I have tried several ways to delete them:
Using Disksweeper
At a terminal prompt using sudo rm
At a terminal prompt using sudo su - (to get root access) and then rm -f ....
Rebooting the system in single user mode, mounting the drive and then attempting to delete them
Each time I do, the system reboots with a kernel panic. I have not looked at the panic log yet, but can post that if you need to.
I did look at the end of the current log file to discover there were some issues with programs, and I have fixed it so that these size log files "shouldn't" be generated anymore.
Looking for advice as to how to delete these files! This is driving me nuts. It shouldn't be this hard.
Thanks for any help or insight you can give.

OK, I actually was able to solve this myself. My problem was that ther kernel panic was caused by the journaling. So here is what I had to do:
I temporarily disabled journaling, see here: http://forums.macrumors.com/showthread.php?t=373067
Then I was able to delete the files by starting a terminal session and using sudo rm to delete the files.
Re-enabled journaling (I don't know if it is needed, but it was on before).
Hope this can help someone else in the future.

How can stop the bdump and udump trace files from accumulating?

The files are growing so until it is filling up the user's c: drive. It's hundreds of files over 20 megs.

Angela,
The management of those files is a reposnsibilty of the DBA. ie The files dumped there are from background processes, session traces and your alert log.
The alert log in bdump should be checked daily and errors investigated. Some errors will result in trace files being dumped. The alert log will always grow during normal operation and you can simply delete it or better yet zip it up and store it somewhere for a period of time.
You can clean up the udump user traces files by simply deleting them periodically. For other traces you should have a look to see what they are for. Any ORA 600 traces should be investigated.
If you are not a DBA and this seems to much trouble then you can just delete the files to reclaim the space.

Trying to install Photoshop Elements 12 from a DVD. I keep getting an error message that says "Error opening installation log file. Verify that the specified log file location exists and is writable." Have tried the solutions suggested on line but get t

Have tried turning explorer of and on again and other recommended solutions but nothing seems to work. Any suggestions?

David,
Can you please try Right-Click Setup.exe > Run As Administrator
and see if it helps.
Thanks,
Anwesha

Question regarding alert log file and trace files

What should be the alert log file size ? And when should it be deleted? And for how many days user trace files should be kept?
Also will anyone please tell me the importance of these files.
Thanks

This may help: http://download-east.oracle.com/docs/cd/B19306_01/server.102/b14231/manproc.htm#sthref729
There are a few discussions on it here:
Re: Alert Log File
alert log file contents viewing
Re: how to read alert log file? is there any tool available?

Log files in bdump and udump

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