Tablespace size monitoring in Oracle 10g

Hello
Our environment: Oracle 10.2.0.3 3-node RAC, ASM, Linux x86-64
We are using EM Grid Control as a monitoring tool for RAC databases.
We have "tablespace SPACE USED (%)" metric configured for all RAC databases.
For some reason this metric does not work all the time and it does not alert dba when warning or critical threshold reached.
I'd like to hear from people how they monitor tablespace size in Oracle RAC environment with files in ASM.
Thank you,
Yelena

Yelena,
Your problem is realted to GC and it seems it's not configured properly. Kindly check and verify schedule also. May possible it's notifying to other person also..

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SNMP monitoring of Oracle 10g?

Hi there,
I'm curious about using SNMP technology to monitor Oracle 10g databases.
I've done some light reading on the subject and I'm now at the stage
where I have a few questions.
-What exactly do I need to configure in my Oracle 10g environment?
-Is Enterprise Manager the best and/or only UI available for me
to carry out configuration chores?
-I see no SNMP specific documentation for 10g; why is that?
-I do see a good document for 9i:
Oracle SNMP Support Reference Guide Release 9.2.0 Part Number A96672-01
http://download-west.oracle.com/docs/cd/B10501_01/em.920/a96672/toc.htm
Is the above document suitable for configuring SNMP monitoring of Oracle
in a 10g environment?
-moi

I'm able to set up traps via the EM website following these instructions:
http://download-west.oracle.com/docs/cd/B19306_01/em.102/b40002/notification.htm
However, what I'm really looking for is the ability to do snmp gets. I need functionality similar to how the old school DBSNMP under OMS used to work. These commands seem to be totally missing. I found the following documentation:
http://download-east.oracle.com/docs/cd/B19306_01/em.102/b16244/chap2.htm#sthref74
Which indicates there should be an snmp subfolder under $ORACLE_HOME/sysman, but that folder does not exist in my installation. I installed Oracle EE. Is there another package I need to install in order to make the subagent run like a normal snmp agent?
So far if I do a:
emctl start dbconsole
that starts up the EM Website and I can use that no probelm. If I...
emctl start agent -- I get:
Starting agent ... started.
issuing a 'emctl staus agent' gives me a normal status message. Things start to get strange when I try to start the subagent, which to my understanding is what I need running in order to to talk to net-snmp, which is the master agent running on this host. Here's what happens:
[zaro@cheetah bin]$ ./emctl start subagent
Oracle Enterprise Manager 10g Database Control Release 10.2.0.1.0
Copyright (c) 1996, 2005 Oracle Corporation. All rights reserved.
Starting sub agent .....started
[zaro@cheetah bin]$ ./emctl status subagent
Oracle Enterprise Manager 10g Database Control Release 10.2.0.1.0
Copyright (c) 1996, 2005 Oracle Corporation. All rights reserved.
Sub agent is not running..
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Tablespace Size Monitoring

Hello,
can anyone tell me if it is possible that I can set up OEM to send alerts for tablespaces which reach > 20 gigabtyes. I know very little about PL/SQL, so If anyone can provide a sample of how to code this in a windows environment, I would be very appreciative,
Regards
user563613

Check this:
[http://download.oracle.com/docs/cd/B19306_01/server.102/b14196/montune001.htm#CACCIHAB]

Is it possible to rename dictionary managed tablespace in oracle 10g?

Hi,
Assume my system tablespace is dictionary managed in oracle 10g and one of my permanent tablespace is dictionary managed.
Pls let me know that permanent dictionary managed tablespace can be renamed or not using rename tablespace command or only locally managed tablespaces can be renamed?
thanks,
DB

Hi Guys,
thanks for the replies.
As suggested, i created a database with dictionary managed system tablespace and users tablespace .
I was able to rename users tablespace to users_test.
Eventhough dictionary managed tablespace is deprecated in oracle 10g, it will be better if they just add a line in the 10gR2 documentation under renaming tablespaces section that dictionary managed tablespaces also can be renamed.
SQL> alter tablespace users rename to users_test;
Tablespace altered.
SQL> select tablespace_name,extent_management from dba_tablespaces;
TABLESPACE_NAME EXTENT_MAN
SYSTEM DICTIONARY
UNDOTBS1 LOCAL
SYSAUX LOCAL
TEMP LOCAL
USERS_TEST DICTIONARY
SQL> select * from v$instance;
INSTANCE_NUMBER INSTANCE_NAME HOST_NAME VERSION
1 dictest XXXXXX 10.2.0.1.0

How to check/find the size of current ROLLBACK segment in oracle 10g

How to check/find the size of current ROLLBACK segment in oracle 10g ? Kindly help

A rollback segment name like "_SYSSMU231$" is used when you have Automatic Undo Management enabled.
The only relevant parameters are :
1. UNDO_MANAGEMENT=AUTO
2. UNDO_RETENTION=n minutes ==> this is what everyone should be interested in
3. The sizes of the Undo Tablespace datafiles and whether AUTOEXTEND is ON or OFF
No one should be interested in the size of a single undo segment when Automatic Undo Management is enabled.
Possible causes of ORA-01555 errors in Automatic Undo Management
a. UNDO_RETENTION is too low
b. Undo tablespace is too small
Hemant K Chitale

Tablespace Reorganisation in Oracle 10g Database

Dear All,
I'm planning of doing a carrying out a Tablespace Reorganisation of the schema tablespace on the production server. I need your views regarding the process to be taken and tuning that is required before carrying out such an activity. For your information, the size of the tablespace is around 3TB. Also, since it is the production server, we can't have an outage for more than 24hrs. Hence, I would like some help from all of you in order to carry out this activity successfully in the time frame.
Regarding the process :
I have some ideas about how to do the tablespace reorganisation in oracle 10g. But, if I carry out the activity my way, its going it to take atleast 3-4 days to complete (which won't be acceptable).
Areas of concern :
1) Steps to perform the tablespace reorganisation in Oracle 10g DB.
2) Size of the temporary tablespace before starting the Reorg.
3) Any further suggestions / recomendations regarding tuning up of Oracle Parameters for enhancement of speed and acuracy of the activity.
System Specifications :
SAP - BI 7.0 (SAP NetWeaver 2004s)
DB - Oracle 10.2.0.2.0, DBSL Patch Level - 158
OS - AIX 5.3
Looking forward to some good and prompt suggestions from all of you !!
Please provide your valuable inputs.
NOTE :: We have successfully performed the reorganization in the rest of the landscape on the same schema tablespace without any issues.
Thanks and Regards,
Deoraj Alok.

It is quite an old thread, but let me put in my view points, which could help others.
1. The Size of PSAPTEMP and PSAPUNDO tablespace should be 1.5*largest Table Size.
2. Another Important thing is , if the time is in an issue, what you can do is to reorg. only top 50 largest tables where maximum space is being wasted. Folowing is the query to determine the TOP 50 tables which has the highest WASTED size.
SELECT * FROM
(SELECT
SUBSTR(TABLE_NAME, 1, 21) TABLE_NAME,
NUM_ROWS,
AVG_ROW_LEN ROWLEN,
BLOCKS,
+ROUND((AVG_ROW_LEN + 1) * NUM_ROWS / 1000000, 0) NET_MB,+
+ROUND(BLOCKS * (8000 - 23 * INI_TRANS) *+
(1 - PCT_FREE / 100) / 1000000, 0) GROSS_MB,
ROUND((BLOCKS * (8000 - 23 * INI_TRANS) * (1 - PCT_FREE / 100) -
+(AVG_ROW_LEN + 1) * NUM_ROWS) / 1000000) "WASTED_MB",+
Tablespace_Name
FROM DBA_TABLES
WHERE
NUM_ROWS IS NOT NULL AND
OWNER LIKE 'SAP%' AND
PARTITIONED = 'NO' AND
(IOT_TYPE != 'IOT' OR IOT_TYPE IS NULL)
ORDER BY 7 DESC)
WHERE ROWNUM <=50;
I am sure that, only these 50 tables will reduce the maximum space and you can ignore rest of the tables.
3. Even you can find out all the Tables which are having LONG and LONG RAW fields by using this query
Select Distinct TABLE_NAME From dba_tab_cols Where Owner='SAPYSP' and (DATA_TYPE='LONG' OR DATA_TYPE='LONG RAW');
Now, from the results of this query you can see how many Tables are present in the Top 50 Tables. There will be a few only and you can export/import these few tables in offline mode.
4. After reorg, fi you want to claim the free disk space also, it would not be that easy because of the high water mark present in datafiles but you can try with
Alter datafile <datafile id> resize <Size>M
5. If free disk space is the first priority the you need to create another Table space (which should have size as big as it can have all the tables) and you re-organize in this new tablespace. After Reorg, drop the old tablespace and rename the new Table space with the old one (Rename Tablespace Command will work only in Oracle 10g).
I hope this information helps all those who are going to do reorg in their respective projects. However, You can further put your question if in doubt and I will try to answer them.

What is the use of SYSAUX Tablespace in Oracle 10G

Dear Experts,
Please Tell me What is the use of SYSAUX Tablespace in Oracle 10G Because
during Web Load Testing It is going to increase countinuosly.Although i am not using this with any tables.
How Can I find out the what is gong on in this.
Can I Remove this tablesspace and other non using Schemas like FLOWS_020100,MDSYS,OUTLN,DIP and TSMSYS etc.

What is SYSAUX?
The SYSAUX tablespace provides storage of non-sys-related tables and indexes that traditionally were placed in the SYSTEM tablespace. For example, the tables and indexes that were previously owned by the system user can now be specified for a SYSAUX tablespace. Unfortunately, Oracle still places the SCOTT schema and the other demonstration schemas in the SYSTEM tablespace. Go figure.
The SYSAUX tablespace is specified with the CREATE DATABASE command. This is demonstrated in the example database creation script in Figure 1.1.
CREATE DATABASE test
MAXINSTANCES 1
MAXLOGHISTORY 1
MAXLOGFILES 5
MAXLOGMEMBERS 3
MAXDATAFILES 100
DATAFILE '/usr/oracle/OraHome1/oradata/aultdb1/test/system01.dbf' SIZE 300M REUSE AUTOEXTEND ON NEXT 10240K MAXSIZE UNLIMITED
EXTENT MANAGEMENT LOCAL
SYSAUX DATAFILE '/usr/oracle/OraHome1/oradata/aultdb1/test/sysaux01.dbf' SIZE 120M REUSE AUTOEXTEND ON NEXT 10240K MAXSIZE UNLIMITED
DEFAULT TEMPORARY TABLESPACE TEMP TEMPFILE '/usr/oracle/OraHome1/oradata/aultdb1/test/temp01.dbf' SIZE 20M REUSE AUTOEXTEND ON NEXT 640K MAXSIZE UNLIMITED EXTENT MANAGEMENT LOCAL
UNDO TABLESPACE "UNDOTBS1" DATAFILE '/usr/oracle/OraHome1/oradata/aultdb1/test/undotbs01.dbf' SIZE 200M REUSE AUTOEXTEND ON NEXT 5120K MAXSIZE UNLIMITED
CHARACTER SET WE8ISO8859P1
NATIONAL CHARACTER SET AL16UTF16
LOGFILE GROUP 1 ('/usr/oracle/OraHome1/oradata/aultdb1/test/redo01.log') SIZE 10240K,
GROUP 2 ('/usr/oracle/OraHome1/oradata/aultdb1/test/redo02.log') SIZE 10240K,
GROUP 3 ('/usr/oracle/OraHome1/oradata/aultdb1/test/redo03.log') SIZE 10240K
USER SYS IDENTIFIED BY "password" USER SYSTEM IDENTIFIED BY "password";
Oracle10g sysaux
With the new SYSAUX tablespace, Oracle comes closer to providing all the needed tablespaces for a truly OFA-compliant database right out of the box. With just one CREATE DATABASE command we can specify the SYSTEM tablespace, the TEMPORARY tablespace, the AUXSYS tablespace, the default UNDO tablespace, and the redo logs.
Of course, with the Oracle Managed Files option you can create an entire database with a single command, but the database created is not suitable for production use and is not OFA-compliant.
The SYSAUX tablespace is required in all new 10g databases. Only the SYSAUX tablespace datafile location is specified. Oracle specifies the remainder of the tablespace properties including:
online
permanent
read write
extent managment local
segment space management auto
If a datafile is specified for the SYSTEM tablespace, then one must be specified for the SYSAUX tablespace as well. If one is not specified, then the CREATE DATABASE command will fail. The only exception is for an Oracle Managed File system.
During any update of a database to Oracle Database 10g, a SYSAUX tablespace must be created or the upgrade will fail. The SYSAUX tablespace has the same security profile as the SYSTEM tablespace. However, loss of the SYSAUX tablespace will not result in a database crash, only the functional loss of the schemas it contains.
Can I drop SysAux?
DROP DATAFILE
Read this...

DB2 UDB - Oracle 10g Size Difference

Hi -
We are looking to migrate a production database from DB2 UDB to Oracle 10g. Can anyone provide any insight as to what kind of size changes we can expect?
Thanks!

I don't know even the a b c of DB2 but still I can say that it must be saving some sort of metadata as oracle. In oracle 10g the extra tablespaces which you must have to create are SYSTEM and SYSAUX which actually store the metadata and AWR information. How big your current database is on DB2, check it with and without metadata.
Daljit Singh

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Hi,
I am using Oracle 10g, version-10.1.0.4.2 and OS- Windows XP.
What should be the maximum size of a package in oracle 10g ?
Thank u....!
Ravi

http://download.oracle.com/docs/cd/B14117_01/server.101/b10755/limits003.htm#sthref3594
Nicolas.

Appropriate size for Autoextending datafile in oracle 10g

Hi,
I am using Oracle 10g 10.2.0.3.0 on linux 64 bit with 16GB RAM, one thing i want to find out that i have my schema datafile, which set on autoextend, i have set next size to 100mb, if the file reaches to its full does it make us wait for long to create a place of 100mb or should i reduce the size from 100mb to 10mb.
What should be the appropriate Next size in Autoextend for oracle database in my case, if there is a performance problem like login delay in schema due to increasing in size of datafile then how do i find out because i do not have database diagnostic tools.
Because today there was a delay in login to the schema and EM was showing wait, but i could not find out that why the wait was there, when i check the datafile size it was 1203 MB , i thought it may be due to the extension of data file but how do i confirm this thing.
In the table DBA_ADVISOR_FINDINGS it is giving following problem
Problem PL/SQL execution consumed significant database time.
Symptom Wait class "Network" was consuming significant database time.
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Slow connect is not related with datafile extension.
Regarding Wait event "TCP Socket (KGAS)"
Please read Metalink note 416451.1
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Can I import a tablespace into Oracle 10g Express Edition

I am very new to Oracle 10g Express Edition. We have a server running Oracle Enterprise Edition and we have been creating a transportable tablespace to be imported into a few servers. This works fine for us. I would like to find out if I can import the tablespace into Oracle 10g Express Edition. Someone told me that I should be able to do that but I have no clue to how to do it. If this is possible, can someone tell where to find the information how to do this.
Thanks,
RJ

I finally tried it and I got the following errors:
IMP-00017: following statement failed with ORACLE error 721:
"BEGIN sys.dbms_plugts.checkCompType('COMPATSG','10.2.0.2.0'); END;"
IMP-00003: ORACLE error 721 encountered
ORA-00721: changes by release 10.2.0.2.0 cannot be used by release 10.2.0.1.0
ORA-06512: at "SYS.DBMS_PLUGTS", line 2004
ORA-06512: at line 1
IMP-00000: Import terminated unsuccessfully
Am I right that the server that I exported the tablespace is using Oracle 10.2.0.2.0 while Oracle Express is 10.2.0.1.0? I looked around and I did not see Oracle Express version 10.2.0.2.0 that I can download. Is there a patch or something to upgrade it?
Thanks,
RJ

What is limit of database size in oracle 10g standard edition/edition one

Hai All,
What is the limit of database size in oracle 10g standard edition and standard edition one.. I see the white paper of oracle says that the limitation is 500 GB. This limitation is correct.? if correct then what happened after the limit..?
Please help?
Shiju

What white paper would that be? I can't see any limit in the Oracle Database 10g Editions comparisons.
C.

Create tablespace in Oracle 10g Express

Hi,
I've been playing around over the last few days with Oracle 10g Express and I need to create my own tablespace and therefore create user associated with my custom table space.
I tried with the command create tablespace, but I am not successful with configuring the parameters such as the datafile location and such. I did go through the Oracle Concepts Guide which was very helpful, but I must be missing something.
Also assuming that my db scheme will be part of my application and therefore released to my client as script so they can re-create my database how would the table space integration work on their end.
I would I have to place my first line of the script to create the table space and ask them for database file location?
Any advice will be appreciated.
Thank you in advance.

user12359577 wrote:
The reason why I think I should create my own tablespace is because I am creating a database scheme and thus I think it is appropriate to place my db scheme in its own tablespace instead of simply using the Users tablespace default.
This is my command:
create tablespace MYTBLSPACE;
Error:
Error starting at line 1 in command:
create tablespace MYTBLSPACE
Error at Command Line:1 Column:32
Error report:
SQL Error: ORA-02199: missing DATAFILE/TEMPFILE clause
02199. 00000 - "missing DATAFILE/TEMPFILE clause"
*Cause: A CREATE TABLESPACE statement has no DATAFILE/TEMPFILE clause.
*Action: Specify a DATAFILE/TEMPFILE clause.
I am also not sure how to specify the datafile.
Thank you.How about checking with the fine SQL Reference manual for the syntax of the CREATE TABLESPACE command?
Learning where to look things up in the documentation is time well spent investing in your career. To that end, you should drop everything else you are doing and do the following:
Go to tahiti.oracle.com. Drill down to your product and version.
Spend a few minutes just getting familiar with what is available here. Take special note of the "books" and "search" tabs. Under the "books" tab you will find the complete documentation library.
Spend a few minutes just getting familiar with what kind of documentation is available there by simply browsing the titles under the "Books" tab.
Open the Reference Manual and spend a few minutes looking through the table of contents to get familiar with what kind of information is available there.
Do the same with the SQL Reference Manual.
Do the same with the Utilities manual.
You don't have to read the above in depth. They are reference manuals. Just get familiar with what is there to be referenced. Ninety percent of the questions asked on this forum can be answered in less than 5 minutes by simply searching one of the above manuals.
Then set yourself a plan to dig deeper.
- Read a chapter a day from the Concepts Manual.
- Take a look in your alert log. One of the first things listed at startup is the initialization parms with non-default values. Read up on each one of them in the Reference Manual.
- Take a look at your listener.ora, tnsnames.ora, and sqlnet.ora files. Go to the Network Administrators manual and read up on everything you see in those files.
- When you have finished reading the Concepts Manual, do it again.
Give a man a fish and he eats for a day. Teach a man to fish and he eats for a lifetime.
Edited by: EdStevens on Mar 3, 2010 10:13 AM
Edited by: EdStevens on Mar 3, 2010 10:15 AM

Max size of integer in oracle 10g

Hi,
What will be the max size of integer in oracle 10g
Any idea??
Thanks

Read exactly what others have written about integer representation in Oracle and read the rest of the documentation in the Oracle manual about data types and numbers. That is the only way you will learn what you need.
Your code does not work, because you have written it wrong! That is why you need to read the manuals properly and understand them. Then you will know what you should have written, and why your code does not work.
Hi,
its said that the maximum precision for a number is 38 but the below code does execute....
declare
a number;
begin
a :=
111111111111111111111111111111111111111111111111111111
111111111111111111111111111111111111111111111111111111
111111111111111111;
end;
The same if i declare a as integer will fail during execution
Any ideas plz
ThanksA number() is a floating point number. An integer is a fixed point number. There is a difference. Try number (38) as your data type.
By my count you have 126 1's in your number. You have already been told that Oracle stores integers with up to 38 digits. No wonder it fails. Lose about 90 of the 1's and it might work.
John

How can i increase sga size in oracle 10g

Hello friends
how can i increase my sga size in oracle 10g
Regards
Vicky
Edited by: Vignesh Chinnasamy on 31-Jul-2012 02:28

HI
**SQL> Show parameter sga ;**
NAME                                 TYPE        VALUE
lock_sga                             boolean     FALSE
pre_page_sga                         boolean     FALSE
sga_max_size                         big integer 2G
sga_target                           big integer 2G
**SQL> show parameter memory;**
NAME                                 TYPE        VALUE
hi_shared_memory_address             integer     0
shared_memory_address                integer     0
**[root@mte ~]# ulimit -a**
core file size          (blocks, -c) 0
data seg size           (kbytes, -d) unlimited
file size               (blocks, -f) unlimited
pending signals                 (-i) 1024
max locked memory       (kbytes, -l) 32
max memory size         (kbytes, -m) unlimited
open files                      (-n) 1024
pipe size            (512 bytes, -p) 8
POSIX message queues     (bytes, -q) 819200
stack size              (kbytes, -s) 10240
cpu time               (seconds, -t) unlimited
max user processes              (-u) 278528
virtual memory          (kbytes, -v) unlimited
file locks                      (-x) unlimited
*[root@mte ~]#*

Tablespace size monitoring in Oracle 10g

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