Oracle Solid State Disk
Feb 1, 2013
I understand the architecture of solid state drives favor different types of I/O. Oracle 11g introduced the database flash cache which allows flash storage to be used as a secondary cache. With database flash cache serving as a secondary cache to my Oracle buffer cache.
My understanding is I need to config two database parameters DB_FLASH_CACHE_FILE and DB_FLASH_CACHE_SIZE. If i want to have certain tables/indexes to take advantage of this extra cache I would set the value KEEP within the parameter.
Is there anything that needs to be done to the tablespaces / datafiles.
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Aug 14, 2012
I am migrating data from a Solid Database to Oracle, I am using Flat Files to do that.
1.- I download the data to flat files from Solid
2.- I move the files to Oracle server
3.- I upload the data to Oracle
Now, I have done the 90% of the data base, but I have found some tables that has description columns and in this description the users writes enters, so when I try to upload the data to Oracle SQL loader cannot recognize this characters.
Example:
'25','0.','5.','0.','0.','0.','0.','0.','0.','0.','0.','0.','0.','',''
'26','0.','2.','0.','0.','0.','0.','3.','0.','0.','0.','0.','0.','',''
'27','0.','1.','0.','0.','0.','0.','0.','0.','0.','0.','0.','0.','',''
'28','0.','1.','0.','0.','0.','0.','0.','0.','0.','0.','0.','0.','',''
'29','0.','38.','0.','0.','0.','0.','0.','0.','0.','0.','0.','0.','',''
'30','0.','13.','0.','0.','0.','0.','0.','6.','0.','6.','0.','0.','|SE RECHAZA B20CS50SNW ^M
^M
SE RECHAZAN CINCO PZAS ^M
DOS MOD. HSC15I41EH,DOS MOD. HSK15I41EH |Agregó: 06/06/2009 12:22:50
|','DEV. A PROV.'
'31','0.','50.','0.','0.','0.','0.','0.','0.','0.','0.','0.','0.','',''
'32','0.','9.','0.','0.','0.','0.','0.','0.','0.','0.','0.','0.','',''
'33','0.','2.','0.','0.','0.','0.','0.','0.','0.','0.','0.','0.','',''
How can I solve this ?
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Aug 26, 2010
We have a Production Oracle 10g R2 RAC on HP-UX v2 IA64 servers.We have Two Disk Groups one for Archive (ARC_DISK - 100 GB) and other for Database(DATA_DISK - 1 TB]. We wanted to add more space to the DATA_DISK disk group.Unix admin configured 200 GB from SAN and changed the ownership of the Disk to oracle and permissions to 775 on 1st Node.I opended DBCA from 1st Node and was able to see the disk in 'Show Candidate'.
I added this disk to the DATA_DISK disk group and clicked OK but got ORA- error with some message like some operations could not be performed. I exited DBCA.We realized that we had forgotten to change the ownerhip and permission from the 2nd Node.Unix admin changed the ownership of the Disk to oracle and permissions to 775 on the 2nd Node.
I opened DBCA again from 1st Node and selected the DATA_DISK disk group but could not find the Disk in 'Show Candiate' open. I clicked on 'Show All' and this disk was shown with Header_Status - MEMBER but not allocated to DATA_DISKGROUP. When I clicked the 'Show Member' option, this disk is not shown for DATA_DISK disk group. I exited DBCA at this point.As this is a critcal Production database I didnt proceed any further and exited DBCA.
Now I need to add this Disk to the DATA_DISK disk group but not sure which option to select. I got one reply from another forum to run DBCA select the DATA_DISK Disk Group and then click 'Show All' and select this Disk (which already has MEMBER as Header Status) and select Force Option and click OK to continue.
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Jan 16, 2013
I Configured an ASM instance and a disk group with two disk for normal redundancy.
> Here .. each disk is 2gb
The disk group has two disks...
SQL> select group_number, name, type, total_mb, free_mb
2 from v$asm_diskgroup;
GROUP_NUMBER NAME TYPE TOTAL_MB FREE_MB
------------ ------------------------------ ------ ---------- ----------
1 DATA NORMAL 4000 3898
as the group has two way mirroring (Normal redundancy) How much data (2 GB or 4 GB) can i keep in the disk group? My conception is I can keep 2 GB data in the disk group... (as the disk group keeps every extent in another disk as mirror)
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Feb 17, 2011
I have 2 servers both having windows server 2008 64 bit as operating system installed on both I need to install oracle clusterware 11g r1 on both servers with clustering on external storage. I have configured the network(private,public and virtual) for both servers and have started the installation.
In the installation of oracle I add both servers but then I reach to a point where they ask me for voting disk or ocr disk in the cluster configuration storage but no disk is present how can i create ocr disk or voting disk on windows server 2008? And the external storage should I buy a special type of storage that supports clustering to continue my work?
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Nov 4, 2011
Tell me that in Oracle 11g, information regarding voting disk location is stored in which file ?
I know that we can use "crsctl query css votedisk" to see the location of voting disk, but from which file or place this command pick the information ?
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Apr 21, 2010
What is the query to check disk space usage for oracle 10g ? What is the query to check percent of disk space usage for oracle 10g ?
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Oct 18, 2013
If we want to know the number of instances, number of RAC databases and whole total disk space used by oracle (not file system size),1. Any script can be ran from OEM grid control against all instances/databases? or2. we have a repository unix server which has all tnsnames of whole databases, any script we can run from there?
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Jul 10, 2012
The block size of my db(10gr2) is 8k, and the db is on the raw device file system on a aix machine.
OS block size is 512k.
How much block will be read from disk when a single oracle io call occurs? Which one is currect, 8K or 512K?
If the block size for a single io call depends on the os block size (512k), I think os block size need to be tuned for oracle block size (8k). If we use raw device file system, os level block size has no meaning?
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Oct 25, 2012
I am using 11.2.0.1.0 on RHEL 5.4ASM is properly working on my machine. database is running from ASM. I want to configure additional oracleasm devices.command fails saying:
$ oracleasm createdisk ASMDISK08 /dev/xvd8
Writing disk header: done
Instantiating disk: failed
Clearing disk header: done
I am creating asm diskgroup on loopback devicesHere are the configured loopback devices.
[root@host1 ~]# ls -l /dev/loop[1-9]
brw-rw-rw- 1 oracle oinstall 7, 1 Oct 25 14:42 /dev/loop1
brw-rw-rw- 1 oracle oinstall 7, 2 Oct 25 14:42 /dev/loop2
brw-rw-rw- 1 oracle oinstall 7, 3 Oct 25 14:42 /dev/loop3
brw-rw-rw- 1 oracle oinstall 7, 4 Oct 25 14:42 /dev/loop4
[code]...
I am unable to understand where is the problem.
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Oct 17, 2013
We have 2 servers running Oracle 11gR2 Window server 2008 64 bit RAC. Today I add new shared disk visible from both servers. All our data placed on ASM partitions, but we need Windows volume for exchanging some data between servers & users;Actions:then i have prepare disk on shared storage from 1st node, run diskmfmt.msc & rescan disks when windows recognizes new hdd, initialize it.create an Extended partition & Logical drive & Assign drive letter. from another nodes, make sure no drive letter is assigned.
Sometimes Windows automatically assign drive letter. If drive letter is assigned, right click & Change drive letter & Remove. from 1st node, format this logical drive using ocfsFormat.exe after execute below scripts i have face some issues
E:app11.2.0gridcfs>ocfsformat /m P: /c 1024 /v DATA /f /d /aReg Get Cluster Name(): Reg Query ValueEx for CFS_CLUSTER_NAME failed with error 203
This indicates that the Cluster Name has not been configured on this node for OCFSThe volume formatted in this condition will be seen by all nodes running OCFS.
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Dec 11, 2012
I am having 2 data centers within 1/2 km distance. And we kept each vote disk in once site. In case of site failure, the cluster needs a 3rd set. We don't have 3rd site.
Last open world, Oracle announced that oracle storage on cloud as announced. If I get the small space on the cloud, can i put my 3rd vote disk on the cloud?
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Jul 1, 2012
i try to install oracle grid infrastructure 11r2 on cent OS 4.8 on vmware workstation 8.0.2..ASM disk is not showing ,i had also change disk discovery path to 'ORCL:*'i had already configure ASM disk using /etc/init.d/oracleasm createdisk...successfully..
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May 9, 2011
Is there any way to add one disk group space to another disk group. Because One of my disk group is full i want to add space in to that group.
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Sep 1, 2010
I can see the error in alert log like
2437312:ORA-12801: error signaled in parallel query server P009
2437313:ORA-01502: index 'POS.XIETBK_POS_FACT_TRAN_DATE' or partition of such index is in unusable state
and tried to rebuild the index and i got following error.
ORA-14086: a partitioned index may not be rebuilt as a whole.
The table size for the index is large. we need to rebuild the hole index.
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May 7, 2013
I made an Index Unused while doing some update by using sql developer right click 'Make unusealbe'. Now I need make it as useable.
marking as Usable. I have checked in all_indexes state is show as 'UNUSABLE'.
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Jul 9, 2013
I have got a table where the site address is stored as follows -
SOUTH PARK ROAD #822,,,,
HOLLYWOOD,FL,33021,,
USPO BOX 1111,,,,
PHILADELPHIA,PA,19178-3478,,
USNORTH AVE EAST,
P.O. BOX 1234,,,ELIZABETH,NJ,07207-6031,,
US12345 PARK SORRENTO SUITE 222,,,,
CALABASAS,CA,91302,,US
I have got 2 fields to be populated from this - CITYSTATE How can I pick up the 5th and 6th field separated by the comma.
For example: -
Following output should be shown for the above recordsCITY
STATEHOLLYWOOD FLPHILADELPHIA PAELIZABETH NJCALABASAS CA
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Jul 1, 2012
want to know the following
1. when the oracle session changed from active to inactive?
2. what is the time for active session?
3. session is changed to inactive from active. but it is still showing in v$session.
4. in v$session, can i see the ipaddress of client machine ?
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Mar 24, 2010
When i am writing a function (Stand alone or inside a Package) i know what i am writing, i know weather i am changing a Package state or weather i am changing a Database State. So what is the use for giving a PRAGMA RESTRICT_REFERENCE?
as for the other PRAGMAs EXECPTION_INIT is needed to Specify an error name to a specifiec error number so that i can use the error name to handle the exception. AUTONOMOUS_TRANSACTION is used to execute the SQL Operation inside a Block as a child Transaction.SERIALLY_REUSABLE states that a package variable doesnot persists throughout the session.
RESTRICT_REFERENCE states that the code should not do the following
RNPS : Read no package state,
WNPS : Write no package state
RNDS : Read no database state
WNDS : Write no database state
what is there to state as i know what my code is doing.
without specifing EXECPTION_INIT, AUTONOMOUS_TRANSACTION or SERIALLY_REUSABLE i cannot get a handler for an exception which doesnot have a handler, i cannot execute SQL Operations from inside the CODE autonomously or i cannot reuse the package variable, but without the RESTRICT_ REFERENCE is can ensure that my code in not doing (RNPS,WNPS,RNDS,WNDS).
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Feb 11, 2011
so here is the query : For every state, list the most popular product. Here is the query I have so far :
SELECT C.State, P.Product_Name, Count(*) cnt FROM Product P, Customer C, OrderTable O, LineItem L WHERE C.CID = O.CID AND O.OID = L.OID AND L.PID = P.PID GROUP BY C.State, P.Product_Name;
Result :
STATE PRODUCT_NAME COUNT(*)
---------- -------------------- ----------
New Jersey Computer 3
Texas Computer 1
New Jersey Speaker 2
I would need the result to only say New Jersey Computer and Texas Computer because I only want a list of the states with the product name that is sold the most in each state.All I need to do is have the query only select the product name with the max count for each state...
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Nov 2, 2012
I am getting the following error only for the ""first execution"", even the package is in "valid" state. If the execute the same package again "second execution", it runs ok.
usually we complie all the "invalid objects" in the schema when we move the code to TEST or PRE-PROD env.
but i am getting the following error, even if the package is in "valid state".
ERROR at line 1:
ORA-04068: existing state of packages has been discarded
ORA-04061: existing state of package "TEST_OWNER.TEST_PKG" has
been invalidated
ORA-04065: not executed, altered or dropped package
"TEST_OWNER.TEST_PKG"
ORA-06508: PL/SQL: could not find program unit being called:
"TEST_OWNER.TEST_PKG"
ORA-06512: at line 2I have gone through the following thread, blu explained the cause of this error,
but do we get this error even when the package is in "valid" state too?
Re: When should be package invalidated?
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Feb 4, 2011
We are experiencing an issue with ORA-04068: existing state of packages has been discarded. We're running Oracle 10.2.0.4 on Solaris 10.
I'll provide the timeline of what occurred:
1.) Last night during a maintenance window I recompiled a package and package body. I ran "create or replace" statements from a script via sqlplus to recompile both package and package body. Because I am required to do all DDL under my own login (and not the schema owner login) the scripts require that the schema name be included in the "create or replace" statements. Otherwise an object will be incorrectly created in my schema. This is what happened with the package body. I discovered this when the package body would not compile.
2.) I ran a "drop package body" statement to drop the package body from MY schema.
3.) I added the proper schema name to the script and recompiled both the spec and body under the proper schema.
4.) I ran a script to check for any invalid objects under the application user schema. There were none.
5.) During the night a batch process ran which executed the package. There were several failures with the error ORA-04068: existing state of packages has been discarded.
6.) During the early AM today the error stopped. Not knowing this at the time and believing that the issue was still occurring I began searching the internet for information regarding this issue. One site I found said this could be due to DDL being done on the object (which was the case for us) and there could be an entry in the shared pool marked as invalid which our application's session may be accessing. It recommended running "alter package recompile" for the spec and body. I did this but it seems to have triggered the event again.
I also ran utlrp.sql.
I found some information suggesting the use of DBMS_SESSION.MODIFY_PACKAGE_STATE and/or RESET_PACKAGE but I'm not seeing mention of the risks/implications.
I can verify that the object is no longer in my schema and that the proper object owner has no invalid objects. I am not sure what to do to resolve the issue or keep it from occurring again.
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May 7, 2012
I started database in mount state;startup mount; alter tablespace users offline;
I tried to make tablespace offline In another case online but showing error database not open same for command alter tablespace begin backup; do think we can make tablespace offline in mount...
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Aug 3, 2011
after merging two partitions into single partition (partition is by list) of a table ,when i analyzed the table it is giving this error : ORA-01502 INDEX TEST.PK_ID or partition of such index is in unusable state.
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Jan 3, 2012
ora 20000 index partition in an unusable state. what can i do
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Feb 15, 2012
The function is supposed to tell whether numbers stored as a string value evaluates to a date.I copied into an SQL windown in PL/SQL Developer and typed "commit;" after and then tried to view the results as I posted below to make sure the function worked.
However, I get an ora-06575 Package or Function GETDATE is in an invalid state.So would like to know first, if the code is correct? And if it is, do I need to do something else to make Developer take the code? Here is the code that gave me the error I used to try to test the function:
select GetDate ('010312', 'dd-mm-yyyy')
from dual
Here is the code I used to create the function:
create or replace function GetDate (vDate varchar2, vMask varchar2)
return varchar2
is
vReturnDate date;
begin
vReturnDate = to_date(vDate, vMask);
return vReturnDate;
exception
when value_error then
return 0;
end GetDate;
commit;
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Feb 6, 2007
I am trying to use dbms_jobs in Oracle 8i database.
This is the syntax I am using:
begin
dbms_job.submit(:jobno, 'SYSTEM.SHRINK_ROLLBACK_SEGS', '07-FEB-2007', NULL);
commit;
end;
i have defined the variable jobno as number!
And i am getting the error :
*
ERROR at line 1:
ORA-04068: existing state of packages has been discarded
ORA-04063: package body "SYS.DBMS_JOB" has errors
ORA-06508: PL/SQL: could not find program unit being called
ORA-06512: at line 2
I then go and look at the Sys.dbms_job package and see its not compiling
I have this error:
(1): PLS-00201: identifier 'ANY_INSTANCE' must be declared
(2): PL/SQL: Item ignored
(3): PLS-00801: internal error [21076]
(4): PL/SQL: Item ignored
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Jan 30, 2013
i have the following problem:
At a test database instance of Oracle 11g (11.2.0.3.0) at CentOS 6 i've imported a tablespace from another instance to test my backup strategy.
First i've done a fullbackup with RMAN:
----------
# rman target /
RMAN> BACKUP DATABASE PLUS ARCHIVELOG DELETE INPUT;
----------
Then i thought to test the database i could delete something and restore and recover the database from the backup. So i deleted a table in the imported tablespace:
----------
# sqlplus / as sysdba
SQL> drop table TESTTABLE;
----------
After that i would start the restore and recover process by restoring and recovering the tablespace in which I deleted the table with RMAN. At first i've set the tablespace offline:
----------
SQL> alter tablespace TESTTABLESPACE offline immediate;
----------
Then I go to RMAN and start the restoring:
----------
RMAN> restore tablespace TESTTABLESPACE;
----------
Now there is a problem when i execute the recover command. The recover command includes the recovering from the redolog files, right? As I dropped the table from the tablespace this operation was written in the redolog files. So when i make a :
----------
RMAN> recover tablespace TESTTABLESPACE;
----------
The dropped tablespace would be dropped also, because the last redolog file told RMAN to drop the table. So i think I have to restore and recover my tablespace from an older timestamp, so RMAN would ignore the dropping of the table in the redolog file. Is that right so?
And when it is right how can i restore a tablespace from an older date so RMAN would ignore the dropping?
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May 14, 2010
I'am having a query regarding population of a list item based on another selected list item that is whenever i select the state from the combo box all the city's under that state should be automatically populated.
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Jul 15, 2013
I've got an interactive report with detail and icon view enabled. How do I get the current display state (user looks at report, detail or icon view) out of the apex dictionary ?Is there any place in APEX_APPLICATION_PAGE_IR_... where I can find it ? I'm on APEX 4.0.2. Upgrade to APEX 4.2.2 is planned this fall.
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