Performance - Oracle 11.2 on same host with Virtual OS

Hi there,
a colleague of mine raised some doubts on installing Oracle database 11.2 on the same host server where multiple Virtual Box guest instances are running.
He pointed that threads allocation and consequently performance could be unbalanced.
Database server is not for production but it must supply its services for about 20 enterprise applications, so I do not expect to serve thousands of requests but definitely complex queries.
Considering these points, does it make sense what he's said?
Where can I find more information about Oracle DB 11.2 threads allocation?
thanks in advance
The host server is a DELL with two sockets Intel® Xeon® E5520, 2.26Ghz, 8M Cache, 5.86 GT/s QPI, Turbo, HT, 1066MHz Max Memory
RAM
RAM 24GB Memory for 2 CPUs, DDR3, 1333MHz
(12x2GB Dual Ranked UDIMMs)
OS RedHat 5.3

Alessandro Ilardo wrote:
Hi there,
a colleague of mine raised some doubts on installing Oracle database 11.2 on the same host server where multiple Virtual Box guest instances are running.
He pointed that threads allocation and consequently performance could be unbalanced.
Database server is not for production but it must supply its services for about 20 enterprise applications, so I do not expect to serve thousands of requests but definitely complex queries.
Considering these points, does it make sense what he's said?
Where can I find more information about Oracle DB 11.2 threads allocation?
thanks in advance
The host server is a DELL with two sockets Intel® Xeon® E5520, 2.26Ghz, 8M Cache, 5.86 GT/s QPI, Turbo, HT, 1066MHz Max Memory
RAM
RAM 24GB Memory for 2 CPUs, DDR3, 1333MHz
(12x2GB Dual Ranked UDIMMs)
OS RedHat 5.3If I understand what you are saying, then as far as the OS is concerned, the oracle rdbms is just another application alongside a virtual machine (or several virtual machines) process. I can't see where there should be any inherent conflict between them, except of course all processes running on any computer are competing for finite hardware resources. Typically you'd want the database server to be dedicated to running the database.

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I am cloning a database running in 11.2.0.3 version with ASM to a new database running in the same version with ASM in the same host.
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DBA wrote:
Hello,
I am cloning a database running in 11.2.0.3 version with ASM to a new database running in the same version with ASM in the same host.
The OS version is Redhat Linux 5.5.
The source database is SOURCE and the target to clone database is CLONE.
The source database datafiles are in DG_SOURCE diskgroup and the clone database datafiles are in DB_CLONE diskgroup.
After mounting the database source , I am now backing up the source database using this command:
run {
backup as copy database format '+DG_CLONE/CLONE/DATAFILE/%N_%f.dbf';
}This will copy the datafiles to the DG_CLONE which will be the diskgroup of CLONE instance.
I am thinking after that to :
1- startup nomount the clone database with an init.ora modified of the source database.
2- create the controlfile with CREATE CONTROLFILE command,
3- mount the clone instance.
4- run the following script with RMAN;
catalog start with '+DG_CLONE/CLONE/DATAFILE/';
restore database;
switch datafile all;
recover database;
alter database open resetlogs;I wonder if my steps are correct?
Thanks,
S
I do not think you would be able to restore & recover the backup of your SOURCE database to create the CLONE database on the same host using the method you have stated. You can go with the RMAN duplicate command or since you are on 11g, you can go with the RMAN "duplicate from active database" method.
In your method, you would be restoring the backups of SOURCE on the same server where SOURCE exists and this backup would contain the DB NAME as SOURCE which already exists and is running and you cannot restore it on the same server.
You can refer this http://aprakash.wordpress.com/2011/01/24/duplicate-database-using-from-active-database-clause-11gr2/ for duplicate database using "FROM ACTIVE DATABASE" clause
For normal RMAN duplicate, you can refer this
http://www.shutdownabort.com/quickguides/clone_rman.php
http://docs.oracle.com/cd/B19306_01/backup.102/b14194/rcmsynta028.htm

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user8901406 wrote:
Hi Somerset,
I am going through the similar problems as you are so was able to find some high level answers (although still have problems implementing.)
As for the questions:
1.
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Chapter 30.2.4.1 Configuring the Oracle Internet Directory Authenticator, item 9)
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3.
This graphic explains it I believe:
Same doc as above, at the beginning.
Figure 30-1 OAM Single Sign-On Components and Topology
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Hi,
I want to create dup d'base on the same host with
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I am using oracle 9.0.1 on win 2000 server and I am using stand
alone server so what step I should take to avoid future mishapes?
please answer these question ...
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2.Can I use primary d'base datafiles for the stdby d'base?
3.Is it necessary to have catalog d'base or it can be ---
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With regards : Alok Kumar

The docs might help:
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How to create dup d'base on same host??

Hi,
I want to create dup d'base on the same host with
diff directory structure with rman.I have few question to ask.
I am using oracle 9.0.1 on win 2000 server and I am using stand
alone server so what step I should take to avoid future mishapes?
please answer these question ...
1.Can I use same Oracle host and same dir structure?
2.Can I use primary d'base datafiles for the stdby d'base?
3.Is it necessary to have catalog d'base or it can be ---
created w'out a catalog d'base?
4.Can I use same datafiles of primary d'base?
4.I also connect to taget d'se but,when I tried to connect aux db
I got these errors :
error from auxiliary database: ORA-12519: TNS:no appropriate
service handlet found.
my main pproblem is that, I am not able to create aux instance
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and if you could let me know the step by step solution all of
these considering regarding problems,which I mention above.
With regards : Alok Kumar

The docs might help:
http://download-west.oracle.com/docs/cd/B10501_01/server.920/a96566/rcmdupdb.htm#442448
Kailash.

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Greetings all!
I've been using Macs and OSX for a year. And recently I bought another MBP so I am seriously considering Time Machine backups. I have a Linux home server running Ubuntu 12.04 and Samba and my previous MBP running Mountain Lion connects to it happily without any problem. But my trouble started when I tried to setup afp on the same box.
I followed this post and this post and got the fake time capsule showing in Time Machine without any problem. But soon I found myself unable to connect to the old samba shares. The smb host now displays as a Time Capsule. If I click on that OSX will say 'failed to connect'.
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I am able to connect to both services using command+k but I would rather have them running normally so that my wife will be able to use them without extra tech support. Can anyone tell me if what I said above is true and/or if there is a graceful way around this? If answer is no then I will have to create a virtual machine or nic alias just for time machine and I think it's quite a waste.
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tristonej wrote:
I don't quite understand why people buying non-Apple devices should not expect OSX to work with them
Because Apple has no control over 3rd parties. They can do what they want. If Apple publishes a new authentication mechanism in 2002, the 3rd party doesn't have to implement it. That isn't Apple's fault. If they do get around to supporting it in 2009 and then some 4th party doesn't bother to use the 2009 code in 2011, Apple still can't do anything about that. If anyone else wants to advertise, and support, Time Machine compatibility, they are welcome to do that. They definitely have the advertising part down, the support, not so much.
There is a time when apple only worked with apple but that aparently was not sustainable. And that's why now Apple is embracing smb
Apple's goal is to choose the best solution for its customers. Sometimes that is a proprietary connection or protocol and sometimes it is something industry standard. In all cases, there has to be some cut off for testing and support. That is why Apple eventually stops supporting its own hardware and technologies at a certain point. That is also why Apple will support SMB as deployed by Microsoft but isn't going to waste much time on home-built Linux servers.
(it's said even samba was used shortly on OSX, not quite sure) and allow users to install windows on macs. Even OSX itselt is based on FreeBSD and uses quite a lot of open source components.
Apple uses a lot of open source software. Samba was one of those projects. Unfortunately, the people that made those products didn't want Apple using them so they changed the licensing to prohibit Apple (and pretty much only Apple) from using their source code. That is why some of the open source packages in OS X are stuck in a 2007 version. That is also why Apple abandonned Samba and wrote its own SMB implementation.
OS X is not based on FreeBSD. It has a BSD-flavoured POSIX layer, but it is a distinct operating system at its core.
IMHO there is no magic in throwing money at propiretary hardware/software or praying to Steve Jobs. If something is not working, it must be that there is a bug in the code or the design. And neither OSX nor Macs are built by God, which means they are bugged as other software/hardware.
I'm confused. When did anyone say anything about praying to Steve Jobs or divine technology? You asked about using Linux as a Time Machine server. I suggested you avoid that if you value your data. I also asked why you would want to keep running Linux now that you have a Mac. A Mac can do anything Linux can do with a fraction of the effort.
The answer is simple, Macs can not do what I want.
Which is?
Withe a standard mATX case I can have quite a few 3.5" drive bays while there is only one 2.5" in a Mac mini. And with Ubuntu/Debian, getting/updating the software or the system is quite easy, just one or a few lines of apt commands, not quite possible with OSX.
That's certainly true. OS X updates itself without having to run any apt commands.
If you must compile something from the source to get a Linux running then something must be seriously wrong.
My thoughts exactly. But perhaps you didn't follow me entirely. Apt, yum, etc don't have everything one needs to setup something as fancy as, I don't know, a web server. While I did have to compile a number of things from source, I had to actually edit the source a couple of times as well.
The best thing I love about Linux is openess. You can customize almost everything and change it whatever way you want. With Mac, for example the 2013 Retina MBP I just bought, it's not even possible to change the power button behavior, which is very annoying.
Then why did you buy a Mac? That's no big secret. Some people like not have to configure everything just to get it running. I have other things to do than edit config files.
Back to my original question. I think the problem is not quite with compatibility of Bonjor but rather whether OSX can show this or not. Imagine you have a smb share and afp share on the same host, with the same name, how would OSX display it? And which icon will OSX use to display the host? I can not think of the answer so if you know please tell me.
OS X will just display it like it display any server. One of your links event has instructions on how to pick the icon you want to fake. If you are running both services then I am not sure which one it would try to connect with. Neither of your services are native, not matter how much they try to fake it. If you wanted a specific service you would have to manually use the correct protocol in Finder > Go > Connect to Server. However, bot of those links were posted before Mavericks. Obviously they don't work anymore. It's Linux. It's open. Right? So fix it and post it on your own blog. I do not know what modifications you would have to make to either Samba or Netatalk to make them work with Mavericks.
If all you need is to allow your wife to connect to one specific protocol, then manually connect to that service, saving your password in the keychain, and create an alias by Command-option dragging the server to some other folder. Then, she can just double-click on the alias to connect to the network.
Now, if you really want to be clever, you can setup an automount to that service instead. Then the server will be mounted and unmounted as needed.

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Hi.
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Well I looked at Inventory.xml file, after 32-bit version was installed entry for 64-bit install was gone.
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Can Oracle 11g RAC and 10g RAC co-exists on same host

Can somebody tell me if it is possible to have Oracle 11g and 10g RAC installed and configured on same host.
Thanks,
-Zubair

user10948684 wrote:
Can somebody tell me if it is possible to have Oracle 11g and 10g RAC installed and configured on same host.
Thanks,
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(METHOD_DATA =
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Hi,
You can check this :Setting ENCRYPTION_WALLET_LOCATION For Wallets Of Multiple Instances Sharing The Same Oracle Home (Doc ID 1504783.1)
i haven't done this for multiple database, but as per Doc you can use the syntex like
ENCRYPTION_WALLET_LOCATION =
(SOURCE = (METHOD = FILE)
(METHOD_DATA =
(DIRECTORY = /local/oracle/admin/wallet/$ORACLE_UNQNAME)
Whenever you set the Environmnet with
export $ORACLE_UNQNAME=DB#1
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HTH

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Hi All,
I am using oracle 9.2.0.1.0 on windows XP machine.
*I want to create the standby database for my primary database on same machine.
But both tha data base is heaving diff instance as well as the diff database name say "ASHU" for primary & "TEST" for standby database.
I took the backup of all datafile and copied it in the standby location.
Generate the standby control file also and copied to the standby location.
But when i am going to start the standby database it is giving the below error:
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ORACLE instance started.
Total System Global Area 135338868 bytes
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ERROR at line 1:
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(* This is only for learning pupose , that's why i am going to create both on same host"

>
SQL> alter database mount standby database;
alter database mount standby database
ERROR at line 1:
ORA-01103: database name 'ASHU' in controlfile is not 'TEST'
How to rectify it? Please help me
>
You do not change the dbname of the physical standby database. They always must have the same name as the primary.
Here is a snippet from my standby initialization file for a 9i installation. Notice the parameter LOCK_NAME_SPACE that was replaced in 10g with DB_UNIQUE_NAME
db_file_name_convert=('E:\PRIMA','E:\PHYST')
db_name='PRIMA'
instance_name='PHYST'
service_names='PHYST'
lock_name_space='PHYST'
log_archive_dest_1='LOCATION=E:\PHYST\ARCHIVE'
log_archive_start=TRUE
log_archive_format='%t_%s.arc'
log_file_name_convert=('E:\PRIMA','E:\PHYST')Kind regards
Uwe
http://uhesse.wordpress.com
Edited by: Uwe Hesse on 27.07.2009 13:36

I can't install Windows 7 key over KMS host with WS 2012 R2

Hi
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C:\slmgr.vbs /ipk <Windows 7 key>
Error: 0xC004F050 The Software Licensing Service reported that the product key is invalid
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Gary

Hi
I have a KMS Host with Windows Server 2012 R2. I don't have problems installing keys for Windows 8, Windows 8.1, Office 2013, Windows Server 2012 R2. However, when I tried install keys for Windows 7, Windows 2008 R2 and Windows 2008, I have the next message:
C:\slmgr.vbs /ipk <Windows 7 key>
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Office KMS features are different, and do need to be installed for Office KMSclient activations.
The error you are experiencing is expected, and is a result of your attempt to perform an unnecessary configuration step.
Don
(Please take a moment to "Vote as Helpful" and/or "Mark as Answer", where applicable.
This helps the community, keeps the forums tidy, and recognises useful contributions. Thanks!)

Performance - Oracle 11.2 on same host with Virtual OS

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