Best practices Oracle 11 G database machine

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• AppAssure best practices for the storage of machine image

  I work in a regulated environment where our machines are validated before being put into service.  Once they are put in service, changes to the machines are controlled and executed by a process of change request.  We use AppAssure to back up critical computers and with the ' always on ' incremental backup, works very well for the restoration of level file/folder in the case where something is removed, moved, etc..

  Management process asks me to perform once a machine is validated, to take a picture of it and store the image further so that if there is a hardware failure, the validated image can be restored and the machine is essentially to it of original validated state.  In addition to having the image of the machine as soon as it is posted, I need to also back up the machine on a regular basis in order to restore files, folders, databases, etc. on this machine.

  So my question is how to achieve this with AppAssure?  My first thoughts are to perform the backup of the machine Base, then archive it, and then let the AppAssure to perform the scheduled backup.  If I need to restore the computer to the Base image, then I back the Archive and then do the restore.  Is this a feasible solution and practice?  If this isn't the case, please tell us the best way I could accomplish what I want to do.

  Thank you

  Hi ENCODuane,

  You can carry out the plan of action of the WES in the following way

  1. to protect the agent with the name "[Hostname\IP_Base]".

  2. take the base image.

  3 remove the protection agent, but let the recovery points

  4. After these steps, you will have recovery basis point for the agent in the section 'recovery only Points.

  5. go to the agent computer, open the registry and change the ID of the Agent (a sign of evolution will be enough).  HKEY_LOCAL_MACHINE\SOFTWARE\AppRecovery\Agent\AgentId\Id

  for example, of

  94887f95-f7ee-42eb-AC06-777d9dd8073f

  TO

  84887f95-f7ee-42eb-AC06-777d9dd8073f

  6. restart the agent service

  7. from this point core Dell-AppAssure will recognize machine as a different agent.

  8 protect the machine with the name "[Hostname\IP]".

  If after these steps, you'll Base image for the 'Recovery only Points' machine (with the name "[Hostname\IP_Base]" which will not be changed by the update rollup and transfers) and protected the machine with the name "[Hostname\IP]" where the transfers will be made based on configured policy.

• Best practices for backup of virtual machine.

  Hello guys,.

  I have a question about the virtual machine snapshot backup option.

  In our environment, we use symantec netbackup and it is managed by an administrator of aid. It has implemented the process in a way where the snapshot of the virtual machine is scheduled and then the snapshot is saved in netbackup daily. Once the snapshot backup process is completed, the snapshot is deleted.

  My concerns:

  1 - remove the snapshot - wouldn't it increase the size of the virtual machine every day?

  2 - is enough to restore the virtual machine snapshot disaster?

  3. what happens if a virtual machine has a lot of snapshots?

  Please help.

  A snapshot (delta) file contains only data blocks that have been changed and a reference to their original location in the virtual disk Basic. Maybe http://kb.vmware.com/kb/1015180 helps to clarify this.

  André

• Linux and oracle database installation best practices windows

  can anyone recommend the guide of best practices for the installation/design of windows/Linux oracle database servers.

  Microsoft, sql Server, provide a number of useful resources on the evolution of the default parameters that can die of hunger the operating system of resources, where to and where not to store the data in files/logs etc etc, but I've yet to find a similar guide for Oracle. Research on best practices during the installation/initial design in order to avoid the risk of recovery/redundancy later on any line, reliability, availability, performance. Guidance most welcome.

  See following note metalink on system requirements for the different versions:

  (Doc ID 169706.1) - database Oracle (RDBMS) Unix AIX, HP - UX, Linux, Mac OS X, Solaris, Tru64 Unix OS Installation and Configuration requirements checklist (8.0.5 to 11.2)

  Online Oracle Database Documentation 11g Release 2 (11.2)

  -Som

• vCenter Best Practices Database

  I'm looking for the VMware documentation that tells me that if it is advisable to keep the vCenter and vCenter database on a different machine in the production environment.

  My about 500 VMs infrastructure and I currently have the DB and vCenter on the same machine.

  I keep DB on a separate machine is better than having the single point of failure and I think that's what vmware recommends.

  However I'm looking for the Vmware documentation that points.

  I went through the best practices database link in the doc that you shared.

  strange, that VMware has not mentioned clearly anywhere if it's good to keep the DB and vCenter application on separate computers.

  Documentation need concrete who can back up.

  Thanks for your update :)

• Best practices for retrieving a single value from the Oracle Table

  I'm using Oracle Database 11 g Release 11.2.0.3.0.

  I would like to know the best practice to do something like that in a PL/SQL block:

  DECLARE
    v_student_id    student.student_id%TYPE;
BEGIN
    SELECT  student_id
    INTO    v_student_id
    FROM    student
    WHERE   last_name = 'Smith'
    AND     ROWNUM = 1;
END;

  Of course, the problem here is that when there is no success, the NO_DATA_FOUND exception is thrown, which interrupts the execution.  So, what happens if I want to continue despite the exception?

  Yes, I could create a block nested with EXCEPTION section, etc, but it seems awkward for what seems to be a very simple task.

  I've also seen this handled like this:

  DECLARE
    v_student_id    student.student_id%TYPE;
    CURSOR c_student_id IS
        SELECT  student_id
        FROM    student
        WHERE   last_name = 'Smith'
        AND     ROWNUM = 1;
BEGIN
    OPEN c_student_id;
    FETCH c_student_id INTO v_student_id;
    IF c_student_id%NOTFOUND THEN
        DBMS_OUTPUT.PUT_LINE('not found');
    ELSE
        (do stuff)
    END IF;
    CLOSE c_student_id;   
END;

  But it still seems to kill an Ant with a hammer.

  What is the best way?

  Thanks for any help you can give.

  Wayne

  201cbc0d-57b2-483a-89f5-cd8043d0c04b wrote:

  What happens if I want to continue despite the exception?

  It depends on what you want to do.

  You expect only 0 or 1 rank. SELECT INTO waiting for exactly 1 row. In this case, SELECT INTO may not be the best solution.

  What exactly do you do if you return 0 rows?

  If you want to set a variable with a NULL value and continue the treatment, Frank's response looks good, or else use the modular Billy approach.

  If you want to "do things" when you get a line and 'status quo' when you don't get a line, then you can consider a loop FOR:

  declare
    l_empno scott.emp.empno%type := 7789;
    l_ename scott.emp.ename%type;
  begin
    for rec in (
      select ename from scott.emp
      where empno = l_empno
      and rownum = 1
    ) loop
  l_ename := rec.ename;
      dbms_output.put_line('<' || l_ename || '>');
    end loop;
  end;
  /
  

  Note that when no line is found, there is no output at all.

  Post edited by: StewAshton - Oops! I forgot to put the result in l_ename...

• ORACLE_HOME on best practice database backup issue

  Hello
  The next question is about best practices.
  I would like to know if the ORACLE_HOME on the physical database should have the same name
  as the basis of primary data.
  For example, if the primary database name is: / u01/app/oracle/prodcut/1120/PROD
  According to best practices should also be: / u01/app/oracle/product/1120/PROD or it should be:
  / u01/app/oracle/product/1120/STDY?
  Thank you

  Yes.

  Given what you just said I agree that is the way to do it. So when patch arrives, you should be less likely to make a mistake.

  I probably create a 'home' of the decoder sheet and hung it near my desk.

  Best regards

  mseberg

• Best practices on the steps of the Post after 11.2.0.2.4 installation of ORACLE RAC

  I finished 11.2.0.2 RAC installation and it patched to 11.2.0.2.4. The database is also created.
  
  Nodes are Linux redhat and ASM storage.
  
  There the good article or links regarding best practices post not after installation?
  
  Thanks in advance.

  Hello

  I also want to know what kind of analysis scripts, I can use for the installer as cron tasks to monitor or detect any failure or problems?

  To control the Cluster (OS level):
  I suggest you use a tool powerful "CHM" already accompanying the product grid Infrastructure.

  How do you set up? Nothing... Just use.

  Cluster Health Monitor (CHM) FAQ [ID 1328466.1]

  See this example:
  http://levipereira.WordPress.com/2011/07/19/monitoring-the-cluster-in-real-time-with-chm-cluster-health-monitor/

  To monitor the database:
  With the HELP OF ADVISORS of PERFORMANCE TUNING AND FUNCTIONS of MANAGEABILITY: AWR and ASH and ADDM Sql Tuning Advisor. [276103.1 ID]

  The purpose of this article is to illustrate how to use the new features of 10g management to diagnose
  and resolve performance issues in the Oracle database.
  Oracle10g features powerful tools to help the DBA to identify and resolve performance issues
  without the hassle of complex statistical data analysis and comprehensive reports.

  Hope this helps,
  Levi Pereira

  Published by: Levi Pereira on November 3, 2011 23:40

• Best practices for the parameter of ARCH_LAG_TARGET and DBWR CHECKPOINT database

  Hello
  
  Concerning best practices - I need to know - what is recommended or guidelines for these 2 settings of databases.
  
  I found for ARCH_LAG_TARGET, Oracle recommends he set to 1800 seconds (30 minutes)
  
  Maybe someone can guide me with these 2 settings...
  
  See you soon

  Dear unsolaris,

  First of all if you want to follow the full and incremental control points, make the LOG_CHECKPOINT_TO_ALERT TRUE parameter. You will see the checkpoint YVERT and deadlines.

  Full checkpoint is triggered when a log switch occurs and the position of the point of control in the controlfile is written in the data file headers. For just a really little amount of time, the database could be consistent even if it is open and in read/write mode.

  ARCH_LAG_TARGET setting is disabled and the value 0 by default. Here is the definition for this parameter;

  http://download.Oracle.com/docs/CD/B19306_01/server.102/b14237/initparams009.htm

  If you want to set this parameter to the top of the Oracle recommends that it be 1800 as you said. This may subject to change database database and it is better for you to check it out for who suffer.

  Kind regards.

  Ogan

• Recommendations or best practices configuration Oracle HTTP Server Oracle Webcenter 11g Portal

  Hello everyone.

  I'm looking for recommendations or best practices configuration Oracle HTTP Server Oracle Webcenter 11 g Portal

  I appreciate if you could give me some references and/or experiences.

  Thank you very much in advance.

  Best regards.

  Configurations may vary depends on place on your needs, in general you can see Configuration high availability for the Web - 11 g Release 1 (11.1.1) layer components

  Use the configuration WebTier documents to the address above if it is sufficient for your needs.

• Oracle BPM 11g - a book, resource on best practices?

  Hello all, I need start an application with Oracle 11g BPM, for this I need to read best practices to run this kind of implementation, integration ADF 11 g / BPM 11 g, is there a book or resource online to talk about this?, please if you know all the resources, please comment.

  Hi Carlos,

  You've probably seen these but my top 3 books of 11g Oracle BPM would be:

  1 getting Started with Oracle BPM Suite 11 GR 1 material - A Hands on Tutorial - what is very well written and I think is the best for new people to start.  I love that it covers the entire suite in depth.  The instructions are clear and well written, but get a bit dated (it was written for the PS3 and we're currently on PS6).  This also covers the basics of the integration of the ADF you're looking for.

  2 oracle BPM Suite 11 g: Advanced Topics BPMN - Mark Nelson has been one of the authors on this.  Anything by mark, I will read.  This book fills in some areas that are difficult to learn yourself.

  3 oracle Business Process Management Suite 11 g Handbook - a little misread in some places, but has more information and best practices in some areas.

  Hope this helps,

  Dan

• Oracle on NetApp - white paper best practices?

  I thought I saw a nice whitepaper "best practices" that Oracle published to operate the RDBMS on NetApp.
  
  But I can't seem to find now. Does anyone have a link?
  
  (I access Metalink if it is there, but my search didn't find it).
  
  Thank you!

  The doc I have comes actually from NetApp, not Oracle. It is titled: NetApp Best Practice Guidelines for Oracle

  You can find a copy here: http://media.netapp.com/documents/tr-3633.pdf

  See you soon,.
  Brian

• Single user, working on both machines, best practical question

  I use Dreamweaver at home and at work.  I'm working on my sites only.  I have just started working with DW and don't know the best practice to achieve.  The way I do now is through a folder synchronized on both machines that hosts the site.  The establishment is a local folder on the two machines that automatically syncs on the WWW.  I created a site on my machine at home with a folder root for the site and the images and then created another site on my work machine and was pointing at the root sync folders.  Is the best practice for this set to the top.

  I guese that im afraid of is the feature of auto update of links and such to within DW.

  Thank you!

  I have the same configuration and DW Check In / Check Out feature works for me.

  This requires a local copy of the site on home and work machines more copy remotely on the web.

  I have check no matter what files I need to work, modify and then download and archive when I'm done.

  DW manages everything.

• Views - set at the database level or RPD?  Advantages/disadvantages/best practices

  General question about the use of points of view and OBIEE. I have a handful of views that I had to set for one reason or another within our mini - DW. Initially, I set all these level database and imported in my physical layer as I would a table.
  
  I know that OBIEE has the ability of views defined within the Phyiscal layer by specifying the SQL syntax with the VIEW type.
  
  I'm curious to know if anyone has any ideas on the manipulation of views one way or another? :
  
  -Do you prefer to define the points of view within the RPD to keep your logic in one place?
  -Are there performance benefits with the definition of the view in the database itself?
  -Are there any best practices known surrounding views with OBIEE management?
  
  Thanks in advance.
  
  K

  Yes, this select statement is called view opaque. Opaque views can lead to performance problems. If your view is huge pulling data then do not create this view in the RPD.

  Kind regards
  Sandeep

• Best practices for securing the Oracle e-Business

  Is there anything in addition to best practices for securing the Oracle e-Business
  Suite 11i that consideration for the safety of the Oracle E-Business Suite?

  Try:

  http://repo.solutionbeacon.NET/Collab07BestPracticesWP.PDF

  http://www.Integrigy.com/Oracle-security-blog/archive/2007/07/27/11i-updated-security-best-practices