Primary database is RAC and physical intelligence is the single instance

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  In a JVM tcServer, we use the session HTTP GemFire module and also have our own spring application using GemFire.

  Is it valid for the session module to connect to an instance of GemFire via cache.xml and have the Spring application context to connect to an instance of completely separate GemFire (different benchmarks & cache server)?

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• Running the Single Instance and RAC on the same server of different homes.

  Hi guys,.

  I already have 4 node RAC12c installed on OLE 6.

  I'm planing on some of my other 12 single instance databases on other migration for RAC nodes.

  Please correct me here if I am wrong...

  My understanding is that, to be able to use DBCA or rconfig for conversion of database instance RAC, the only instance and RAC cluster must run on the same server or machine node.

  Thanks to this understanding... Am planing on the installation of a binary single instance on one of my cluster node node1 say and then use RMAN to duplicate the single instance or just an RMAN restore from the node of the instance that is unique to this node1. Am capable of this plan must then use DBCA or rconfig to convert the CARS database.

  Now, my question is can I run a single instance and RAC on the same server for different homes with different database ports?

  2. for these unique instance that runs on the server RAC 1 node, can I use the RAC database listener that runs from the House of the grid or I have to create another auditor?

  Thank you in advance and also let me know if I can use DBCA or rconfig when the only instance and rac database are on separate nodes.

  K

  Fix. And that's what I would normally do. In general, I would have just an ORACLE_HOME directory that can be used by the punctual and RAC databases at the same time.

  See you soon,.
  Brian

• I have great meda database on excel and want to display the data comparitable on media player

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  I have great meda database on excel and want to display the data comparitable on media player

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• Several physical Tables in the single context

  I have a scenario and need your input in how to solve this problem.
  Let's say I have the schema from source database 2 S1 and S2 (on various Oracle Instances or a single instance). Both have the EMPLOYEE table. Now, I need to create a logical schema that maps to S1. EMPLOYEE and S2. USED, which is I should have access to the data of these two tables in the schema.
  
  Is this possible. Maybe they both have different sets of records of EMPLOYEES for my warehouse I need a UNION of all the data. If I use the context then at any time I can only connect to 1 of these tables. What I want is that in 1 context both have access.
  
  How can achieve us in ODI?

  >

  If the topology would be something like:

  Assuming that these are 2 scheme on a single database server
  1 / I 1 physical database server

  fix

  2 / 2 physical diagrams (S1 and S2)

  fix

  3 / context? How many?

  1

  Figure 4 / logic? How many?

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• How to set up the single instance of data of high availability and disaster tolerance

  Hi Experts,

  I have unique database and instance need to configure for high availability and disaster tolerance

  What are the DR options available for synchronization of database at a remote site with a delay of 5 to 10 minutes.

  Application connects to the local site and DR site should be the remote site.

  1 oracle FailSafe with SAN?

  2. What is the security integrated on linux centos/oel solution?

  3. If the storage is on the San (for example) then is it possible to set up a shell script

  which detects if the source database is down for 5 minutes, ride the SAN stored the files of database on the remote computer and

  change the ip in the application, so it will never connect to the source ip address

  Thank you and best regards,

  IVW

  Hello

  Rupture can occur in any level

  1 oracle FailSafe with SAN?

  --> Do check if you have failure in storage, your security will do nothing to bring back data

  --> Seen failsafe, will be only the insurance when MS cluster moving the disc and services to different node, configured services starts.

  2. What is the security integrated on linux centos/oel solution?

  --> Under linux, you need to set the scripts to run, and you can check the option on the cluster OS

  3. If the storage is on the San (for example) then it is possible to configure a shell script that detects if data source is down for 5 minutes, mount SAN stored the files of database on the remote computer and

  change the ip in the application, so it will never connect to the source ip address

  --> This you will get a cluster of BONES...

  Points to note:

  ================

  --> If there is power failure sudden, we can expect there may be lost writing in your data block, which will bring the inconsistency to your data file and redo

  --> Here, there is problem with your drive?

  --> If there is problem with your complete domain controller (how will you mount FS to a remote server?)

  Note what we are discussing was HA and you try to keep an idle server all the time (you have a server with more RAM & CPU)

  Why you can't check an option of CARS, can also have the cluster extension...

  And to avoid the loss of data and to meet the RPO and RTO in all time (same DC came down, storage failure, server crash), you may need to use Oracle data guard...

  Ask questions if you have

  Thank you

• Protect the single instance Oracle 11 g 2 with Clusterware linux No 11 GR 2 RAC

  Hi all
  
  I saw this link, but he mentions CARS as a solution:
  
  Use of Oracle Clusterware to protect a single Instance Oracle Database 11g
  
  I have seen various articles on protection one instance with cold recovery using clusterware, but they mention the scripts and the old versions of Clusterware. I'm trying to figure if possible to incorporate the virtual IP / scanning of listeners or if it is still a supported configuration...
  
  
  
  I implemented the 11 GR 2 using OCFS2 clusterware. Basically I just want cold failover from one node to another, and I don't want to buy a CAR license...
  
  Thank you very much
  
  Published by: vcovco on Sep 30, 2010 13:52

  Hi Vcovco,

  You must understand, that a VIP (host) works correctly for Oracle in conjunction with a listener to listen on the virtual IP address.
  Now, if a VIP (host) fails over to another node, the local listener won't. So even if you can ping the VIP no client can make connections. This VIP, since there is no listener listening on this VIP on the foreign host. (But the client will get a denunciation pronto to browse more through his address list).
  However, SCAN VIPs work differently, because they have an earpiece connected to them, which will also fail over to another node. This is why permits be accepted, if current running on the other node (as the listener moves with the SWEEP VIP).

  That is why in the past, you had to create a VIP 'user' and a 'user' listener, that there will be a changeover of the two (not like the Oracle of VIP welcome). A VIP SCAN done exactly that, it is not necessary for a 'user' VIP and the listener (However it still work!).

  a.) every DBA should make backups using RMAN in the meantime...
  (b) there is also a copy of asmcd command

  With regard to the advantages over OCFS2
  -best performance (almost RAW)
  -easier to extend (no need to resize)
  -no hot spots if storage is extended, because storage is automatically rebalanced.
  See here: http://www.oracle.com/technetwork/database/asm/db-tuning-guesswork-173710.pdf
  -consolidation easier
  To name a few.

  Another thing no one mentions:
  With OCFS2, you have a second clusterware running on the server. OCFS2 has its own mechanism of fencing.
  We must therefore consider some things more 'correlate' fencing OCFS2 and fencing OCW. Not that differently, they decide on what node restart.

  So my advice is: keep it simple. Use only the 1 clusterware.

  And last but not least: ASM now has a system of files ACFS

  Sebastian

• Is it possible to have the source and target schema in the same instance of DB?

  Hi all
  
  I'm using Oracle 11 g 1 material.
  I spent another source than with OWB server locations.
  In the course of deploy I get VLD-3064 and I can't deploy mapping due to the many warnings "table or view does not exist.
  
  Is it possible to have the source and target schemas in the same case?
  How to do?
  
  Kind regards
  Martin

  Hi Martin!

  1. the target schema have select rights for source-tables/views.
  (Run as a user with dba rights: grant select on to ;).

  2 «.. . none generated code will use the link dataabase...'.
  This is only a warning and means there is no need to use a database link. If your mapping will be executed faster as using a database link.

  error of VLD 3064

  Greetings
  Guenther Herzog

• How best configuration connect display server and composer to limit the single point of failure?

  Hi all

  
  Just had a few quick questions:

  1.) how everyone is to limit the Connectoin Server view to a single point of failure.  All the reading I did looks that everyone puts in place two servers connectoin and doing DNS round robbin on it or put two servers behind a load balancer connection

  (2.) what happens if the mode to connect to the server disconnects while users are connected and actively using desktop computers?

  3.) how to protect View Composer of single point of failure.  It seems that most people are installing this on there vCenter server and everything by leaving it with VMware HA.

  (4.) what happens if View Composer breaks down and you have Active Desktop sessions used by users who are linked clones

  (5.) what is the login used for replication partner server view?  This is a new feature in display 6 that creats a form any cluster to the login server?

  
  Let me know,

  
  Thank you

  1. Yes. Need a load balancer. Something better than a round robin DNS since those who go ping (response from the host)-based and not necessarily whether the service is in place (port 80/443 replying with 404)

  2. the user disconnects. When the reconnection that they continue where they left off.

  3. just about everything. Also ensure that regular backups are performed by the login server. Don't forget that if you need to restore, to restore a backup SQL composer both AD LDS.

  4 should be fine. The only problem is during commissioning, a linked clone or create a delete. Then could be a problem. Updating should be ok

  5. a replication partner? Do you mean the replica server? It's just an identifier during the installation as to whether, during the installation of the connection to the server, create you a new instance of the view or expand an existing one. He ends by as a peer to other servers to connect in the same instance (POD).

• Problem with VMWare Workstation combo, .vhd virtual drives and physical disks in the sector of size 4K?

  All,

  I suspect something wrong with some of my virtual machines.  I have been using these virtual machines for a while, and I see some weird behaviour recently.

  I see a lot of corruption in the virtual hard disk (.vhd based).  CHKDSK automatically gets performed many large files such as Oracle datafiles get damaged etc...  It all seems quite random and inconsistent, but I am using .vhd virtual machines in VMWare Workstation for years without problem.  This problem is new, and hard drives are basically unstable.

  I * think * (and I'm totally off base) that is perhaps the issue with my new external hard drives.  These discs have a 4 KB sector size, without e512.  Thanks to this architecture of hard drive, don't mount not the tools of Microsoft or manupulate .vhd files on these disks.  The questions seem to go away if I switch to vmdk or switch to the physical hard disk size-one-sector 512kb.  Because errors are not compliant, that I don't really have a way to document/prove that is the case, but it seems to be.

  I use version 9.0.0 on Windows 7 Workstation, and the guest is Windows Server 2008R2.

  My question is:

  (1) what meaning?

  (2) how I prove/document, since it is a contradiction?

  (3) is this a known problem?

  (Btw, switching HDD's vmdk is not an option in our case due to an obscure legal agreement with Microsoft.  I have to distribute my VMs in vhd format, even if they are designed to run on VMWare...)

  -> Adam

  These discs have a 4 KB sector size, without e512.

  (I've highlighted "without e512" in "BOLD" to key in my answer to the host operating system.)

  -L'OS is Windows 7 Enterprise

  According to the political support for the 4 K sector hard drives in Windows, Windows 7 does not support the native 4 K (logical 4 k sector size) but it does not support Advanced Format or 512th (size of logical sector physical and 512 bytes of 4 K) and that is can be the question.

• The Organizer database is damaged and will be reset the next time Acrobat is launched.

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• "Rolling upgrade" method is applicable to the single instance of database?

  Hello
  
  I did a google search, but all the documents I found refer to the deployment of upgrade for JRC and DG Environment. Rolling upgrade can be used to upgrade, say Oracle 10.2.0.4 to 10.2.0.5? Or in general, the method "rolling upgrade" applicable to database specific environments? If Yes, could someone post a URL? I want to learn this in order to minimize downtime for upgrades of database.
  
  Thanks in advance!

  As far as I KNOW, rolling upgrade applies only to CARS or DG scenarios. It does not apply to single autonomous databases.

  Best practices to minimize downtime during upgrade [Document 455744.1]

  HTH
  Srini

• Clearing Online redo logs on the physical standby of the target

  Hello
  
  Version 11202.
  
  Primer on computer a.
  Watch on computer b.
  
  Later note: 11.2 Data Guard physical standby failover best practices using SQL * Plus [1304939.1 ID].
  

   
  Online redo logs on the target physical standby need to be cleared before that standby database can become a primary database. 

  And later:

   
  On the target physical standby run the following query to determine if the online redo logs have not been cleared... 

  (1) I did not understand where I have to run the query. On computer A, computer B or?
  2)

   
           Online redo logs on the target physical standby need to be CLEARED 
          

  Which means that it must be DELETED? Does transaction could be lost by running the command of compensation?
  
  Thank you

  Hello again;

  I would NOT use a script. The reason is that you are not sure what "switchover_status" will be returned by the database of v$.

  Oracle a broker data available for a quick pass, but I'm from the old school and I want to see how thing works in SQL for awhile first.

  Best regards

  mseberg

• move the primary database files to another location

  Hi all
  
  I move the files of my primary database to another location on the same server, but on a different drive (from f: to G :) with rename comand but file name will be the same, after you have moved the files what step I need to perfom on standby DB will have on my database pending?)

  This doc is everything after you rename the primary file, I'm not rename all the files I need to just move file from one place to another without changing the file name.

  I hope you know how to move files from one place to the other on the primary database. It's not just copying the files from one disk to another and then to go to the top of your database.

  You rename your data files or copy it to another location, how the controlfile to know you have copied/renamed to a different location?

  I guess you 1 to ask the question of how to move files to a different location in primary education and then move on standby.

  Steps to follow:
  1 Hope you brought your primary database.
  2 copy the datafiels to one disk to another.
  3. attach the primary database.
  4 rename all data files that you moved to this control file would know the changes.
  SQL > alter rename file 'G:\oracle\user01.dbf' to 'F:\oracle\user01.dbf ';
  5. subsequently open the database.
  Refer this to move data files from one place to another http://www.orafaq.com/wiki/Move_datafile_to_different_location, http://www.adp-gmbh.ch/ora/admin/move_datafiles.html

  on autonomy in standby:
  1 cancel the MRP
  2. change the db_file_name_convert to point to «F:\»... »
  3. Mount the backup database
  4. start the MRP

  Hope that these steps are clear.

• where can I get the software for oracle database 11g RAC installion

  pls can someone tell me where to download the installation software for oracle database 11g RAC with Yes which has the option of installing RAC database on, I the installation of database 11g software, but it does not include the installation of database RAC inside option, I heard someone say that the installer of oracle database 11g in oracle's Web site is not used to install a RAC database is it true? If that's how to make one that installs the RAC DATABASE.

  Download page:
  http://www.Oracle.com/technology/software/products/database/Oracle11g/111060_linuxsoft.html

  -Oracle Database 11 g Release 1 (11.1.0.6.0) for Linux x 86
  linux_11gR1_database_1013.zip (1,844,527,800 bytes) (cksum - 1044354138)

  -Oracle Clusterware 11 g Release 1 (11.1.0.6.0) for Linux x 86
  linux_x86_11gR1_clusterware.zip (244,660,141 bytes) (cksum - 820583335)

  Maybe you need to download is: Clusterware Oracle 11 g

  Document: Oracle® database 2 day + Real Application Clusters guide 11 g Release 1 (11.1)
  http://download.Oracle.com/docs/CD/B28359_01/RAC.111/b28252/TOC.htm