Open physical standby mode read/write to test without return of flame

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• How to open a physical standby database "Manual" in read/write mode

  Hello
  
  I am running Oracle Database 10g Release 10.2.0.3.0 - 64 bit Standard Edition Production on Linux version 2.6.9 - 42.0.8.ELsmp ([email protected]) (version gcc 3.4.6 20060404 (Red Hat 3.4.6 - 3))
  
  I created a physical standby database, but since I am running Standard Edition, I don't use the features in DataGuard. I use the utility rsync to copy on the data pending archivelogs, and I periodically applied to the standby database.
  
  The standby database is started in this way:
  
  startup nomount pfile='/u01/oradata/orcl/initorcl.stdby';
  ALTER database base_de_donnees eve of Mount;
  
  Everything works perfectly, I can "open database in read-only alter" and then I can make selects in the tables to confirm that everything is up-to-date.
  
  The thing is, if I stop the database and then perform the boot simply:
  
  stop immediately;
  start-up;
  
  The database opens with an error message, but it is always in read-only mode...
  
  I read that the default behavior for a database ensure must open read-only, as I am experiencing, but I would like to know what is the right way to open it in read-write mode correctly (I understand that after this, my watch will not standby more and I need to recreate my database pending).
  
  Thank you
  
  Carpet

  Try: -.

  ALTER database activate standby database;

  This should open read-write (you will not be able to recover thereafter)

• Test failover with physical standby

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  Hi all

  My company is considering a DR test in a few months, and since I never did this until I was wondering what would be the best way to go on the DB pending tests. This is a database of 11G (11.2.0.3). I read the following articles:

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  From what I can tell the snapshot method is the easiest. My main question is when the primary method still must send the archive logs to the waiting or can I defer only to archive log shipping?

  Are you in 11g, yes instant is a nice feature to test your intelligence. If you enable the destination, there is no problem. Meanwhile if too many records are generated and then it takes a long time to get a site to DR.

  How we test normally the site of DR is completely disconnect the network connections and put everything in place for the primary will not be able to speak to the waiting and vice versa

  You can also completely disconnect the primary DR and tests after the conversion of the physics on the eve of the snapshot if it is your condition to do so.

  Or is the best method to follow the other article that speaks using the flashback database?

  In traditional flashback, you will need to take care just like the creation of restore point with guarantee, mode standby manually and run again then flashback to the restore point. Snapshot is really simple and easy to use. If am in your position of course I use the standby database snapshot.

• Accidentally open a standby database: can I return to standby mode?

  Hello world

  I accidentally opened a physical database Eve (I shot to the top of the body of Eve with "START" instead of the usual "STARTUP MOUNT" command)

  Do I have a chance to return to mode standby without duplicating fully all the data files in a full reconstruction of Eve? (Bandwidth network between the main site and will mean hours of copying files between sites).

  
  something like:

  1 / stop immediately the mistakenally open mode standby; in fact already done ;-)

  2 / create new control on primary eve files and copy them on standby

  3 / copy the logs to check-in to the main site in standby mode

  4 / re open an instance sleep and hopefully recover the gap between the standby and primary

  We are running Oracle 10 g 2 with dataguard.

  Thanks in advance!

  Jose

  JO * 356268 * os wrote:

  Hello world

  I accidentally opened a physical database Eve (I shot to the top of the body of Eve with "START" instead of the usual "STARTUP MOUNT" command)

  Do I have a chance to return to mode standby without duplicating fully all the data files in a full reconstruction of Eve? (Bandwidth network between the main site and will mean hours of copying files between sites).

  something like:

  1 / stop immediately the mistakenally open mode standby; in fact already done ;-)

  2 / create new control on primary eve files and copy them on standby

  3 / copy the logs to check-in to the main site in standby mode

  4 / re open an instance sleep and hopefully recover the gap between the standby and primary

  We are running Oracle 10 g 2 with dataguard.

  Thanks in advance!

  Jose

  Looks like you think more complex

  If you accidentally open eve of Galzain READ ONLY instead of mount status, then you can safely stop and then again start in State.

  But the following description that you mentioned, I did not understand. Your watch was already split and it works well and that you opened before in OPEN mode? Is that your question? If yes no need to worry about follow below steps and nothing to restore controlfile or something Eve elementary school.

  (1) immediate closure

  (2) startup mount

  (3) start MRP

• a speed of read/write DAQ card mode change will reach 200K

  HEY, man,

  I have a project needs to test two points I name them point A and point B, the first time, I should point A 5V DC input, voltage inductive test point B, sencodly, give point B 5V DC input and inductive point test output voltage, this means and two analog ports must read and write sharing mode , and the test speed must be 100 KB, if I have a 200 KB data acquisition card, can the speed of read/write mode change reach 100 KB for an analog port? or, please give your suggest for my this kind of situation, thank you.

  Hi API,.

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• Opening for logical standby mode

  
  Hello

  I have a logical standby. V $database.open_mode watch READ WRITE

  Q1. I'm wrong assuming the database is writable only for tables that are not the primary level?

  Q2. The tables that are also in the primary, in effect in read-only mode on the logic of the day before? I am able to see the fashion of these tables to prove that they are read-only?

  Thank you

  Jim

  Hello;

  Change of the user at the tables on the logic of the eve has three possible settings:

  ALL THE

  STANDBY

  NONE

  You can check the mode using this query:

  SELECT GUARD_STATUS FROM V$ DATABASE;

  If you try to insert data into a table and the mode is "ALL" and you're not the SYS user, you should get an error

  ORA-16224

  If you want users to change standby not replicated tables, then you must change the default of "ALL".

  You can use DBA_LOGSTDBY_SKIP to find the tables not replicated (those with ignore rules).

  If you create new objects, consider a naming convention that allows you to easily see the status of Scripture.

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• Reader only a physical standby Clock Data Guard?

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  We try to use TimesTen 11.2.2.4.1 as a memory cache read-only for a 11.2.3.0.7 on Linus RedHat 6.3 Oracle schema, all using Oracle Data Guard to replicate the Oracle instance through geographically remote sites. At each site, we would like to have two instances of TT, synchronization with the local instance of Oracle 11 g. It works very well against the master DB, but TT agents will be able to synchronize against physical standby instances?

  The problem, seems, is that the agent of TT uses structures dedicated in the master Oracle (related to the grid of cache), instance that will be replicated to instances of Eve. Is TT agent able to use the read-only, structures to complete replication synchronization, or is this unworkable approach? What would be your advisor as a way to do this?

  Thanks for your help,

  Chris

  No, I'm afraid that will not work and is not supported. We support the use of groups of READONLY and AWT cache in collaboration with Data Guard in the following configuration (documented in the Guide of Cache TimesTen IMDB):

  1 data Guard is configured as synchronous physical standby

  2. all the caches of TT run against Oracle DB

  3. in the event of a failover of Data Guard, TT hiding can be migrated to run against the DB who now has beed promoted active to standby

  It is the only supported configuration.

  Kind regards

  Chris

• Open the PDF in read mode

  as always open documents pdc in read-only mode, you see is not the right pane?

  Hi Jorge,.

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  I created a group in which we

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