Apply CPUOCT2008 with both a physical and logical standby in place

Hello All,
I'm trying to compile a decent set of steps for applying the CPUOCT2008 patch to our production RAC cluster which has both a logical and physical standby in place. I've read a tonne of documentation, including the CPU readme, DOCID 437276.1 and 278641.1. I''ve also read through the Upgrading Databases in a Data Guard Configuration chapter of Dataguard Concepts and Administration. The last doc mentioned is really for upgrading a full version of Oracle rather than applying a CPU (at least I think that's the case). DocID 437276.1 is rather sparse on details.
I guess what I'm trying to understand is the proper method for applying the patch with the logical standby in place. The physical standby looks pretty straightforward. After running opatch on it as well, it will basically have all of the changes applied to the primary shipped over and applied as per the normal primary/standby relationship. Will the same be true for the logical (having applied the patch, and then re-enabling SQL apply)? Should I aim to have it work that way? By that I mean start it up and re-enable sql apply and then upgrade the primary. Or, am I to apply the catcpu.sql script to it as well before re-enabling the sql apply? Am I wrong in regards to the physical standby as well i.e. should the catcpu also be applied directly to it?
Thanks very much in advance.
Cheers,
Chris

Given the fact that your system is far from main-stream I'd recommend opening an SR with Oracle Support Services (metalink) and asking them.
If you would like to publish a White Paper on your experience after you have successfully completed the project let me know off-line.

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Difference between physical and logical standby database

What is the difference between physical and logical standby database?

Hi,
Physical Standy where its a read only DB.
Logs are applied.
Logical Standy where it can be Read / Write DB and the logs are applied in terms of SQL Statements.
Thanks & Regards,
Pavan Kumar N

CPU patch procedure with physical and logical standby database in place

Hello All,
I've also placed this in the Upgrades forum, but perhaps this is the best place to have put it.
I'm trying to compile a decent set of steps for applying the CPUOCT2008 patch to our production RAC cluster which has both a logical and physical standby in place. I've read a tonne of documentation, including the CPU readme, DOCID 437276.1 and 278641.1. I''ve also read through the Upgrading Databases in a Data Guard Configuration chapter of Dataguard Concepts and Administration. The last doc mentioned is really for upgrading a full version of Oracle rather than applying a CPU (at least I think that's the case). DocID 437276.1 is rather sparse on details.
I guess what I'm trying to understand is the proper method for applying the patch with the logical standby in place. The physical standby looks pretty straightforward. After running opatch on it as well, it will basically have all of the changes applied to the primary shipped over and applied as per the normal primary/standby relationship. Will the same be true for the logical (having applied the patch, and then re-enabling SQL apply)? Should I aim to have it work that way? By that I mean start it up and re-enable sql apply and then upgrade the primary. Or, am I to apply the catcpu.sql script to it as well before re-enabling the sql apply? Am I wrong in regards to the physical standby as well i.e. should the catcpu also be applied directly to it?
Thanks very much in advance.
Cheers,
Chris
Edited by: chris.baron on Dec 12, 2008 11:38 AM

Given the fact that your system is far from main-stream I'd recommend opening an SR with Oracle Support Services (metalink) and asking them.
If you would like to publish a White Paper on your experience after you have successfully completed the project let me know off-line.

Time difference between physical and logical standby

Hi,
I have just been tasked on getting some info and setting up dataguard for some users for read-only/reporting purpose.
The 3 questions I am being asked are:
1. What is the time difference in applying changes from primary to physical standby compare to logical standby
2. What is the overhead maintenance of having a standby database?
3.What latency is involved?
I will be glad to have your input on this.
Thanks

Hi,
Physical Standy where its a read only DB.
Logs are applied.
Logical Standy where it can be Read / Write DB and the logs are applied in terms of SQL Statements.
Thanks & Regards,
Pavan Kumar N

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I just wanted to know can i have one Physical and One Logical Standby for a Single Primary Database. Is there any precautions and steps to be followed .
Thanks

user9366471 wrote:
Hi
I just wanted to know can i have one Physical and One Logical Standby for a Single Primary DatabaseYes this is possible.
See following Oracle 10.2 example which talks also about cascaded standbys:
http://download.oracle.com/docs/cd/B19306_01/server.102/b14239/cascade_appx.htm#i637055

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I don't see a reply so I'll take a shot. Just like you have 0-9 for numbers and you can arrange them anyway you want, you still only have 0-9. You have the physical (system block and datafiles) which are somewhat static. Then you have the the logical (tablespace, segements, extents)which are volatile and connected by chaining (links) which may be all over the place in the physical but appears to be one whole unit in the logical. Just like an image on a TV screen wearing a red hat, you see a red hat (logical) but it is actual pixels which are chained or linked (data pointers) to each other by the color red. I hope that helps until someone comes by with a better answer.

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Why we mention standby_archive_dest and log_archive_Dest in standby init.ora.
bcz there is no activity at physical standby.so why we set two parameters?
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Hi,
A logical standby database contains the same logical information as the production database, although the physical organization and structure of the data can be different. The SQL apply technology keeps the logical standby database synchronized with the primary database by transforming redo data received from the primary database into SQL statements and then executing the SQL statements on the standby database. This makes it possible for the logical standby database to be open read-write and accessed for queries and reporting purposes at the same time the SQL is being applied to it.
Logical vs Physical Standby database
http://www.orafaq.com/node/957
Regards,
Tom
Edited by: Soli on 19.8.2009 13:48

Separation of the physical and logical structures

Hi,
I am very new to Oracle database administration. While reading Sam Alapati's book "Expert Oracle9i Database Administration," I came across the concept of the separation of an Oracle database’s physical storage structures from its logical storage structures. In particular, Sam states the following in his book:
“This logical defining of Oracle's database structure has another fundamental motive behind it. By organizing space into logical structures and assigning these logical entities to users of the database, Oracle databases achieve the logical separation of users (owners of the database objects, such as tables) of the database from the physical manifestations of the database in terms of data files and so forth.”
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and each table were to be assigned to a particular user. Don't know what you mean. In Oracle, every table has one and only one owner.
I am not sure of the value added by storing the data from more than one table in more than one fileIf an application has a thousand tables, would you rather manage 1000 files or 1?
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Hai friends, i want to view physical and logical disk counters in sql server like Avg. Disk sec/Read, Avg.
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Hello,
Sys.dm_os_performance counter will only show counters related to SQL server not Physical disk if you run below query in SQL server it will not return any value so no disk counter is present.You will have to see it using perfmon.
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HI,
What are advantage and disadvantage for Physical Standy and Logical Standby configuration?
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Ken

Logical standby database
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Can I use my iPod with BOTH a Mac and PC???

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Below is the details from the log file.Here I observed that response time for physical and logical query is 109 sec ~ 2 mins.Please provide me the helpful pointers.
+++Administrator:370000:370015:----2013/01/22 07:28:04
-------------------- Execution Node: <<2650466>>, Close Row Count = 3332, Row Width = 26000 bytes
+++Administrator:370000:370015:----2013/01/22 07:28:04
-------------------- Execution Node: <<2650466>> DbGateway Exchange, Close Row Count = 3332, Row Width = 26000 bytes
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-------------------- Physical Query Summary Stats: Number of physical queries 1, Cumulative time 109, DB-connect time 0 (seconds)
+++Administrator:370000:370015:----2013/01/22 07:28:05
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+++Administrator:370000:370015:----2013/01/22 07:28:05
-------------------- Logical Query Summary Stats: Elapsed time 109, Response time 109, Compilation time 0 (seconds)

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interface Ethernet0/0
nameif outside
security-level 0
ip address x.x.x.x 255.255.255.224
ASA-1#
ASA-1# sh int eth0/0
Interface Ethernet0/0 "outside", is up, line protocol is up
Hardware is i82546GB rev03, BW 1000 Mbps, DLY 10 usec
Auto-Duplex(Full-duplex), Auto-Speed(1000 Mbps)
Input flow control is unsupported, output flow control is unsupported
MAC address 0013.c480.6b50, MTU 1500
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0 pause output, 0 resume output
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input queue (blocks free curr/low): hardware (255/230)
output queue (blocks free curr/low): hardware (255/125)
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8548619 packets output, 820243613 bytes
39502 packets dropped
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      1 minute output rate 2 pkts/sec, 425 bytes/sec
      1 minute drop rate, 0 pkts/sec
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Apply CPUOCT2008 with both a physical and logical standby in place

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