Migration ( Splitting Single Node to 2 Node Cross Platform)

Hi,
I have 11.5.10 Single Node Installation( Database and Middle Tier) on Red Hat AS 4.0....Both Database and Application Tier on same machine.......
My Client is insisting me to move Application Tier to another machine having Windows 2003 32bit/64bit...
How can I do it...
Can I follow this document........304489.1 - Using Oracle Applications with a Split Configuration Database Tier on Oracle 9i Release 2....
But above document says...splitting Database Tier to other machine...

This is just wrong in so many ways...
1) You will never be able to hot patch on the Windows tier.
2) You will need to reboot the server frequently to clear memory leaks etc
3) You will have to reboot after almost every security update for the OS
4) As stated earlier, you are moving from the primary development platform to like a tier 3 platform
5) Memory utilization on 32-bit Linux is light years ahead of memory utilization on 32-bit Windows
Most of us could probably rattle off a dozen more reasons why this is not a good idea...
You will support more users with a higher quality of service by standing up an application tier node on Linux than you will on Windows. You could also just add a 64-bit linux node and migrate the database to 64-bit there using the split configuration docs and leave you admin/web/forms/CP tier on Red Hat 32 bit.

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Migration from Single Node to RAC Node

Hi,
We are planning to migrate the Database from Single-Node to RAC Node. Are there any checklist list to be considered regarding Performance, System and Database ( or any other topic), before migrating to RAC.
Thanks

If it is already the same version, you will need to focus any "single-threadedness" of the application like sequences that are mandatory sequential, "semaphore-style" locking etc...
My experience is that going RAC and in particular to ASM can give a performance boost. If it is the same version (11gR2 for example) then any statistics-related performance issues will still be there.

Migrating from single-node to multi-node (2 Node)

Hi,
We have decided to migrate our existing 11.5.9 application from single-node to 2 Node(multi-node). Please let me know what services should reside on each node (Recommended by Oracle).
Forms, Reports, Apache on one node and CM, Admin, DB on another ?
(or)
DB on one node and all other on another node ?
And please let me know the steps I should follow to achieve the task as well.
Thank & Regards,
Abdullah

Hi;
I suggest please review our previous posts and check notes:
shared appltop/distributed appltop
Re: two nodes
In R12 shared appltop/distributed appltop
shared appltop -Which node
Re: shared appltop
Shared appltop in R12
Shared appltop in R12
shared APPL TOP or shared application
shared APPL TOP or shared application
Regard
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Migrate a Single node clustered SQL SharePoint 2010 farm to an un-clustered single node SQL VM (VMware)

Silly as it sounds, we have a SQL2008r2 Clustered SharePoint farm with only one node. We did intend to have 2 nodes but due to costs and other projects taking priority it was left as is.
We have decided to virtualise the Database server (to be SQL2008r2 un-clustered) to take advantage of VMware H/A etc.
Our current setup is
    shareclus
= cluster (1 node – sharedb (SharePoint database server))
    shareapp1
= application server (LB)
    shareapp2
= application server (LB)
    shareweb1 = WFE (LB)
    shareweb2 = WFE (LB)
and would like to go to
    sharedb01vm = SharePoint Database server
    shareapp1
= application server (LB)
   shareapp2
= application server (LB)
    shareweb1 = WFE (LB)
    shareweb2 = WFE (LB)
So at the moment the database is referenced in Central Addministration as shareclus. If I break the cluster, shareclus will not exist so I don’t think I will be able to use aliases(?) but I’m not sure.
Can anyone help? Has anyone done this before? Any tips/advice to migrate or otherwise get the SQL DB virtualised would be greatly received.

I havent done this specifically with sharepoint, but I dont think it will be any different.
Basically you build the new VM with the name sharedb01vm. Now when you are doing the cut-over, ie when you are basically moving all the databases, you rename the servers.. ie the new VM will be renamed as Shareclus and the old cluster can be named anything
you like .
At this point the sharepoint server should point to the new VM where you have already migrated the db's.
Another option is to create a Alias in the sharepoint server "shareclus" to point to sharedb01vm.
I have seen both of this in different environments but I bascially dont prefer the Alias option as it creates confusion to people who dont know this.
Regards, Ashwin Menon My Blog - http:\\sqllearnings.com

Migrate a Single node clustered SharePoint 2010 farm to an un-clustered single node SQL VM (VMware)

Silly as it sounds, yes, we have a SQL2008r2 Clustered SharePoint farm with only one node. We did intend to have 2 nodes but due to costs and other projects taking priority it was left as is.
So our current setup is an SQL cluster (1 node), 2 App servers (VM’s) and 2 Web servers (VM’s)
We have decided to virtualise the Database server (to be SQL2008r2 un-clustered) to take advantage of VMware H/A etc.
I’ve had a look around and seen the option to use SQL aliases but I’m not sure that’s the best option. I was thinking of rebuilding the DB server but was wondering if there is any other options
Has anyone done this before? Any tips/advice to migrate or otherwise get the SQL DB virtualised would be greatly received.

Hi, yes that's correct, but my query really is about the SharePoint side with regard to SharePoint and maybe using SQL aliases.
My current setup is
shareclus
   = cluster (1 node – sharedb (SharePoint database server))
shareapp1
= application server (LB)
shareapp2
= application server (LB)
shareweb1 = WFE (LB)
shareweb2 = WFE (LB)
and would like to go to
sharedb01vm = SharePoint Database server
shareapp1
= application server (LB)
shareapp2
= application server (LB)
shareweb1 = WFE (LB)
shareweb2 = WFE (LB)
So at the moment the database is referenced in CA as shareclus. If I break the cluster, shareclus will not exist so I don’t think I will be able to use aliases(?) but I’m not sure.
Can anyone help?

Migrate Single Node 10g STreams to Multi Node RAC

We are currently running 10g STreams. One capture process enqueing LCR into one queue. Propagation job dequeues messages and propagates them to a Destination queue. Then our Apply process at Destination database dequeues and apply changes.
We have developed a single shell script STREAMSsetup.sh that does all the magic on setting up streams (capture, apply, propagator and the table queues.)
Now, we are in the process of designing our new Horizontal architecture with Oracle RAC. We envision it is going to be a Data Guard Migration from Single node to the RAC environment.
My question is, can we just let Data Guard takes care of that, expecting all Streams pieces will be in place within the RAC environment? OR do you recomment we remove all streams configuration and re-run our magic script STREAMSsetup.sh to set everything up again once migrated to the RAC environment. ???
I now Streams follows an Instance Owner rule when it comes to where Capture or Apply will be started or stoped.
I would appreciate if someone have had any experience with this type of migration provide any feedback.
Thanks,
Arqui

Yes, we are opening an SR. Everything is pointing into the direction of recreating Streams configuration from RAC/ASM environment once migrated, using the instance with the lowest Instance number in the Cluster. That instance will be registered as the Primary instance owner of the Buffer queue. If primary instance fails queue ownership is transferred automatically to the next instance in the cluster and capture is started automatically in the other node.
Thanks,
ARqui

Migrate Single Node 11.5.10.2 --- to --- Clustered Multi Node

Dear All
I have a project to migrate a single node 11i EBS to Clustered Multi-node
& I opened Thread under (Forum Home » E-Business Suite » Technology - LCM: 11i Install/Upgrade)
the URL is
Migrate Single Node 11.5.10.2 --->> to --->>> Clustered Multi Node
Please if you can help me updating that thread with your answers.
Best regards
Naji ghanim
Apps DBA
TAGITI

Dear All
I have a project to migrate a single node 11i EBS to Clustered Multi-node
& I opened Thread under (Forum Home » E-Business Suite » Technology - LCM: 11i Install/Upgrade)
the URL is
Migrate Single Node 11.5.10.2 --->> to --->>> Clustered Multi Node
Please if you can help me updating that thread with your answers.
Best regards
Naji ghanim
Apps DBA
TAGITI

How to migrate DB from single node 10gR2 to RAC 11gR2 on diff platform?

How to migrate DB from single node 10gR2 to RAC 11gR2 on different platform with possible minimum downtime? We have a situation of upgrade/migrate oracle 10gR2 single instance DB to 2-node RAC 11gR. The source OS is Solaris 10 on SPARC and the target OS is Linux (the target servers could be changed to Solaris 11 x86 if needed). What is the best solution on that?
Thanks,

Technically, can do the following for upgrading and migration?
1. Create 11gR2 oracle home on the same server and upgrade the database from 10gR2 to 11gR2 by running conversion (2 hour down time?)
2. Set up Heterogeneous Primary and Physical Standbys by RMAN. The standby is the RAC with ASM. No need down time. (from Solaris Space to Linux - this may be a problem)
3. At the cutoff time, activate the standby DB from the RAC ASM.
If feasible, do we have some detail guild line for each step?

Single node file system to 3 node rac and asm migration

hi,
we have several utl_file and external table applications running on 10.2 single node veritas file system. and we want to migrate to 3 node RAC ASM environment. what is the best practices in order to succeed this migration during this migration. thanks.

1. Patch to 10.2.0.3 or 10.2.0.4 if not already there.
2. Dump Veritas from any future consideration.
3. Build and validate the new RAC environment and then plug in your data using transportable tablespaces.
Do not expect the first part of step 3 to work perfectly the first time if you do not have experience building RAC clusters.
This means have appropriate hardware in place for perfecting your skills.
Be sure, too, that you are not trying to do this with blade or 1U servers. You need a minimum of 2U servers to be able
to plug in sufficient hardware to have redundant paths to storage and for cache fusion and public access (a minimum of 6 ports).
And don't let any network admin try to convince you that they can virtualize the network paths: They can not do so successfully
for RAC.

Clone multi-node RAC and ASM to single node

Hi everyone.
I need clone system with 3 application server and 2 oracle database RAC and ASM to single-node. The operating system is RHEL 5.
I see some metalink notes, but we can't found nothing. I find notes with multi-node to single-node, but nothing with RAC to non-RAC.
The eBS version is 11.5.10.2 and database version is 10.2.0.3
Is possible this clone?
Thanks very much.

Hi User;
Please follow below and see its helpful:
EBS R12 with RAC and non-RAC
Re: RAC to single instance ebs R12
Re: Clone Oracle Apps 11.5.10.2 RacDB to Non-RAC DB
Re: CLONING R12 RAC to NON RAC CLONING giving error RMAN-05517 temporary file
[b]Migrating the DB-Tier (DB and CM) to Two node non RAC cluster[/b]
Also check:
http://www.oracle.com/technology/pub/articles/chan_sing2rac_install.html
Regard
Helios

Can there be multiple ASM instances on single node?

Hi,
Can there be multiple ASM instances on single node?
This one says No : http://www.freelists.org/archives/oracle-l/02-2008/msg00317.html
And This one says Yes : http://www.databasejournal.com/features/oracle/article.php/3571371
Thanks in advance.
Thanks,
Harsha
Edited by: user498756 on Sep 11, 2008 2:23 AM

...that document doesnt say you cannot have multiple ASM instances on a node. It says "...ASM, +you only need one ASM+ instance for that computer, to manage the two database instances that use ASM."
The fact that you only need one - and I cannot think of a good reason to have more than one - does not preclude the fact that you do seem to be able to have multiple ASM instances on a single node, each looking after its own set of disks and diskgroups.
Again - I cannot think of a good reason to do so though!
-Bob

Convert 11.1.0.7 EBS 12.1.3 single node to RAC with ASM on 11.2.0.3 cluster

Hi
I am trying to convert a single node 11.1.0.7 database with EBS 12.1.3 version from single to 2-node RAC ASM on Oracle clusterware 11.2.0.3 on AIX 6.1 - 64 bit
I am following Oracle metalink document note id 466649.1 . My 11.2.0.3 clusterware is already setup correctly and working fine as per document E24614-03.
However I am currently stuck in section 3.3:Configure TNS listener (Doc id : 466649.1) . The netca is unable to start the listener and failing with error as below.
However when I start the same locally from lsnrctl command listener starts.
trace_OraDb11g_home1-1212159AM174.log
====================================
[AWT-EventQueue-0] [18:34:31:887] [RuntimeExec.runCommand:144] runCommand: process returns 123
[AWT-EventQueue-0] [18:34:31:887] [RuntimeExec.runCommand:161] RunTimeExec: output>
[AWT-EventQueue-0] [18:34:31:887] [RuntimeExec.runCommand:164] Attempting to start `ora.jxn-ux-ebs1d1q.LISTENER_EBSQA_JXN-UX-EBS1D1Q.lsnr
` on member `jxn-ux-ebs1d1q`
[AWT-EventQueue-0] [18:34:31:887] [RuntimeExec.runCommand:164] Start of `ora.jxn-ux-ebs1d1q.LISTENER_EBSQA_JXN-UX-EBS1D1Q.lsnr` on member
`jxn-ux-ebs1d1q` failed.
[AWT-EventQueue-0] [18:34:31:888] [RuntimeExec.runCommand:164] Attempting to stop `ora.jxn-ux-ebs1d1q.LISTENER_EBSQA_JXN-UX-EBS1D1Q.lsnr`
on member `jxn-ux-ebs1d1q`
[AWT-EventQueue-0] [18:34:31:888] [RuntimeExec.runCommand:164] Stop of `ora.jxn-ux-ebs1d1q.LISTENER_EBSQA_JXN-UX-EBS1D1Q.lsnr` on member
`jxn-ux-ebs1d1q` succeeded.
[AWT-EventQueue-0] [18:34:31:888] [RuntimeExec.runCommand:164] CRS-2632: There are no more servers to try to place resource 'ora.jxn-ux-e
bs1d1q.LISTENER_EBSQA_JXN-UX-EBS1D1Q.lsnr' on that would satisfy its placement policy
[AWT-EventQueue-0] [18:34:31:888] [RuntimeExec.runCommand:170] RunTimeExec: error>
[AWT-EventQueue-0] [18:34:31:889] [RuntimeExec.runCommand:173] CRS-0223: Resource 'ora.jxn-ux-ebs1d1q.LISTENER_EBSQA_JXN-UX-EBS1D1Q.lsnr'
has placement error.
[AWT-EventQueue-0] [18:34:31:889] [RuntimeExec.runCommand:173]
[AWT-EventQueue-0] [18:34:31:889] [RuntimeExec.runCommand:192] Returning from RunTimeExec.runCommand
[AWT-EventQueue-0] [18:34:31:890] [HAOperationImpl.runCommand:1221] signed exit value = 123
[AWT-EventQueue-0] [18:34:31:890] [HAOperationImpl.runCommand:1258] set status HA_RES_RELOCATE_ERR
[AWT-EventQueue-0] [18:34:31:891] [HAStartOperation.run:84] Returned from executing the HA Operation
[AWT-EventQueue-0] [18:34:31:891] [HAStartOperation.run:89] OUTPUT> Attempting to start `ora.jxn-ux-ebs1d1q.LISTENER_EBSQA_JXN-UX-EBS1D1Q
.lsnr` on member `jxn-ux-ebs1d1q`
[AWT-EventQueue-0] [18:34:31:891] [HAStartOperation.run:89] OUTPUT> Start of `ora.jxn-ux-ebs1d1q.LISTENER_EBSQA_JXN-UX-EBS1D1Q.lsnr` on m
ember `jxn-ux-ebs1d1q` failed.
[AWT-EventQueue-0] [18:34:31:891] [HAStartOperation.run:89] OUTPUT> Attempting to stop `ora.jxn-ux-ebs1d1q.LISTENER_EBSQA_JXN-UX-EBS1D1Q.
lsnr` on member `jxn-ux-ebs1d1q`
[AWT-EventQueue-0] [18:34:31:892] [HAStartOperation.run:89] OUTPUT> Stop of `ora.jxn-ux-ebs1d1q.LISTENER_EBSQA_JXN-UX-EBS1D1Q.lsnr` on me
mber `jxn-ux-ebs1d1q` succeeded.
[AWT-EventQueue-0] [18:34:31:892] [HAStartOperation.run:89] OUTPUT> CRS-2632: There are no more servers to try to place resource 'ora.jxn
-ux-ebs1d1q.LISTENER_EBSQA_JXN-UX-EBS1D1Q.lsnr' on that would satisfy its placement policy
[AWT-EventQueue-0] [18:34:31:893] [HAStartOperation.run:95] ERROR> CRS-0223: Resource 'ora.jxn-ux-ebs1d1q.LISTENER_EBSQA_JXN-UX-EBS1D1Q.l
snr' has placement error.
[AWT-EventQueue-0] [18:34:31:893] [LocalCommand.execute:56] LocalCommand.execute: Returned from run method
[AWT-EventQueue-0] [18:34:31:893] [HAOperationResult.getOutputAll:114] outLine is [CRS-2632: There are no more servers to try to place re
source 'ora.jxn-ux-ebs1d1q.LISTENER_EBSQA_JXN-UX-EBS1D1Q.lsnr' on that would satisfy its placement policy]
[AWT-EventQueue-0] [18:34:31:894] [HAOperationResult.getOutputAll:115] errLine is [CRS-0223: Resource 'ora.jxn-ux-ebs1d1q.LISTENER_EBSQA_
JXN-UX-EBS1D1Q.lsnr' has placement error.]
[AWT-EventQueue-0] [18:36:39:994] [ca.ConfigureListenerOPS.getNodeNameIndex:-1] getNodeNameIndex: Matching LISTENER_EBSQA_JXN-UX-EBS1D1Q
[AWT-EventQueue-0] [18:36:39:994] [ca.ConfigureListenerOPS.getListenerRootName:-1] ListenerName is LISTENER_EBSQA
The crsctl has details as below:
=====================
NAME TARGET STATE SERVER STATE_DETAILS
Cluster Resources
ora.LISTENER_SCAN1.lsnr
1 ONLINE ONLINE jxn-ux-ebs2d1q
ora.LISTENER_SCAN2.lsnr
1 ONLINE ONLINE jxn-ux-ebs1d1q
ora.LISTENER_SCAN3.lsnr
1 ONLINE ONLINE jxn-ux-ebs1d1q
ora.cvu
1 ONLINE ONLINE jxn-ux-ebs1d1q
ora.jxn-ux-ebs1d1q.LISTENER_EBSQA_JXN-UX-EBS1D1Q.lsnr
1 ONLINE OFFLINE
ora.jxn-ux-ebs1d1q.vip
1 ONLINE ONLINE jxn-ux-ebs1d1q
ora.jxn-ux-ebs2d1q.LISTENER_EBSQA_JXN-UX-EBS2D1Q.lsnr
1 ONLINE OFFLINE
Not sure how to fix this .
Regards
Ram

I am trying to convert a single node 11.1.0.7 database with EBS 12.1.3 version from single to 2-node RAC ASM on Oracle clusterware 11.2.0.3 on AIX 6.1 - 64 bit You don't need to create listeners, after installing 11203 cluster there will be LISTENER running from $GRID_HOME
along with SCAN_LISTENERS

Multiple ASM instances on a single node

Can i have multiple ASM instances on a single node? This is to have each instance supporting different environment dev,stage etc
Thanks
Sannidhi

I had been discussing the same issue with someone from Oracle. I asked for multiple ASMs on a server so that we could have seperate ASMs running for, say, 10g and 11g.
He explained that we should think of ASM as being the same as Veritas FileSystem. We don't run multiple instances of Veritas on our servers. On single Veritas "instance" (set of drivers) provides all the Veritas Fx mountpoints on the server. Similarly, there should be only 1 ASM instance on a server.
(substitute UFS or ZFS or CFS for Veritas in the above example and you still have only 1 filesystem manager on a server providing one type of filesystem, although you could have, say , UFS and Veritas co-exist ; just as you could have Veritas, ASM and Raw co-exist on a server).
Hemant K Chitale
Edited by: Hemant K Chitale on Sep 29, 2009 11:50 AM

Multiple ASM Instances on single node

Hi All,
After going through some threads it seems to me that multiple ASM instances on a node is not supported and recommended by ORACLE but i coudn't find any ORACLE document or support matrix mentioning this. Can any one give me a pointer to this. Please correct me if i am wrong and Multiple ASM instances are fully supported by ORACLE.
Thanks,

Multiple ASM instances on a single node are supported but not recommended due to several issues you could encounter during that kind of configuration.
Possible interraction between those instances for identification of each disk area usage,each disk area permissions , database instance to asm instance mapping and so on, could result in unwanted behaviour, as ASM is in some way just oracle's representation of LVM.
Intention is that any kind of distinction/separation of oracle related data under the ASM should be done through the disk groups.
So it seems it would be better to apply this kind of logic rather than doing suspiciously magical and rare configurations that could bring you similiary strange and unexpected problems.

Migration ( Splitting Single Node to 2 Node Cross Platform)

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