10g RAC on varitas Cluster Software & Shared storage

we are in process of making 10g RAC without using Oracle Clusterware , we will be using Varitas Cluster software and varitas shared storage , I am looking for some quick notes/article on setting up/Installing this RAC configuration.

Step-By-Step Installation of 9i RAC on VERITAS STORAGE FOUNDATION (DBE/AC) and Solaris
Doc ID: Note:254815.1
These are the notes i was looking for, Question is Only the RDBMS version will be changes , all other setup will be same as mentioned in Notes, and DBA work will start from creating DBs, right?

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10g RAC on varitas Cluster Software and Shared storage

1. Install oracle binaries and patches (RAC install)
2. Configure Cluster control interface (shared storage) for Oracle
3. Create instances of oracle
These are 3 things i am wondering how to handle, I did all these on Oracle Clusterware , but never on Veritas Cluster ware ...all these 3 steps are the same or different. In someone can help..

How we can do this while using varitas cluster software
1. Install oracle binaries and patches (RAC install)
2. Configure Cluster control interface (shared storage) for Oracle
3. Create instances of oracle
If we install RDBMS 10.2.0.1 with standard installer it will catch the vcs and when we will be running dbca it will ask for RAC db option?
what is Configure Cluster control interface (shared storage) for Oracle??

Pointing existing RAC nodes to a fresh Shared Storage discarding old one

Hi,
I have a RAC Setup with the Primary Database on Oracle 10gR2.
For this setup, there is a Physical Standby Database Setup (using DataGuard configuration) also with 30min delay.
Assume that the "Shared Storage" of the Primary DB fails completely.
In the above scenario, my plan is to refresh a "fresh" shared storage device using Physical Standby Database Setup and then "point" the RAC nodes to the new "Shared Storage".
Is this possible?
Simply put, how can I refresh the Primary database using the Standby Database?
Please help with the utilities (RMAN, DatGuard, other non-Oracle products etc.) that can be used to do this.
Regards

Does following Shared Device configuration is fine for 10g RAC on Windows 2003?
. 1 SCSI drive
• Two PCI network adapters on each node in the cluster.
• Storage cables to attach the shared storage device to all computers.
regard.

Installing oracle 10g RAC on sun cluster

Hi
we r implementing new setup with fallowing configuration
OS: sun solaris 10 on sunfire v890 servers 2 node rac
4 processor server sun SPARC 64 bit
SUN cluster
oracle :10.2.0.3
please send me related documents for installing CRS and RdBMS and
Message was edited by:
Adithya
Message was edited by:
Adithya

Installation Guide for Solaris Cluster 3.2 Software and Oracle 10g Release 2 Real Application Clusters

Can GG work in a RAC environment which has no shared storage except ASM

Gurus:
I have a 2 nodes RAC which is on ASM for database data and FRA. However, it has no other shared space on the file systems.
Can I still use GoldenGate? How can I do it.
Please advise.
dz

GoldenGate needs to be able to read the online redo logs for each thread, and running on ASM requires a few extra configuration steps. You need an ASM user to be able to connect to the ASM instance (involving listener and tnsnames.ora files). Extract parameter file uses the TRANLOGOPTIONS parameter. This is covered in the installation guide ("Additional requirements for ASM," plus the section on "Additional requirements for Oracle RAC").
In 11gR2, you can use ACFS for the GoldenGate software and its files.
Oracle GoldenGate High Availability using Oracle Clusterware Technical Whitepaper
http://www.oracle.com/technetwork/middleware/goldengate/overview/ha-goldengate-whitepaper-128197.pdf

10g RAC on HACMP (IBM clusterware)

we are in process of making 10g RAC without using Oracle Clusterware. we will be using HACMP Cluster software and IBM shared storage. After looking at few threads as below:
Re: 10g RAC on varitas Cluster Software + Shared storage
Re: Varitas Cluster Software + Oracle Clusterware Installation
came to know that Oracle Clusterware is compulsory for 10g RAC besides HACMP.
Can some one let me know why oracle clusterware is compulsory and point me to some Oracle documents that mentions the same.

ML Note:220970.1 is the RAC FAQ - it would be a bit too much to paste all details here.
However, if you would let us know what details you are looking for, there might be other resources (not in metalink) that we can point you to. A starter could be this one:
Oracle Clusterware Whitepaper (PDF) (http://www.oracle.com/technology/products/database/clusterware/pdf/TWP_Clusterware_11g.pdf)
But the most important fact to note here is:
Is it supported to allow 3rd Party Clusterware to manage Oracle resources (instances, listeners, etc) and turn off Oracle Clusterware management of these?
In 10g we do not support using 3rd Party Clusterware for failover and restart of Oracle resources. Oracle Clusterware resources should not be disabled.
(taken from ML Note 220970.1 ;-))
Thanks.

Question to Oracle about 10g RAC

Hi:
Does Oracle had installed 10gRAC on Redhat3.0AS either using ocfs or raw successful before the software got released?

It is indeed successful. We've installed 10g RAC with ocfs/ASM on different storage devices such as SAN's and SCSI disk arrays .

One very basic question on Shared Storage

For setting up 11GR2 in Sun 5.10 SPARC, our sys admins have allocated block devices in shared storage and they sent us a mail mentioning the disks. This is what their mail looks like
Storage attached to Node1
/dev/rdsk/c4ikdzs3
/dev/rdsk/c4ikdzs4
.Storage attached to Node2
/dev/rdsk/c5ikdzj2
/dev/rdsk/c5ikdzj5
.When i logged in to Node1:/dev/rdsk , i can only see
/dev/rdsk/c4ikdzs3
/dev/rdsk/c4ikdzs4
.as they have mentioned. Same for Node2
But, all the raw devices mentioned above should be visible from either node's /dev/rdsk. Right? Isn't that whole point of RAC; Shared storage ?

resistanceIsFruitful wrote:
But, all the raw devices mentioned above should be visible from either node's /dev/rdsk. Right? Isn't that whole point of RAC; Shared storage ?Not exactly if you are referring to device names..
Each kernel will do a h/w discovery when booting. When dealing with LUNs via a HBA (or similar), there's absolutely no guarantee that the kernels will detect the LUNs in the same sequence and assign the same scsi device names to these. A LUN can be called device-foo-1 on one server and device-foo-21 on another.
Also, many HBAs will be dual port and running dual fibre channels. So not only is the same LUN seen as a different scsi device by each kernel, but it is seen more than once. So device-foo-1 and device-foo-33 can be the same physical LUN on server 1.
To deal with this a logical device name is needed. This will be the same device name on all servers - and it will in turn transparently support the multiple I/O paths to the LUN. This is done by "special driver" software looking at the scsi disk's unique signature - called a WWID or World Wide Name. With that unique signature, the s/w can uniquely recognise a specific LUN, irrespective of which server the s/w runs on.
This s/w is called Multipath on Linux, Powerpath by EMC and so on. I would expect that you will have something similar on your servers.
The actual scsi device mapped by the kernel to the LUN is not used. In the case of multipath for example, one will use the relevant +/dev/mpath/mpath<n>+ devices. In the case of Powerpath, these will be +/dev/emcpower<driveletter>+ devices.
These are the device names that you will use for 11g Grid Infrastructure and Oracle ASM and RAC setup and configuration as shared storage.

Client requirment for 10g RAC

Hi,
We are planning to deploy Oracle 10g RAC on itanium Cluster. What is the Client and its version requirement to take full advantage of 10g RAC load balancing/fail over ?
Shanmu
India.

If you want a realistic setup, then you need 3 physical PC's. VM ware installation is too easy, and you dont run into many of the issues you are likely to run into with physical computers. I recommend 3 old PC's with a KVM switch, with Openfiler as the previous post suggested. Put Linux on the cluster nodes, it is free and you dont need much horsepower to run it.

Do we need to install microsoft cluster software for RAC 10G

Hi all,
Our company wants to install ORACLE 10G RAC on windows 2003 R2. Based on the pre-requisites I asked network guys to provide me the shared disk storage from SAN, but they insist that this storage will not be accessible until we have windows clustering software running on top of the two nodes. I want to use oracle clusterware for clustering.
Please let me know how does it work. Do i need to have windows cluster s/w first then install oracle clusterware on these nodes.
Help is as always appreciated
Regards
Aijaz

Hi Aijaz,
You don't need any clusterware beyond Oracle clustware, but if is a requirement to your company you can use another Clusterware to install RAC, if they are supported, check on metalink. The Clusterware from Oracle provide all you need to deploy a Real Application Cluster production environment.
With additional documentation, take a look on http://download.oracle.com/docs/cd/B19306_01/install.102/b14207/intro.htm#sthref21 for explain more about Oracle Clusteware
Here an excelent guide to install RAC 10g R2 on windows provided by Philip Newlan on http://www.jobcestbon.com/oracle/RacOnWindows.pdf
Regards,
Rodrigo Mufalani
Ps.: Thank you Philip, this paper is the best that I read based RAC on Windows!!!

Problem of using OCFS2 as shared storage to install RAC 10g on VMware

Hi, all
I am installing a RAC 10g cluster with two linux nodes on VMware. I created a shared 5G disk for the two nodes as shared storage partition. By using OCFS2 tools, i formatted this shared storage partition and successfully auto mounted it on both nodes.
Before installing, i use the command "runcluvfy.sh stage -pre crsinst -n node1,node2" to determine the installation prerequisites. Everything is ok except an error "Could not find a suitable set of interfaces for VIPs.". By searching the web, i found this error could be safely ignored.
The OCFS2 works well on both nodes, i formatted the shared partition as ocfs2 file system and configure o2bc to auto start ocfs service. I mounted the shared disk on both nodes at /ocfs directory. By adding an entry into both nodes' /etc/fstab, this partition can be auto mounted at system boots. I could access files in shared partition on both nodes.
My problem is that, when installing clusterware, at the stage "Specify Oracle Cluster Registry", I enter "/ocfs/OCRFILE" for Specify OCR Location and "/ocfs/OCRFILE_Mirror" for Specify OCR Mirror Location. But got an error as following:
----- Error Message ----
The location /ocfs/OCRFILE, entered for the Oracle Cluster Registry(OCR) is not shared across all the nodes in the cluster. Specify a shared raw partition or cluster file system that is visible by the same name on all nodes of the cluster.
------ Error Message ---
I don't know why the OUI can't recognize /ocfs as shared partition. On both nodes, using command "mounted.ocfs2 -f", i can get the result:
Device FS Nodes
/dev/sdb1 ocfs2 node1, node2
What's the possible wrong? Any help is appreciated!
Addition information:
1) uname -r
2.6.9-42.0.0.0.1.EL
2) Permission of shared partition
$ls -ld /ocfs/
drwxrwxr-x 6 oracle dba 4096 Aug 3 18:22 /ocfs/

Hello
I am not sure how far this following solution is relevant to your problem (regardless when it was originally posted - may help someone who is reading this thread), here is what I faced and here is how I fixed it:
I was setting up RAC using VMWare. I prepared rac1 [installed OS, configured disks, users, etc] and the made a copy of it as rac2. So far so good. When, as per the guide I was following for RAC configuration, I started OCFS2 configuration, faced the following error on RAC2 when I tried to mount the /dev/adb1:
===================================================
[Root @ *rac2* ~] # mount - t ocfs2 - o datavolume, nointr / dev / sdb1 / ocfs
ocfs2_hb_ctl: OCFS2 DIRECTORY corrupted WHILE reading uuid ocfs2_hb_ctl: OCFS2 DIRECTORY corrupted WHILE reading uuid
mount.ocfs2: Error WHEN attempting TO run / sbin / ocfs2_hb_ctl: "Operation not permitted" mount.ocfs2: Error WHEN attempting TO run / sbin / ocfs2_hb_ctl: "Operation not permitted"
===================================================
After a lot of "googling around", I finally bumped into a page, the kind person who posted the solution said [in my words below and more detailed ]:
o shutdown both rac1 and rac2
o in VMWare, "edit virtual machine settings" for rac1
o remove the disk [make sure you drop the correct one]
o recreate it and select *"allocate all disk space now"* [with same name and in the same directory where it was before]
o start rac1 and login as *"root"* and *"fdisk /dev/sdb"* [or whichever is/was your disk where you r installing ocfs2]
Once done, repeat the steps for configuring OCFS2. I was successfully able to mount the disk on both machines.
All this problem was apparently caused by not choosing "allocate all disk space now" option while creating the disk to be used for OCFS2.
If you still have any questions or problem, email me at [email protected] and I'll try to get back to you at my earliest.
Good luck!
Muhammad Amer
[email protected]

Shared Storage allocation for Oracle 10g RAC

Hi,
I am about to implement a Two Node Oracle 10g RAC on Windows 2008 (32-Bit) servers. We are going to use EVA4400 storeage and we have 600 GB for Oracle RAC and database.
I intend to follow the steps given in RACGuides_Rac10gR2OnWindows.pdf mentioned in Note 811271.1 (RAC Assurance Support Team: RAC Starter Kit and Best Practices (Windows)).
I would like to know how should I allocated the storage for OCR,Vote, Database and Flash Recovery Area. Meaning how many LUNs and of what size to be created and presented to both the servers. To start with I need to create a 25 GB database. We will be using Raw Device for OCR and Vote and ASM for Database and Flash Recovery Area.
Please advice.
Thanks,
Thiru

I am about to implement a Two Node Oracle 10g RAC on Windows 2008 (32-Bit) servers. Oracle 10g on Windows 2008 is not supported. Anyway installing a cluster as of today i would use a 64-bit operating system together with a 64-bit database. Everything else is not state-of-the-art anymore.
As of today i would go with 11g Release 1 (11.1.0.7.0) plus latest patches for Clusterware and ASM. Because you are using Windows 2008 you must use 11g Release 1 for the database as well. Bear in mind that Windows 2008 R2 is at this point in time not supported for 11g R1 or 11g R2 either.
I would like to know how should I allocated the storage for OCR,Vote, Database and Flash Recovery Area. Meaning how many LUNs and of what size to be created and presented to both the servers. This is said in the installation documents. Rule of thumb: At least three LUNs of 2 GB for OCR and three LUNs of 2 GB for Voting disk.
To start with I need to create a 25 GB database. We will be using Raw Device for OCR and Vote and ASM for Database and Flash Recovery Area.According to Oracles recommendations: Two disk groups: one for database files, the other for the flashback area.
But your setup may be different (more disk groups,....)
Ronny Egner
My blog: http://ronnyegner.wordpress.com

Considering shared storage for Oracle RAC 10g

Hi, guys!
My Oracle RAC will be run on VMware ESXI 5.5. So, both 2 nodes and shared storage are on VM. Don't blame for this, I dont have another choice.
I am choosing shared storage for Oracle RAC. I am choosing between NFS and ISCSI server, both can be done in RedHat linux or FreeNAS.
Can u, guys, help me to do the choise?
RedHat or FreeNAS
ISCSI or NFS
Any help will be appreciated.

JohnWatson написал(а):
NFS is really easy. Create your zero-filled files, set the ownership and access modes, and point your asm_diskstring at them. Much simpler than configuring an iSCSI target and initiators, and then messing about with ASMlib or udev.
I recorded a public lecture that (if I remember correctly) describes it here, Oracle ASM Free Tutorial
I will be using OCFS2 as cluster FS. Does it make any difference for NFS vs ISCSI?

10g R2 RAC on Solaris 10 with EMC Storage

We are in the process of setting up 3/4 node RAC with the following components:
Oracle 10g R2 RAC
Oracle Clusterware / Sun Cluster / Veritas Cluster
Sun Solaris 10
EMC storage
ASM/Cluster FS
I would appreciate if some one can through some light on:
* ) Veritas cluster / Sun Cluster is must component or Can I use Oracle clusterware ? what are the advantages and disadvantages of using Oracl clusterware compare with varitas cluster or sun cluster
* ) Is cluster filesystem a compulsory component or Can I use ASM instead of Cluster File system.
* ) If I don't use cluster filesystem where to put CRS repository and voting disk ?
* ) What is best option for Oracle_Home, is it shared oracle home or sepereate oracle_home on each node ?
* ) Are there any known risks invovled in using ASM. How is the I/O performance with ASM on EMC with Solaris ? Are there any best practices
* ) Is GigE okay for interconnect or do I need to go for Infiniband ?
* ) Is there any notes on Best practices for the above components
*) Do I need to consider fail over option for NIC's (interconnect and public), if yes, how to do that ?
*) Are there any other risks do I need to consider ?
Thanks
G

Hi,
I see lot of good input. I have done few RAC installs on sun/solaris/emc ...
Here are few things to consider.
* ) Veritas cluster / Sun Cluster is must component or Can I use Oracle clusterware ? what are the advantages and disadvantages of using Oracl clusterware compare with varitas cluster or sun cluster
Just stay with Oracle Clusterware. If there are any issues then you only have to deal with one vendor and there will be no finger pointing. In any case Oracle Clusterware is needed even if you install Veritas/Sun.
* ) Is cluster filesystem a compulsory component or Can I use ASM instead of Cluster File system.
For the database you can use ASM. The only time I have considered a cluster filesystem is if external tables were in use.
When you use ASM you need to partition the disk with 1 meg offset or start at cyclinder 1.
* ) If I don't use cluster filesystem where to put CRS repository and voting disk ?
OCR and Voting Disk go on raw devices.
* ) What is best option for Oracle_Home, is it shared oracle home or sepereate oracle_home on each node ?
Install ORACLE_HOME, ASM_HOME and CRS_HOME locally on each server.
* ) Are there any known risks invovled in using ASM. How is the I/O performance with ASM on EMC with Solaris ? Are there any best practices
http://www.oracle.com/technology/products/database/asm/pdf/asm-on-emc-5_3.pdf
We have always installed 2 HBAs and used powerpath.
* ) Is GigE okay for interconnect or do I need to go for Infiniband ?
For a majority of cases gigE is sufficient.
* ) Is there any notes on Best practices for the above components
Have redundancy at each level.
*) Do I need to consider fail over option for NIC's (interconnect and public), if yes, how to do that ?
You can use IPMP. Use large send/receive buffers. Enable Jumbo Frames.
We had to apply some patches.
5128575 - RAC install of 10.2.0.2 does not update libknlopt.a on all nodes
4769197 - WHILE ONE NODE OF RAC IS DOWN, CONNECTIONS FROM CLIENT HANG
patch 5749953
Thanks
G

Shared Disk Subsystem for Oracle 10g RAC

I am investigating the feasibility of clustering two 220Rs together in an Oracle 10g RAC configuration. Can I use a D1000 disk array for the shared storage between the two nodes? Can you briefly describe how to do it or point me to documentation on how to do it?

hi dstmark,
can you kindly share some information with me? i am thinking of building up a small lab at home using A1000 to build up an Oracle RAC, as a1000 have 2 scsi port and have a build in controller.
but i am unsure about the detail software requirement, as google return some conflict information.
is SUN cluster would be enough? do i need to get something like Veritas Cluster? which may require a license key....
thanks for sharing information.

10g RAC on varitas Cluster Software & Shared storage

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