Installation of iAS9 - DNS

Hi,
am installing iAS9i on NT 4.0 I have teh following question please:
who can i setup DNS for the nt that make iAS9i configuration working
Thanks,
Hazem

Sorry that didn't work, Stefan.
Perhaps HP has the wrong graphics driver pegged to the support page for your notebook.
I doubt I will be able to help you with this problem.
The only suggestion I can offer would be to try other Intel HD graphics drivers from other business notebooks such as the Elitebook 850 G1.

Similar Messages

TREX Patch Installation ERROR - DNS Domain Name

Dear all,
I have been facing a problem with a TREX Installation and I would like to request your help.
After successfully installing a portal (EP 7) and a TREX instance (7.00), I encountered the following error
while trying to install the TREX patch.
The Error that pops-up is the following:
"unknown message ID (osmod.hosts.getHostByAddress2) with parameter(s): -84.-230.-250.114".
This error appears when the installation reaches the 'DNS Domain Name' step.
The installation cannot procceed without resolving this issue.
I have been trying to install patch 49, which I have successfully installed in other TREX instances so there
should be no error with the binaries.
Has anyone come across a similar situation?
I would appreciate your input on the matter
Thanks in advance,
Kontogianni Eleni
Edited by: Eleni Kontoyanni on May 20, 2011 2:36 PM

Dear Eleni,
The issues that I have encountered where unrelated, otherwise I would have mentioned them for you as a clue
But what I was trying to say is that although sometimes prerequisites look OK there can be a bug or exception in the SAP coding that might cause this. Examples of these non-related issues are:
- https://service.sap.com/sap/support/notes/1114042
and
- when using the KM Portal Drive with a description that is "to long" connection is suddenly not possible.
I therefore advise you to open an OSS message @ SAP Support.
Cheers,
Benjamin

SSRS 2008 r2 - the Report Manager won't load unless "/Reports" is added to the DNS entry in address bar

Need some direction, please.
We are moving off SSRS 2005 to a new server with SSRS 2008R2. The old installation (2005) a DNS entry was created "reports" with the ip address and port number simple. In the Configuration manager the Report Manager Virtual Directory
is "Reports". Website is Default web site. Typing "reports" into the address bar opens up report manager. When this is done the address shows as reports/reports/pages/folder etc.
The new installation is configured the same(?). DNS entry "reports2" with new ip address and port number. In the Configuration manager the Report manager URL virtual directory is "Reports" URLs: =
http://servername:port/Reports. The issue is when typing "Reports2" into the address bar the report manager won't open unless "reports" is added to the dns name i.e. http://reports2/reports
is entered.
This thread took me to more like kind thread than my searches. Went into IIS in the default web site I added an htm file with a redirect. Then started it, it works. Maybe due to my inexperience but seems counter intuitive as I thought Reporting Services did
away with any reliance on IIS.

Hi Urquhart,
According to your description, if you type "Reports2" in the browser, then you want to redirect to the report manager homepage in SSRS 2008 R2, right?
In Reporting Services 2008 R2, it uses HTTP.SYS for HTTP access and it’s independent of Internet Information Server(IIS). The role for HTTP.sys in Reporting Services is that, HTTP.sys receive the user's request, and then send it to report server. Report
Server handle the request(e.g. authenticate the users), and then use HTTP.sys the send HTTP responses again. In a word, HTTP.sys is just a driver, which allow us to communicate the clients(browser) with Report Server without Microsoft Internet Information
Server(IIS).
So, since HTTP.SYS doesn’t provide URL redirection function, we are not able to redirect "Reports2" to report manager homepage by default. If we want to use redirect function, we should add a .html file in IIS to redirect the user to the report
manager.
Similar thread for your reference:
SSRS 2008 URL Redirecting
SSRS 2008 R2 Homepage Redirection
If you have any question, please feel free to ask.
Best regards,
Qiuyun Yu
Qiuyun Yu
TechNet Community Support

Installation problem,"Illegal option: -green"

I tried jre117_v3 and jre116_v5 and all both get following
error message.
Any pointer where I did wrong ?
Thanks in advance
---------installation log -------------------------
[oracle@dns src]$ ./runInstaller
Initializing Java Virtual Machine from /usr/local/jre/bin/jre.
Please wait...
Illegal option: -green
Java(tm) Runtime Loader Version 1.1.6
Usage: jre [-options] classname [arguments]
Options:
-?, -help print out this message
-v, -verbose turn on verbose mode
-verbosegc print a message when garbage collection
occurs
-noasyncgc disable asynchronous garbage collection
-noclassgc disable class garbage collection
-ss<number> set the maximum native stack size for any
thread
-oss<number> set the maximum Java stack size for any
thread
-ms<number> set the initial Java heap size
-mx<number> set the maximum Java heap size
-D<name>=<value> set a system property
-classpath <path> set class path to <path>
-cp <path> prepend <path> to base class path
-verify verify all classes when loaded
-verifyremote verify classes loaded from the network
(default)
-noverify do not verify any classes
-nojit disable JIT compiler
null

Gunjan (guest) wrote:
: Friends:
: I downloaded JRE1.1.6 v5 from blackdown for redhat 6.0
: I finished all inital set ups.
: when I do .runinstaller, it initializes JRE and flags an error
: illegal option -green
: I am installing server 8.1.5
Now i don't remember well but there are two type of JRE: native
and green.
Oracle8i require only one of them. Don't remember now which one.
I remember that the patch oracle released solved some of this
problems for some scripts.
But there is even an "hard" solution. There must be a directory
named "native_threads" under your JRE tree. Make a simbolic link
named "green_threads" to "native_threads" directory :)
Or, better solution instead of using the CD directly, to copy
all the CD in a directory inside the HD and edit the wrong scritp
removing the invalid option "-green" and putting "-native".
-Stefano
null

RAC 11g SCAN and DNS

Hi,
Do I need to consider and resgister SCAN with DNS or just use SCAN as VIP before I install RAC 11G R2 ?

Hi,
In case you decide to use the Grid Naming Service (GNS),the GNS daemon will allocate three IP addresses from the range of addresses offered by the DHCP server. The IP addresses are Address records in DNS that resolve to the SCAN name in a round robin fashion
In /etc/hosts on each node of the cluster – a single IP for the whole cluster. Helps bypass the OUI installer limitation of DNS defined SCAN.
see this links
http://download.oracle.com/docs/cd/E11882_01/install.112/e17212/prelinux.htm#BABEHBAA
http://gjilevski.wordpress.com/2010/09/03/dns-configuration-for-oracle-11gr2-scan-listeners/

ICal Server installation

There seem to be a lot of threads by people like me who run into trouble setting up iCal Server (I get SACL authentication errors). I admit that I mostly get confused trying to make sense of the various problems and solutions. It'd be great if one of the experts (Tony comes to mind would consolidate the knowledge and describe the process step-by-step for two cases:
1) iCal Server on a Server that uses ISP DNS services
2) iCal Server on a Server that runs DNS
If I read the threads properly, that process should probably begin by a clean installation. The DNS aspects, binding, and the iCal authentication process are among the things that I have the hardest time coming to grips with. And yes, I downloaded & looked at the manuals, followed the instructions, and got absolutely nowhere.
Thanks,
Derk

For many services to work properly in OS X server:
1) Server IP must have forward and reverse IP "FQDN" reachable through the DNS the server use. If the server is behind a NAT router you can't use a public IP (ISP) DNS (can be used only as forwarder).
2) Server and clients should use (the same) private IP DNS (no public IP DNS) if on a private IP network.
searchdomain and hostname on server also important.
On server try: changeip -checkhostname to see if you got it right.
This (DNS) must be working before setting up as OD Master and most other services.

Smf / sometimes does not configure network interfaces in single-user mode?

From http://groups.yahoo.com/group/solarisx86/message/14785
When booting into single user mode, I often get a message
on the console
t_optmgmt: System error: Cannot assign requested addressand only the loopback interface is configured (lo0 inet, and lo0 inet6).
The system's dnet0 interface is not plumbed any more. Configuration
for the dnet0 network interface is via a static ip address; hostname
in /etc/hostname.dnet0, and and ip v4 address for that hostname in
/etc/hosts. This was a Solaris 10 x86 system, but the same problem
has also been observed on Solaris 10 sparc, and the hme0
interface.
svcs -x in single-user mode reports no problems.
Changing to multi-user mode by typing Ctrl-D still does not
configure the real network interface.
One thing that I've noticed is that smf's log file
/etc/svc/volatile/network-physical:default.log
is missing, when the nic interface was not configured.
It seems that the problem with unconfigured network interfaces
does not happen when I boot directly into multi-user mode.
Why isn't the physical interface plumbed and configured when
booting into single user mode on S10 b69?

Hi everyone,
I too have internet connection problem
I have installed Solaris 10 on my Compaq Presario M2000 series
Solaris Management Console Details:
Hostname: HOME
Host ID: 116c4141
Model: i86PC
no of CPUs: 1
CPU: 0
Type: Genuine Intel 6.13.8
Clock Speed: 1,500 MHz
Usage: 1%
Status: Online
Software SunOS 5.10
Physical Mem: 222 MB
Virtual Mem: 729 MB
Virt MEM used: 41 % (298/729) 413 MB available
IP address: 172.19.16.96
Network Connection rtls0: Sending & Receiving Packets
When running WinXP in my laptop before for same IP:
IP address: 172.19.16.96
Subnet mask: 255.255.240.0
Default Gateway: 172.19.31.254
while booting the OS said NFS+ version 4 was detected and the router IP is automatically configured or there is no specific individual router IP, says something like this
# ifconfig -a:
lo0: flag = 2001000849<UP,LOOPBACK, RUNNING,MULTICAST,IPv4,VIRTUAL>mtu 8232 index 1
inet 127.0.0.1 netmask ff000000
rtls0: flags = 1000843<UP, BROADCAST,RUNNING,MULTICAST,IPv4>mtu 1500 index 2
inet 172.19.16.96 netmask ffff0000 BROADCAST 172.19.255.255
ether 0:c0:9f:8c:c9
lo0: flags=2002000849<UP,LOOPBACK,RUNNING,MULTICAST,IPv4,VIRTUAL>mtu 8252 index 1
inet 6 :: 1/128
rtls0: flags = 2000840<RUNNING,MULTICAST,IPv4>mtu 1500 index 2
inet fe80::2c0:9fff:fe9a:8cc 9/10
ether 0:c0:9f:9a:8c:c9
I have modified the files and checked them:
1. etc/hosts
127.0.0.1 local host
172.19.16.96 HOME loghost
2. etc/hostname.rtls0
HOME
3. etc/hostname6.rtls0
HOME
4. etc/netmasks
172.19.16.255 255.255.240.0
I don't know the network IP so i just write this, can anyone tell me how to find the network IP
5. etc/defaultrouter
172.19.31.254
I made this file and wrote the default gateway IP address, can anyone tell me how to find default router IP since the NFS+ version 4 auto detects or auto assigns router IP
6. etc/resolv.conf
domain myhost.com
nameserver: 172.19.16.12
nameserver: 172.19.16.13
still domain name has't been set, i just wrote this, can anyone tell me how to find the domain name or create one. also the name server is just a fake, but how to find one. If i will be connecting my laptop to various IP whereever i go, so do i need to configure network setting again and again ? isn't there any auto network configuration so that i can connect internet where ever i go and let the system auto configure network settings like in windows XP auto IP configuration detect.
7. etc/nsswitch.conf
in this i can't see "hosts: files" but i could see rest of the details. so I inserted "hosts: files dns" in the third line and saved.
I ran the following command in the terminal to find the details:
#ypmatch host-name hosts
ypmatch: the domainname hasn't been set on this machine
(how to set domain name can anyone tell me?)
#move/etc/netmasks: not found
#uname -n
HOME
#cat/etc/nsswitch.conf
cat/etc/nsswitch.conf: not found
#domain name
domain: not found
#ypwhich
ypwhich: the domainname has'nt been set to this machine
#nismatch nameserver-name hosts.org-dir
hosts.org-dir: Error in accessing NIS+ cold file.......is NIS+ installed?
actually during installation i selected DNS type for network giving a wrong nameserver and domain got skipped later
#getent ipnodes dns (no response)
so all these things i did and found by seeing the forum guidelines. I can see the network connection has receivinh and sent packets seems to be working but can't browse internet, also can't ping a website.
if anyone had the same problem but found the answer than kindly let me know. I am new to solaris but i am trying my best.
awaiting reply from gurus
bye for now.................

Performance and Intermedia

In a installation with iAS9 1.0.2.1 (Portal 3.0.8) on W2K and a remote DB (8.1.7.1.1) we are having performance problems when using "advanced search" on a content area.
If you perform a simple search on i.e. "Gentofte" you'll get the result in a few seconds. If you make the same query in the advanced search portlet (with change of the language to Danish), the DB server will be busy (100%) for 2-3 minuttes.
We have approx 10 customer specific meta-data defined as LoV on 7 content areas. The tablespace size is about 2 GB.
I'll expect it has to do with complex SQL statment and large amount of data which can lead to a full table-scan - but I'm not sure.
Does anyone have a suggestion on what to do (other than prohibit advanced search:-)
null

Yes, the order in which you performed things may have resulted in a system where the NCOMP libraries are not correctly installed. If I read your steps correctly, you did the following:
1. installed 10.2.0.1 without NCOMP from companion CD
2. created a 10.2.0.1 databae (no NCOMP)
3. upgraded installation to 10.2.0.2, since there is no NCOMP detected, the new NCOMP libraries will not be installed. DB upgrade to 10.2.0.2 (no NCOMP)
4. install 10.2.0.1 NCOMP libraries from companion CD. Now you have NCOMP libraries but they are the wrong version and will not be used.
Do you have access to the Oracle online support system? If so, read note 308579.1 to verify the NCOMP status of your system.

INS-40912] Virtual host name: oracle-vip is assigned to another system

I got above error when I try to install RAC on linux redhat.
I configured vip address on /etc/hosts, and it is showing in ifconfig |grep net.
What should I do to fix this error.
I did not find much documents in oracle support.
Do I have to configure vip address in dns?
Thanks,

Here are the wordings from online installation docs:
2.7.2.2 IP Address Requirements for Manual Configuration
If you do not enable GNS, then the public and virtual IP addresses for each node must be static IP addresses, configured before installation for each node, but not currently in use. Public and virtual IP addresses must be on the same subnet.
Oracle Clusterware manages private IP addresses in the private subnet on interfaces you identify as private during the installation interview.
The cluster must have the following addresses configured:
A public IP address for each node, with the following characteristics:
Static IP address
Configured before installation for each node, and resolvable to that node before installation
On the same subnet as all other public IP addresses, VIP addresses, and SCAN addresses
A virtual IP address for each node, with the following characteristics:
Static IP address
Configured before installation for each node, but not currently in use
On the same subnet as all other public IP addresses, VIP addresses, and SCAN addresses
A Single Client Access Name (SCAN) for the cluster, with the following characteristics:
Three Static IP addresses configured on the domain name server (DNS) before installation so that the three IP addresses are associated with the name provided as the SCAN, and all three addresses are returned in random order by the DNS to the requestor
Configured before installation in the DNS to resolve to addresses that are not currently in use
Given a name that does not begin with a numeral
On the same subnet as all other public IP addresses, VIP addresses, and SCAN addresses

Oracle Database RAC 11gR2 : Role of Public,Private,Virtual, and SCAN IPs.

Hi Experts,
1. Can you please let me know why do we need configure below IP addresses for RAC setup and what is the role that each one plays ?
- Public
- Private
- Virtual
-SCAN
2. What is the relationship between SCAN IP and Virtual IPs ?
Regards

Hi,
859875 wrote:
Hi Experts,
1. Can you please let me know why do we need configure below IP addresses for RAC setup and what is the role that each one plays ?
- PublicConfigured before installation for each node, and resolvable to that node before installation.
Role:
Allow communication/configuration of Virtual/SCAN between the nodes of the cluster. Without Public Interface/IP the Clusterware don't start.
The Virtual/SCAN will work as alias IP on Public Interface over Public Network.
- Private or InterconnectConfigured before installation, but on a separate, private network, with its own subnet, that is not resolvable except by other cluster member nodes
Role:
Clusterware uses the interconnect for cluster synchronization (network heartbeat) and daemon communication between the the clustered nodes.
RAC uses the interconnect for cache fusion (UDP) and inter-process communication (TCP).
Cache Fusion is the remote memory mapping of Oracle buffers, shared between the caches of participating nodes in the cluster.
- VirtualConfigured before installation for each node, but not currently in use. On the same subnet as all other public IP addresses, VIP addresses, and SCAN addresses.
Role:
The goal is application availability. If add or remove nodes it's necessary make config your client adding/removing VIP (with SCAN it's not necessary)
When a node fails, the VIP associated with it is automatically failed over to some other node.
Without using VIPs or FAN, clients connected to a node that died will often wait for a TCP timeout period (which can be up to 10 min) before getting an error.
As a result, you don't really have a good HA solution without using VIPs and FAN. The easiest way to use FAN is to use an integrated client with Fast Connection Failover (FCF) such as JDBC, OCI, or ODP.NET.
-SCANThree Static IP addresses configured on the domain name server (DNS) before installation so that the three IP addresses are associated with the name provided as the SCAN, and all three addresses are returned in random order by the DNS to the requestor
Configured before installation in the DNS to resolve to addresses that are not currently in use. On the same subnet as all other public IP addresses, VIP addresses, and SCAN addresses
Role:
The goal is application availability before clients establish communication with RAC and make the Cluster-Wide totally transparent.
SCAN IP is a new "layer" network (oracle) with high availability that allows you to change the characteristics of your cluster (i.e add/remove nodes) without the need to make configuration changes in their clients "Grid concept".
>
2. What is the relationship between SCAN IP and Virtual IPs ?SCAN IP is used to receive new connection requests and redirects to the VIP IP.
The Virtual IP establishes and allow failover of the connections after connection being established.
When the client requests a connection, Oracle Client 11gR2 find for IPs available for this host-scan and create a list of all SCAN IP the first connection attempt on RAC is using one of SCAN IPs avaliable.
The SCAN Listener will receive this connection and re-direct to one of avaliable nodes using LOCAL_LISTENER from this point the the connection is established using Virtual IP (VIP).
All SCAN/VIP must be resolved by DNS.
The client knows that there is only the SCAN Hostname, which is configured in the connection string.
Once the connection is requested Oracle Clusterware redirects the connection to one of the VIP hostname which must be resolved by DNS.
Regards,
Levi Pereira

Oracle RAC Course Institues in India (Hyderabad)

Hi
I am interested in doing the Oracle RAC course , can someone suggest me any good institutes in India that are offering the course specially in hyderabad .
thanks
Sri

DB Experts offers Best training for Oracle RAC 11g R2 at Hyderabad
Oracle RAC 11g R2 Contents
Introduction
     Introduction of clusters
     Types of cluster
     Components of a cluster
     Hardware requirements
     Define Oracle RAC
     List the advantages of using RAC
     RAC architecture and components
     SGA structures
     Background processes
     RAC internals and overview of cache fusion
Oracle 11g R2 RAC Installation (RHEL 5)
     Operating system preparation for RAC
     Introduction to network hardware
     Private and public network configuration
     Pre installation configurations
     Configuring DNS for SCAN
     Attaching shared storage
     Preparing attached shared storage for ASM Diskgroups
     Installing Grid Infrastructure
     Configuring ASM
Parameters required to configure ASM
Understanding SCAN
     Installation of 11g R2 RDBMS software
RAC Database Creation
     Storage options for RAC Database
     Understanding Parameters
     Creating Disk groups for Database, FRA and archive log
     Creating RAC Database using DBCA
     Creating RAC Database manually
     Policy managed and admin managed databases
Administering RAC and DB
     Using ASMCA and ASMCMD
     ASM administration
     ASM Disk groups metadata backups
     Configuring ACFS
Enabling and Disabling CRS
     Startup and Shutdown of CRS
     Enabling and Disabling Databases
     Startup and Shutdown of Database
     Startup and shutdown of Instances
     Important log files and monitoring
     checking various events
     Management of OCR and Voting disks
     Adding more OCR and Votingdisks
     Backup of OCR and voting disks
     Restoring OCR and voting disks
     Changing locations of OCR and voting Disks
     missing ocr scenario
     changing SCAN IP and port numbers
     Creating and droping redo log threads
     modifying parameters
Managing Services and TAF, Load Balancing
     Introductions to services
     Creating different services
     Startup and shutdown of services
     Understanding and Configuring TAF
     Configuring Oracle Net services
     Configuring Load Balancing
     relocating services
Managing Backup and Recovery
     Configuring Archivelog
     Configuring FRA
     Configuring RMAN
     Configuring Recovery Catalog
     Performing Hot Backups uing RMAN
     Recovery Using RMAN
     Some RMAN recovery scenarios
Database Cloning
     Cloning RAC DB to Single Instance DB using RMAN
     Cloning Single Instance DB to RAC DB using DBCA
Adding and Deleting Nodes
     Adding a new node to RAC
     preparing a node
     preinstallation configuration
     extending clusterware
     extending oracle home
     adding asm and DB instances
     Deleting a node from RAC
     Removing instance
     deinstallation of oracle
     removing crs services
     deinstalling clusterware
Patching and Upgradation
     Applying patches
     Upgrading CRS from 10g to 11g
     Upgrading DB from 10g to 11g
Installing and configuring CHM
Migrating Non RAC DB to RAC DB
     Assuming non RAC DB using File System and
     RAC DB using ASM storage
Some important cache fusion related views
Faculty : Mr Basavraju
Contact : 9866465379
address : F 204, KVR Enclave, Ameerpet
Hyderabad

SCAN IP is not reachable

Hi All,
Is it really necessary to ping reachable to SCAN IP address to processed the Cluster installation.
My DNS server is resolving the SCAN IPs correctly but I am not able to ping the SCAN IPs.
Can any one please help on this regard ?
Thanks In advance.

Thanks levi,
But as per oracle documentation,
Below is an example output from a 2-node cluster with the following configuration:
SCAN name and VIP:
nslookup eotcs.us.oracle.com
Name: eotcs.us.oracle.com
Address: 120.0.0.207
Name: eotcs.us.oracle.com
Address: 120.0.0.205
Name: eotcs.us.oracle.com
Address: 120.0.0.206
Ping doesn't have to go through if ICMP is disabled but should return correct IP for corresponding name.
ping -c 1 eotcs.us.oracle.com
PING eotcs.us.oracle.com (120.0.0.207) 56(84) bytes of data.
*64 bytes from 120.0.0.207: icmp_seq=1 ttl=64 time=3.37 ms*..
ping -c 1 eotcs.us.oracle.com
PING eotcs.us.oracle.com (120.0.0.206) 56(84) bytes of data.
64 bytes from 120.0.0.206: icmp_seq=1 ttl=64 time=1.85 ms
ping -c 1 eotcs.us.oracle.com
PING eotcs.us.oracle.com (120.0.0.205) 56(84) bytes of data.
64 bytes from 120.0.0.205: icmp_seq=1 ttl=64 time=2.45 ms
ping -c 1 eotcs
PING eotcs.us.oracle.com (120.0.0.207) 56(84) bytes of data.
64 bytes from eotcs.us.oracle.com (120.0.0.207): icmp_seq=1 ttl=64 time=3.18 ms
PING is working.

Data Services through WiFi have suddenly stopped working

Hi there,
I own a Blackberry Curve 8900 on o2 UK. I have a data plan and everything was working fine. As I live in a rural part of England where some areas are black spots for signal, I realised that I can use all data services through WiFi.
I am currently in a region of Afghanistan where there is no GPRS/EDGE coverage, my phone only shows as GSM, however untill last week I was still able to use BB Messenger and email through a WiFi connection.
If I open my browser on the phone, I can still use it to access websites, however when I try to send an email or PIN, I straight away get the red clock symbol. It does not even seem to attempt to send, as the red clock is almost simultaneous with pressing send.
The only event that coincides with this problem is the installation of OPEN DNS on the WiFi network I am connecting to. Is it possible that OPEN DNS could be blocking 'data service' or 'blackberry internet service', if I am right in saying that these features use BIS even through WiFi? What would I need to tell my network administrator to look for?
Any help would be much appreciated,
Kind Regards

Okay after some research I have found that;
- The Host Routing Table should have entries in it,
-Mine doesn't.
It certainly used to have them as I remember checking it, I'm thinking this could have been wiped by changing the SIM cards. Therefore I'm going to need to re register next time I'm an area covered by GPRS/EDGE.
So my next question: Is there any way of registering the Host Routing Table through WiFi or manually adding data? I have registered before and I do have the BB data plan.
Thanks again

How to add DNS entry Post Installation in Solaris 10?

Hi, I have installed Solaris 10 without mentioning the DNS entry while installation. How do I add that now in order to make that Solaris 10 to get connected to Internet ?
Thanks in Advance.
Girish Prabhakara.

Solaris 10 changed the way that some things work regarding networking, but this should still work.
1. Change the hosts: line in /etc/nsswitch.conf to include dns.
For example, change:
hosts files
to
hosts files dns
2. Create /etc/nsswitch.conf with the IP addresses of your DNS servers:
Example:
nameserver 192.168.1.100
nameserver 192.168.2.100
3. kill -HUP 1
4. Run nslookup or ping another server via host name (not IP address) to determine if the system is properly communicating with your DNS servers.

Oracle 11gR2 RAC installation with DNS

Dear Guru's,
I want to configure RAC on two node cluster with DNS(For SCAN) in my testing server.
O.S: RHEL5.4(64 bit)
Oracle Version: 11gR2(11.2.0.2)
Note: Am creating nodes in VMware ESXi server.
Just I want to know whether DNS should be configure in any one of those NODES or in separate machine.
Bala :)

Hi Bala,
I want to configure my Database with & without DNS. (Will try both installation in different servers)I think, you have already received a link on very good article about Oracle RAC installation without DNS and DHCP (I mean Jeffrey Hunter's article).
There is one more about Oracle RAC installation with DNS and DHCP (http://gjilevski.com/2011/10/05/build-two-node-oracle-rac-11gr2-11-2-0-3-with-gns-dns-dhcp-and-haip/).
And want to know how it forwards the client connection if a node fails.. Can anyone update the URL for this..There are a lot of information about it:
- http://www.oracle.com/technetwork/database/features/oci/taf-10-133239.pdf
- http://docs.oracle.com/cd/E14072_01/java.112/e10589/apxracfan.htm
- http://www.oracle.com/technetwork/database/app-failover-oracle-database-11g-173323.pdf
Very good videos:
- http://www.dsvolk.ru/oracle/racdd4d/demos/video/taf/session/session_viewlet_swf.html
- http://www.dsvolk.ru/oracle/racdd4d/demos/video/taf/select/select_viewlet_swf.html
- http://www.dsvolk.ru/oracle/racdd4d/demos/video/taf/callback/callback_viewlet_swf.html
- http://www.dsvolk.ru/oracle/racdd4d/demos/video/fan/fan_viewlet_swf.html
Hope it helps,
Best regards,
Gena

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