Question on 11.2 RAC Networking Configuration

I have a random question regarding the network interface configuration for (specifically 11.2) an Oracle RAC requirement. Is there a requirement anywhere that states that all nodes in the cluster must have the same named interface on each distinct node serving the same purpose in order for all nodes of the cluster to communicate properly?
Here is an example of my question - My curiosity is, is this a requirement?
Node 1
eth1 - 10.0.0.1 (public)
eth1:1 10.0.0.25 (vip)
eth2: 192.168.1.25 (priv/interconnect)
Node 2
eth1 10.0.0.2 (public)
eth1:2 10.0.0.26 (vip)
eth5: 192.168.1.35 (priv/interconnect)
Note: eth2 is private on node 1, where eth5 is private on node 2.
Does node 2 have to follow the same pattern where eth1 is public, and eth2 is private, or for node 2, can eth5 be assigned to the private subnet and eth1 be assigned to the public subnet?
Odd question I know. Any means to clarify for me would be most helpful and appreciated.
Thanks,
CJ

Hi,
DBA wrote:
I have a random question regarding the network interface configuration for (specifically 11.2) an Oracle RAC requirement. Is there a requirement anywhere that states that all nodes in the cluster must have the same named interface on each distinct node serving the same purpose in order for all nodes of the cluster to communicate properly?
Here is an example of my question - My curiosity is, is this a requirement?
Node 1
eth1 - 10.0.0.1 (public)
eth1:1 10.0.0.25 (vip)
eth2: 192.168.1.25 (priv/interconnect)
Node 2
eth1 10.0.0.2 (public)
eth1:2 10.0.0.26 (vip)
eth5: 192.168.1.35 (priv/interconnect)
Note: eth2 is private on node 1, where eth5 is private on node 2.
Does node 2 have to follow the same pattern where eth1 is public, and eth2 is private, or for node 2, can eth5 be assigned to the private subnet and eth1 be assigned to the public subnet?
Doc 11.2.0.2 says:
About Network Hardware Requirements
* Public interface names must be the same for all nodes. If the public interface on one node uses the network adapter eth0, then you must configure eth0 as the public interface on all nodes. Network interface names are case-sensitive.
* You should configure the same private interface names for all nodes as well. If eth1 is the private interface name for the first node, then eth1 should be the private interface name for your second node. Network interface names are case-sensitive.
http://download.oracle.com/docs/cd/E11882_01/rac.112/e17264/preparing.htm#TDPRC123
Network Hardware Requirements (Linux Installation)
If you install Oracle Clusterware using OUI, then the public interface names associated with the network adapters for each network must be the same on all nodes, and the private interface names associated with the network adaptors should be the same on all nodes. This restriction does not apply if you use cloning, either to create a new cluster, or to add nodes to an existing cluster.
For example: With a two-node cluster, you cannot configure network adapters on node1 with eth0 as the public interface, but on node2 have eth1 as the public interface. Public interface names must be the same, so you must configure eth0 as public on both nodes. You should configure the private interfaces on the same network adapters as well. If eth1 is the private interface for node1, then eth1 should be the private interface for node2.
http://download.oracle.com/docs/cd/E11882_01/install.112/e17212/prelinux.htm#CWLIN209
As the documentation says this restriction is valid when Install using the OUI, but have different interface name is supported if configured manually.
Anyway if you are installing using the OUI you have the option to rename the interface thus like Bjoern said.
Can We Rename a Solaris Network Interface To Fit a New Node Into an Oracle RAC ? [ID 1288614.1]
Far as I Know using Solaris/AIX/Linux this is possible but depending on the OS and type of Kernel may not be supported.
Regards,
Levi Pereira

Similar Messages

Multihomed network configuration

So, when I say multihomed what I really mean is that Macbook Air is configured to use two network interfaces -- Wi-Fi and USB ethernet -- in one Location. Each interface is configured to work on a different subnet. In fact, wi-fi is assigned a public IP address of 195.88.xxx.xxx, and USB ethernet NIC a private address of 192.168.0.252/24. Wi-Fi is en0, and USB ethernet is en2. Both interfaces are in active state.
My goal is to have MBA to route all traffic to en0, except for 192.168.0.0/24 network which I want to go via en2, the USB ethernet card.
The topology is pretty simple:
Linux Laptop <--- Linksys Cisco Router <---   en2 via <--- MBA ---> via en0   ---> Linksys Cisco Router ---> <Internet>
Essentially, I need to put en2 on the ethernet segment where the Linux laptop is to be able to talk to it directly. No routing needed. This apporach works without any problems in Linux environment. However, on Mac OS X it doesn't work and it makes me wonder why.
A few details on what happens on the network:
tcpdump output from Linux machine (it is assigned 192.168.0.253/24):
13:08:17.476326 ARP, Request who-has 192.168.0.253 tell 192.168.0.252, length 46
13:08:17.476354 ARP, Reply 192.168.0.253 is-at 00:13:77:49:00:be, length 28
13:08:18.476885 ARP, Request who-has 192.168.0.253 tell 192.168.0.252, length 46
13:08:18.476911 ARP, Reply 192.168.0.253 is-at 00:13:77:49:00:be, length 28
13:08:19.478089 ARP, Request who-has 192.168.0.253 tell 192.168.0.252, length 46
13:08:19.478113 ARP, Reply 192.168.0.253 is-at 00:13:77:49:00:be, length 28
13:08:20.478393 ARP, Request who-has 192.168.0.253 tell 192.168.0.252, length 46
13:08:20.478417 ARP, Reply 192.168.0.253 is-at 00:13:77:49:00:be, length 28
13:08:21.479522 ARP, Request who-has 192.168.0.253 tell 192.168.0.252, length 46
13:08:21.479551 ARP, Reply 192.168.0.253 is-at 00:13:77:49:00:be, length 28
and this is tcpdump output from Macbook Air:
13:08:17.473933 ARP, Request who-has 192.168.0.253 tell 192.168.0.252, length 28
13:08:18.474507 ARP, Request who-has 192.168.0.253 tell 192.168.0.252, length 28
13:08:19.475732 ARP, Request who-has 192.168.0.253 tell 192.168.0.252, length 28
13:08:20.475968 ARP, Request who-has 192.168.0.253 tell 192.168.0.252, length 28
13:08:21.477168 ARP, Request who-has 192.168.0.253 tell 192.168.0.252, length 28
I tried Service Reorder (in System Settings->Network) and set en2 as the first device on the list, or one position behind en0. It doesn't change anything.
My question is similar to these discussions:
https://discussions.apple.com/thread/2297388?start=0&tstart=0
https://discussions.apple.com/message/9984744?messageID=9984744#9984744?messageI D=9984744
and in one of them it is implied that no extra configuration should be made beyond what I've already done, but clearly Mac OS X doesn't see ARP request reply from the Linux machine.
BTW, firewalls are down on both systems.
I also found this network configuration manual for Princeton University campus network
http://www.net.princeton.edu/mac/network-config-x-10.8/caveats.html#ip-weakend
that claims that Mac OS X actually cannot do what I'm attempting to and refers to Weak End System Model which in essence is described in RFC4907 as:
In the Weak End System model, addresses refer to a host. As a
        result, packets sent on an outgoing interface need not
        necessarily have a source address configured on that interface,
        and incoming packets whose destination address does not
        correspond to the physical interface through which it is
        received are accepted.
That could explain why ARP request reply never makes it back to Mac OS X.
So, any ideas? Any tips?
I'd highly appreciate help of the community because I'm stuck

I dont have a PSC2210 but one of the documents I saw said to go to the front panel of the printer, press the Setup button, press 6 and then press 1 to print the Network Configuration page.
Binary_Zen (worked at HP )
Click the white Kudos star to say thanks
Please mark Accept As Solution if it solves your problem

HT203192 "networksetup is trying to modify the system network configurations" type your password to allow this.

"networksetup is trying to modify the system network configurations" type your password to allow this.Type your password to allow this. No amount of password typing seems to satisfy the request. The pop up box will not go away!!!!

Hi Glenyse,
Did you find the answer to your question? I have the same problem. Or can anyone else help?
My wife’s 2012 Macbook Pro has Yosemite and is using Wi Fi for the internet connection.
Every time, both on startup and awaking from sleep, a window appears on the desktop with a locked icon saying, “Networksetup is trying to modify this system. Type your password in to allow this”.
The window (which can’t be moved or dragged) shows the computer’s user name. The password has to be repeatedly typed in as many as 10 times and the highlighted ‘modify configuration’ box clicked before the window disappears and the computer then functions normally.
Needless to say, this is driving my wife up the wall… I would certainly appreciate information on how to get rid of this troublesome window!

Could not find Wireless network configuration Oracle linux Enterprise

HEllo,
I was able to install oracle linux OS on my laptop and I was able to use internet thru wired network, but I tried to config the wireless network and I could not find any docs or online source to config wireless network on OLE machines.Belwo is the source that i used for installing the linux, he gave only one scrrenshot for network configuration where I see wireless tab also,but nothing is working when i configure wirless
http://www.oracle-base.com/articles/linux/oracle-linux-6-installation.php

iamsid wrote:
HEllo,
I was able to install oracle linux OS on my laptop and I was able to use internet thru wired network, but I tried to config the wireless network and I could not find any docs or online source to config wireless network on OLE machines.Belwo is the source that i used for installing the linux, he gave only one scrrenshot for network configuration where I see wireless tab also,but nothing is working when i configure wirless
http://www.oracle-base.com/articles/linux/oracle-linux-6-installation.php
Wrong forum. Your question has nothing to do with Oracle Database Installation. You might try the [url https://forums.oracle.com/forums/forum.jspa?forumID=822] Oracle Linux forum..
When you post there it will be helpful if you will provide some detail on what you actually did and and the result. So far all you've really said is "Here is a picture of a Ford. Why can't I get my Chevy to run?"

Please help about OVM network configuration

I have ready RAC OVM templates and below is the instructions.
Can someone explain this to me?
I want to create a OVM server and OVM manager on virtualbox. But I couldnt und network configurations.
Following are the non-standard requirements for your OVM setup:
The VMs must be able to interact with the OVM server (Dom0) at IP address 192.0.2.1
The OPVM server (Dom0) must supply NTP and DNS services to the DB VMs
The OVM server must be configured with 3 virtual bridges (virbr0, virbr1, virbr2) to support the different Database Machine networks.
Here are some notes, assumptions and requirements associated with these VMs:
1. The public network interfaces on all the VMs occupy addresses in the 192.0.2.X range. The private storage network and cluster interconnect on all the VMs occupy addresses in the 192.168.1.X range.
2. All the VMs assume access to NTP and DNS services provided by servers at 192.0.2.1. One way to provide these services is to configure a bridged network interface on 192.0.2.1 under Dom0 and to configure NTP and DNS services on Dom0. Another way is to create an additional VM with a primary network interface on 192.0.2.1 which offers the required services.

986330 wrote:
I have 16gn memory on my laptop and I want to create an OVM server and OVM manager on virtual box. Is it possible?
Then I will import some OVM templates to that system.
No - not possible using Virtualbox - as noted, OVM and Virtualbox are different technologies and an OVM install will destroy the native OS.
I believe you are confusing technologies and terms. If I understand your needs, you are wanting to install Virtualbox on your OS, then create VMs using Virtualbox and/or import Virtualbox VM templates. Note that Virtualbox VM templates are different than OVM VM templates - the latter can only be installed on OVM Server.
1.1 Installing Oracle VM
HTH
Srini

Network Configurations

Hello Guys,
I would like to know that if I have web page of 100KB size in a web site which actually when gets loaded from production server to client side browser, its size increases depending on data. This web page size after getting loaded is minimum say 700KB.
Now my main question is if there are say 20 users accessing this web page at a time. Now these 20 users must be expecting that this page must get loaded within few seconds. To load this web page within few seconds what should be my network configuration? It might be possible that these 20 users are sitting in different locations of a country. So what should be bandwidth required? Is it necessary to have T1 broadband connection?
Please let me know about this scenario's solution as early as possible.
Thanks in advance.

Hi,
I figured out what I did wrong or there is a bug in /etc/rcS.d/S30network.sh. At the begining, I created /etc/hostname.elxl0:1 with the command touch. Then I used the text editor to edit /etc/hostname.elxl0:1, /etc/hosts, and /etc/netmasks. The elxl0:1 got plumbed, but it did not get the assigned ip address and netmask.
After browsing /etc/rcS.d/S30network.sh, I deleted /etc/hostname.elxl0:1 and /etc/rc2.d/S70virtual. This time, I use the vi editor create /etc/hostname.elxl0:1 and edit it. And to be sure, I re-edit /etc/hosts and /etc/netmasks with vi editor. Reboot and it works perfectly.
Conclusion? I think the text editor saves some extra characters in those files. Or simply the script /etc/rcS.d/S30network.sh couldnt read correctly.
Thanks,
Peter

Wireless printing with 2 (or more) printers + manual network configuring

Here's my previous question:
Network configuration: Cable modem (Linksys)-Wired cable router (Linksys)-Airport Extreme Base Station. Wired cable router is used for VOIP phone which is left on 24/7. Base station is shut off when not in use. I had 2 printers, HP multifunction and Samsung color laser printer connected to the Airport via a USB hub, but I could only print from 1. The printer I wanted to use had to be ON and then the Airport turned on to recognize it. So, I purchased a dLink DPR-1260 wireless printer hub. It had to be configured with a Windows operating system, which I did with an XP business laptop. The printer hub had to be configured wired and then the Cat 5 cable removed. The IP address: 10.0.1.2 (dynamic) is what Airport gives whenever anything is plugged into that port. MAC address: 001E589D8035 (which is what the printer hub says on it). SSID is correct. Raw TCP port and LPR/LPD enabled. Re-established Firewall and WPA2 security. Both printers work fine (even scan on HP) wirelessly with Windows XP laptop.
However, neither printer works with either MAC (G5 or iBook) Although they both (HP & Samsung) appear to be ready and start the printing process by downloading percentages of the job.
New info: The IP address of the dLink (DPR-1260) print server is now 10.0.1.3 (Airport is 10.0.1.2) I can connect to 10.0.1.3 thru Safari (or Firefox) and see the device info. I can't configure there. dLink told me to manually configure in network preferences. Their instructions told me to manual change the print server address to 102.168.0.x (x not 10). Then make Appletalk active. When I tried to add the DPR-1260 on the network is said IP Config 10.0.1.3 in use by 00:1e:58:9d:80:35 I guess I need to start over. How can I add the DPR-1260 manually to the network?

xee -
You have two simultaneous problems. Print Server setup, and network-capable CUPS driver required for each printer. Unless either printer is a postscript one, the drivers provided by the manufacturers are Carbon-type, limited to exactly what they programmed it for - probably USB only. That's why Airport Extreme/Express have an advantage over other print servers - Apple has put Mac-to-Mac printer sharing into Extreme/Express, so a USB-only driver works over the network. Other print servers require use of the industry-standard comm protocols LPD or raw port 9100 (=HP Jetdirect) or IPP. Those standard protocols are provided by CUPS and you have to use a CUPS driver with them.
Make it work:
1. Allow the print server to get its IP address just as it has.
2. Install CUPS drivers:
http://www.linuxfoundation.org/en/OpenPrinting/macosx
or
http://www.printfab.net

How to handle changing IPv6 network configurations

Hi,
I run a Mac Mini as a server with OS X Server 10.8.5/2.2 on it using an internet connection with DS-lite. The server runs fine on a private IPv4 and a public IPv6 assigned by the ISP thrugh my router. Now from time to time (on some really odd days 5 times a day) my ISP decides to change my IPv6 prefix and as a consequence the IPv6 of my server. This results in a warning and some services seem to work not always properly. When I handle the warning and update the network configuration (although all relevant pieces of configuration that are shown along this proces remain unchanged), everything is back to normal.
Now I wonder whether there is better way to handle changing IPv6 prefixes while everything else is unchanged? Any thougths? Thanks. Steffen

I'll add my 2 cents too Sudheer...
I suppose your versioning strategy should take into account your particular circumstances, impact analysis, ESB architecture etc...
In our case it makes sense to version the service operations because we have some consumers that want to stay on the older version & other that want to move with the changing versions...
We've noticed that SAP, with the standard delivered enterprise services also version step the service operations so you esentially have 2 service contracts but one that caters for additional fields/functionality. The consumer uses the service operation that they prefer.
The other possibility, if you are in a position to make the new fields 'optional' then you could do that without impacting all the consumers, the consumers that have the additional info to pass in the request can do so & the other consumers can carry on business as usual.
Then you could also version step the entire service, that would entail making use of a new software component version but this would entail new endpoints & depending on your architecture it could impact all your consumers. If you're using an integrated ESB architecture, your consumers would have one endpoint & the ESB would route the request to the relevant service version.
So you could minise impact on the consumers & develop a good versioning strategy depending on what your current situation is.
Regards, Trevor

How can i print a network configuration page , i need the IP on a ph1510

how can i print a network configuration page , i need the IP on a ph1510

Hi,
What is the exact printer model?
If it is the HP Deskjet 1510, this is a USB printer and it does not offer any network capabilities.
Shlomi
Say thanks by clicking the Kudos thumb up in the post.
If my post resolve your problem please mark it as an Accepted Solution

Can not start Oracle 8.1.7 Network configuration assistant

Hi!
I have Oracle 8.1.7 on a PIII 1Ghz 256 Mb running win2k sp2 , I try to run Network configuration assistant and nothing happens , I can run dba studio and sql/plus or Database configuration assistant without problems but no way with any tool under network.
Any idea?
Thanks!!

Got past this spot... Thanks to the beefier shared memory/semaphore settings in this website (from another response in this forum)
http://www.dbspecialists.com/4dbas/presos/oracle817solaris.html

Network configuration Solaris 10.

Hi all,
I got my solaris up and running with Audio and graphics working fine. Now I need to setup internet. I know the following details. Can anybody help me how to set this information. In linux I would, network configuration tool and on windows, I chang the TCP/IP properties. I don't know what to do in solaris.
I ahve the following information.
1) My IP Address
2) Subnext mask
3) DNS
4) Primary gateway
5) Sec. Gateway.

If your IP is dynamic, Solaris should get you connected to web, without your intervention. Just make sure the DHCP client is running (it runs, by default). Also check this compatibility list: http://www.sun.com/bigadmin/hcl/data/sol/components/views/networking_all_results.page1.html
If everything looks good, you can try "inetmenu" tool to get a valid IP address. More information is available at OpenSolaris web site: http://opensolaris.org/os/community/laptop/inetmenu/

XML Schema validation error in network configuration. Missing DnsRef

When ever we try to make changes to a Virtual network we receive
XML Schema validation
error in network configuration. Missing DnsRef
We can't make any changes to the Virtual network.
The DNS ref exists as well.
Considering exporting network config and re-importing however we have a lot of networks configured and want to be sure this is the correct way to proceed.
Any feedback much appreciated.
Thanks

Hi,
We are having the same problem, so you are not alone.
I had an extensive call with Azure premium support and we where able to determine that:
- Nothing is missing or in the wrong place in my exported .xml file.
- Any changes to the VNET's using the web gui interface of https://manage.windowsazure.com is not possible when you have dns servers and use an gateway
- You can download the .xml configuration file of the network and make manual changes to it, then import it again , to add/remove dns servers and or subnet's.
I am currently waiting for an solution, i have let them lower the urgency from A to B (because i can make changes trough xml) and responded to the next support contact (saying he will continue with the issue) that the problems seems to be with azure and
he should speak with the previous person helping me. I have not heard from Azure support since.
SR Number:115021812414226
Open on:02/18/2015 09:28
> There are networks with and without gateways created and the issue is happening on all the networks.
> We are unable to add or remove the DNS servers. (by web gui)
> Also not able to add or remove any subnets. (by web gui)
> Every time the error message is same but the DNS server name is different. (from another subnet then the one we are changing)
> Created CRI- 3405931, but they said it will need WATS team.
> Confirmed with WATS engineer as well and moving case to WATS.
> Cx agreed to lower the severity of the case as they are able to make changes through the network configuration file.
> But they still want to get this resolved soon.
> Agreed and dropped off, reducing severity to B 24/7.
I hope microsoft is going to resolve this soon, as i do not want to edit my xml for little things like adding a subnet all the time. I have requested an status update in the issue.
Should anyone have more information on this, please share it here.

Apple TV looses network configuration

Hi people;
I have configured my Apple TV and everything works fine. I accessed ITunes, photos etc...
When I put the AppleTV on a stand by mode it loose the network configuration every time.
Does somebody know how to save the network configuration in oder not to loose it?
Thanks;
Joaquim Santos Neto

It might not solve your problem but you could eliminate it as a possible cause by changing to a 5 letter password for 64/40 bit encryption or a 13 letter password for 128/104 bit encryption.

WiFi PC connection: network configuration hangs

I have a new Z3C (UK) and I am trying to sync it with a Windows 7 x64 PC for WiFi access. The drivers are installed and "Xperia Z3 Compact" appears in "Computer". If I right-click and choose "Network Configuration" as per the instructions, a dialog appears asking my if I want to start the pairing process. I click OK and the wizard hangs. I have to unplug the device in order for the dialog to come back to life and tell me it cannot pair my device. Both devices are connected to the same WiFi network and the phone is in MTP mode. I have tried two Windows 7 x64 PCs now and the result is the same: I cannot get this to work.
Does anyone have any suggestions? I have installed PC Companion but see no options for WiFi pairing.
Help...!

Hi and welcome to the community! Since you're new please be sure that you have checked out our Discussion guidelines.
I suggest that you download our program PC Companion:
http://www.sonymobile.com/global-en/tools/pc-companion/
In PC Companion press at "How to connect" and then select "Wi-Fi connection" and follow the instruction that appears to see if you can pair your phone with your PC.
- Official Sony Xperia Support Staff
If you're new to our forums make sure that you have read our Discussion guidelines.
If you want to get in touch with the local support team for your country please visit our contact page.

Oracle 10g Installtion error Network Configuration requirements ... failed

Checking Network Configuration requirements ...
Check complete. The overall result of this check is: Failed <<<<
Problem: The install has detected that the primary IP address of the system is DHCP-assigned.
Recommendation: Oracle supports installations on systems with DHCP-assigned IP addresses; However, before you can do this, you must configure the Microsoft LoopBack Adapter to be the primary network adapter on the system. See the Installation Guide for more details on installing the software on systems configured with DHCP.

Are you installing Oracle 10G R2? If this is the case then for DHCP network environments, you need to create a Microsoft loop back adapter.
Microsoft Loopback Adapter creation:
===========================
Step 1: Programs -> control panel -> Add Hardware.
Step 2: In the Add Hardware wizard. Click 'Next' and select 'Yes, I have already connected the hardware'. option and click on 'Next'.
Step 3: Select the last option 'Add a new hardware device' from the 'Installed hardware' window and click on 'Next'.
Step 4: Select the last option 'Install hardware that I manually select from the list (Advanced) and click on 'Next'.
Step 5: Select 'Network adapters' in 'Common hardware types' list and click on 'Next'.
Step 6: Where you can see 'Microsoft loopback adapter' on the right hand side of the frame.
Step 7: proceed with all default installation and then try installing Oracle.
I hope this will suffice.
Thanks
Venugopal

Question on 11.2 RAC Networking Configuration

Similar Messages

Maybe you are looking for