Re: Multihomed Install

From: DA Morgan <damorgan_at_psoug.org>
Date: Tue, 11 Apr 2006 14:27:48 -0700
Message-ID: <1144790865.992407@yasure.drizzle.com>

dg wrote:
> I am trying to do a new install (10g on Sun V480 running Solaris 10) on
> a multihomed machine. It has two IP addresses.
>
> According to the documentation, as I am aware of and understand it, if
> the ORACLE_HOSTNAME env var is not set, the first entry in the
> /etc/hosts file is used.
>
> I did both-- I made sure that the host name I desired to use preceded
> the second host name in the /etc/hosts file, and I also set and
> exported ORTACLE_HOSTNAME. At the end of the install, OUI displays the
> URLs of the installed J2EE apps (iSQLPlus and iSQLPlus DBA) and it
> shows the wrong host name. That is, it used the host name which
> appeared second in the /etc/hosts file, as well as seeming to ignore
> the ORACLE_HOSTNAME env var.
>
> Does anyone have any tips for installing Oracle on a multihomed
> machine?
>
> Thank you.
>
> DG

Without a bit of context it is hard to tell what you did and what isn't doing what you want it to do.

Here's a typical, for me, /etc/hosts file

#Public Physical Port Addresses

192.168.1.211 alpha1.psoug.org alpha1
192.168.1.212 alpha2.psoug.org alpha2
192.168.1.221 beta1.psoug.org beta1
192.168.1.222 beta2.psoug.org beta2
192.168.1.231 gamma1.psoug.org gamma1
192.168.1.232 gamma2.psoug.org gamma2
192.168.1.241 delta1.psoug.org delta1
192.168.1.242 delta2.psoug.org delta2

192.168.1.213 alpha3.psoug.org alpha3
192.168.1.214 alpha4.psoug.org alpha4
192.168.1.223 beta3.psoug.org beta3
192.168.1.224 beta4.psoug.org beta4
192.168.1.233 gamma3.psoug.org gamma3
192.168.1.234 gamma4.psoug.org gamma4

192.168.1.243 delta3.psoug.org delta3
192.168.1.244 delta4.psoug.org delta4

# Private Interconnect Addresses

10.0.1.1 node1_alpha
10.0.1.2 node2_alpha
10.0.2.1 node1_beta
10.0.2.2 node2_beta
10.0.3.1 node1_gamma
10.0.3.2 node2_gamma
10.0.4.1 node1_delta
10.0.4.2 node2_delta

10.0.1.3 node3_alpha
10.0.1.4 node4_alpha
10.0.2.3 node3_beta
10.0.2.4 node4_beta
10.0.3.3 node3_gamma
10.0.3.4 node4_gamma

10.0.4.3 node4_delta
10.0.4.4 node4_delta

# Shared Storage NetApp NAS Server

192.168.2.200 netapp1
192.168.1.200 netappweb
192.168.2.201 ntap270a
192.168.2.202 ntap270b

# Oracle VIP Addresses

192.168.1.11 vipalpha1.psoug.org vipalpha1
192.168.1.12 vipalpha2.psoug.org vipalpha2
192.168.1.21 vipbeta1.psoug.org vipbeta1
192.168.1.22 vipbeta2.psoug.org vipbeta2
192.168.1.31 vipgamma1.psoug.org vipgamma1
192.168.1.32 vipgamma2.psoug.org vipgamma2
192.168.1.41 vipdelta1.psoug.org vipdelta1
192.168.1.42 vipdelta2.psoug.org vipdelta2

192.168.1.13 vipalpha3.psoug.org vipalpha3
192.168.1.14 vipalpha4.psoug.org vipalpha4
192.168.1.23 vipbeta3.psoug.org vipbeta3
192.168.1.24 vipbeta4.psoug.org vipbeta4
192.168.1.33 vipgamma3.psoug.org vipgamma3
192.168.1.34 vipgamma4.psoug.org vipgamma4

192.168.1.43 vipdelta3.psoug.org vipdelta3 192.168.1.44 vipdelta4.psoug.org vipdelta4

# PSOUG Class Support Addresses

192.168.1.251 red.psoug.org red
192.168.1.252 blue.psoug.org blue
192.168.1.51 vipred.psoug.org red
192.168.1.52 vipblue.psoug.org blue

10.0.1.1 node1
10.0.1.2 node2
192.168.1.206 bigdog.psoug.org bigdog

And it works just fine. What you you doing differently?

-- 
Daniel A. Morgan
http://www.psoug.org
damorgan_at_x.washington.edu
(replace x with u to respond)

Received on Tue Apr 11 2006 - 16:27:48 CDT