Available design options for a cluster hosting many different virtualized Solaris versions Post: 302902529

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Operating Systems Solaris Available design options for a cluster hosting many different virtualized Solaris versions Post 302902529 by Peasant on Wednesday 21st of May 2014 02:06:50 AM

05-21-2014

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Best scenario you would like to use is (and cheapest) :

Install Solaris 11.1 (do not install beta version), it will come with Oracle VM server for sparc on all physical nodes since you currently have multiple version of Solaris in production.

Check to have everything the same version on all physical hosts, this is important (firmware, Os version etc.)

Configure it, and create as much ldoms as you need and migrate your Solaris installations on it.
Oracle VM Server for SPARC Physical-to-Virtual Conversion Tool - Oracle VM Server for SPARC 3.1 Administration Guide

Requirement is to have FC or similar tech (NFS, ISCSI), so all the physical hosts see all the network disks and are logically configured with same names on all physical hosts.

This will enable you to live migrate a ldom from host to host with no downtime or import tje configuration of ldom and boot it on another host in case of failure (you will need to backup ldom xml configuration from all physical hosts on external location).

You can, of course, have local disks ldoms, but those are prone to single host failure, but such configuration can be used if you have SC between two ldoms on two physical hosts.

In the above example, you will not be using SC, for SC scenario is much alike but then clusterware is doing all the migrations and booting in case of failure or switching.

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avahi.hosts

avahi.hosts(5)                                                  File Formats Manual                                                 avahi.hosts(5)

NAME

       avahi.hosts - avahi-daemon static host name file

SYNOPSIS

       /etc/avahi/hosts

DESCRIPTION

       /etc/avahi/hosts is a file which may be used to define static host name to IP address mappings for multicast DNS. This is especially useful
       when publishing DNS-SD services on behalf of other hosts. See avahi.service(5) for more information.

       The file format is similar to the one of /etc/hosts: on each line an IP address and the corresponding host name. The host names  should  be
       in FQDN form, i.e. with appended .local suffix.

AUTHORS

       The Avahi Developers <avahi (at) lists (dot) freedesktop (dot) org>; Avahi is available from http://avahi.org/

SEE ALSO

       avahi-daemon(8), avahi.service(5)

COMMENTS

       This man page was written using xml2man(1) by Oliver Kurth.

Manuals                                                                User                                                         avahi.hosts(5)