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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mkqdisk

mkqdisk(8)						      Quorum Disk Management							mkqdisk(8)

NAME

       mkqdisk - Cluster Quorum Disk Utility

WARNING

       Use of this command can cause the cluster to malfunction.

SYNOPSIS

       mkqdisk [-?|-h] | [-L] | [-f label] [-c device  -l label] [-d [-d ...]]

DESCRIPTION

       The mkqdisk command is used to create a new quorum disk or display existing quorum disks accessible from a given cluster node.

OPTIONS

       -c device -l label
	      Initialize  a new cluster quorum disk.  This will destroy all data on the given device.  If a cluster is currently using that device
	      as a quorum disk, the entire cluster will malfunction.  Do not run this on an active cluster  when  qdiskd  is  running.	 Only  one
	      device  on  the  SAN should ever have the given label; using multiple different devices is currently not supported (it is expected a
	      RAID array is used for quorum disk redundancy).  The label can be any textual string up to 127 characters - and is therefore  enough
	      space to hold a UUID created with uuidgen(1).

       -f label
	      Find the cluster quorum disk with the given label and display information about it.

       -L     Display information on all accessible cluster quorum disks.

       -d     Increase debugging level.  Specify multiple times for more information.  Currently, specifying more than twice has no effect.

SEE ALSO

       qdisk(5), qdiskd(8), uuidgen(1)

								     July 2006								mkqdisk(8)