Available design options for a cluster hosting many different virtualized Solaris versions Post: 302902236

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Operating Systems Solaris Available design options for a cluster hosting many different virtualized Solaris versions Post 302902236 by Lyxix on Monday 19th of May 2014 02:40:36 PM

05-19-2014

Registered User

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

Good day, everyone, and thanks first off for reading my question.

So, I have been Googling and reading oracle documentation for the past couple weeks, and I am just getting more and more confused as to what I need to do, and I would really appreciate some guidance or at least pointing me to what specifically I should be reading.

Situation: We have several 10+ year old Solaris systems, running either Solaris 8 or 10, that hold several mission-critical systems for business operation. These systems are rapidly dying and need to be migrated to a newer system. They are old systems that require very few resources to run, but are critical nonetheless.

So far: We have purchased four T5220 SPARC servers, with 8 cores and 64GB of RAM each. They have arrived, and I am ready to start building the "solution".

The intent: To be able to take system images of these old systems, virtualize them, and have them run on some type of high-availability cluster solution that will keep them operational, even if one (or possibly two) of the four physical T5220 servers failed.

Question: How should I do this? It seemed like a simple idea to start out with. My initial thoughts were to install Solaris 11 on each of the four servers, cluster them together with Oracle cluster, run a Hypervisor of some type as a cluster application (Oracle VM?) on top of the physical cluster, and then drop all of the virtual machines on top of that hypervisor. That way, the virtual machines should run uninterrupted if a cluster node fails.

Is this feasible? Possible? What is the right terminology here so I know what to be researching? I didn't think this would be so hard, but I can't even find a good white paper/document to read - they all seem to be focused to something other than what I'm looking for.

Any suggestions for how I should accomplish this or where I can go to find the information I'm looking for?

Thanks in advance for all your help.

-Lyxix

Lyxix

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cmrunnode

cmrunnode(1m)															     cmrunnode(1m)

NAME

       cmrunnode - run a node in a high availability cluster

SYNOPSIS

       cmrunnode [-v] [node_name...]  [-t | -w none]

DESCRIPTION

       cmrunnode  causes  a node to start its cluster daemon to join the existing cluster.  This command verifies the network configuration before
       causing the node to start its cluster daemon.

       To start a cluster on one of its nodes, a user must either be superuser(UID=0), or have an access policy of FULL_ADMIN allowed in the clus-
       ter configuration file. See access policy in cmquerycl(1m).

       Starting  a node will not cause any active packages to be moved to the new node.  However, if a package is DOWN, has its switching enabled,
       and is able to run on the new node, that package will automatically run there.

       If node_name is not specified, the cluster daemon will be started on the local node and will join the existing cluster.

   Options
       cmrunnode supports the following options:

	      -v   Verbose output will be displayed.

	      -t   Test only. Provide an assessment of the package placement without affecting the current state of the nodes or packages. The	-w
		   option is not required with the -t option as -t does not validate network connectivity, but assumes that all the nodes can meet
		   any external dependencies such as EMS resources, package subnets, and storage.

	      node_name...
		   Start the cluster daemon on the specified node(s).

	      -w none
		   By default network probing is performed to check that the network connectivity is the same as when the cluster was  configured.
		   Any	anomalies are reported before the cluster daemons are started. The -w none option disables this probing. The option should
		   only be used if this network configuration is known to be correct from a recent check.

RETURN VALUE

       cmrunnode returns the following value:

	       0   Successful completion.
	       1   Command failed.

EXAMPLES

       Run the cluster daemon on the current node:

	      cmrunnode

       Run the cluster daemons on node1 and node2:

	      cmrunnode node1 node2

AUTHOR

       cmrunnode was developed by HP.

SEE ALSO

       cmquerycl(1m), cmhaltcl(1m), cmhaltnode(1m), cmruncl(1m), cmviewcl(1m), cmeval(1m).

						      Requires Optional Serviceguard Software					     cmrunnode(1m)