Cluster on a chip.

When someone is talking about cluster (in it's common meaning) we see the picture of big machines with a lots of cables and storage attached. But can you imagine a cluster on a chip? No cables. Cluster Interconnect is on the chip. Moreother, it can be 1U server which you can put on the back seat of your car and take it to your customer for demo. So it will be “mobile 1U cluster on a chip”.


Here is an exercise for you to build mobile 1U cluster on a chip.


Input:

  • Sun Cluster as it now supports guest Logical Domains.

With the latest release of Ldoms 1.1 you can get extra HA features, just to name a few closely related to this exercise:

  • Virtual Switch Support for Link Aggregated Interface

  • Virtual Disk Multipathing and Failover

  • Network Virtual I/O Performance Enhancement


Tip: Since you will be limited by storage then put ZFS on single drive and use it as a back end for each node system disk, also use clone feature to setup multiple nodes.



Comments:

Is there any chance of Sun publishing an example of this kind of setup other than the very basic pictures in the existing cluster documentation ? I'm sure there would be a lot of pitfalls in combining so many complex technologies and a reference document or runbook would help in making this a more pleasant experience.

Posted by Jeroen on February 03, 2009 at 05:21 PM PST #

Hi Jeroen,
Sure, there will be documents describing details on how to configure such environment. But before making such documents public we need to complete software certification for LDoms with and without clustered environment. Although Solaris in LDoms is the same Solaris as without LDoms some ISV requires us to go though complete certification process. And it takes time.
Just stay tuned. I would recommend to monitor the following blogs at minimum: Sun Cluster, Alexandre Chartre and mine. All are mentioned on this post.

Posted by Roman Ivanov on February 04, 2009 at 05:03 PM PST #

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About

Roman (pomah) Ivanov, ISV Engineering. Tips how to run Oracle best on Sun. Performance monitoring and tuning for system administrators. OpenSolaris user experience.

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