Skip to main content

Clustering Solaris with SunCluster 3.2 on VMware ESX 3.x




We have been building and even doing our performance/benchmarks tests on the ESX 3.x and Oracle RAC. And Sun folks too want to demo their cool software on ESX.

However, VMware ESX has a feature called Raw Device Mapping (RDM), which allows the guest operating systems to have direct access to the devices, bypassing the VMware layer. More information on RDM can be found in VMware documentation. The following documents could be starting points:

http://www.vmware.com/pdf/vi3_301_201_intro_vi.pdf

http://www.vmware.com/pdf/vi3_301_201_san_cfg.pdf

RDM works with either Fibre Channel or iSCSI only. In the setup here, a SAN storage box connected through Fibre Channel was used for mapping LUNS to the physical hosts. These LUNS could then be mapped onto the VMware guests using RDM. SCSI reservations have been found to be working fine with RDM (both SCSI-2 Reserve/Release and SCSI-3). These RDM devices could therefore be used as shared devices between the cluster nodes. However, of course they can also serve as local devices for a node.

One point to note here is that the virtual SCSI controllers for the guest OSes need to be different for the local and the shared disks. This is a VMware requirement when sharing disks. Also the compatibility mode for RDM, to allow direct access to the storage from the guest, should be “Physical”. For detailed information, please refer to VMware ESX documentation.





Decent article, check it out.

Comments

Popular posts from this blog

DeepLearningTrucker Part 1

Avastu Blog is migrating to IdeationCloud.com; 1st Jan 2009 live

YOU DON'T HAVE TO DO ANYTHING. WITHIN 2 SECONDS YOU WILL BE REDIRECTED TO THE NEW HOME OF AVASTU BLOG. PLEASE DO UPDATE AVASTU BLOG'S URL to : http://www.ideationcloud.com on your website.

I will send out emails personally to those who are using my link(s) on their sites.

Thanks much for your co-operation and hope you enjoy the new site and its cool new features :-)




Not like the site is unlive or something..on the contrary, its beginning to get a lot of attention already. Well most of the work is done, you don't have to worry about anything though:

What won't change

Links/Referrals: I will be redirecting the links (all links which you may have cross-posted) to IdeationCloud.com - so you don't have to do anything in all your posts and links. Although, I would urge however that you do change the permalinks, especially on your blogs etc yourselfThis blog is not going away anywhere but within a few months, I will consider discontinuing its usage. I won't obviously do …

Redhot Future Of IT Part I :Marketing yourself as IT professional

I had promised about the "RedHot IT Future Series" and so we discuss here how you should market yourself EFFECTIVELY as an IT professional in this new (and dangerous) web age! Web is the place where you're a hero today and villain tomorrow. While there are lots of professionals who are active on the web, not all are enjoying a good reputation as they got "personal" with others and got into a cockfight. The passive IT professional has nothing to lose but nothing to gain at all!

I know "marketing" might seem as a greasy term but the idea is to have the truth about you out there. You know you're a good person and your family knows that you're really smart person but the rest of the world doesn't!

So the question is how do I market myself on the web as a true "nouveau IT professional". A guy who companies will be tempted to pick up the phone as say "Hey, we wanna talk with you. Can you fly over to Palo Alto (or Guatemala or Johan…