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Sep 18 2009   1:45PM GMT

Virtualizing Lotus Domino servers: Support concerns



Posted by: Eric Siebert
Eric Siebert, VMware, Lotus Domino

A reader recently sent me an email after reading some of my articles on SearchDomino.com on virtualizing Domino servers. He was wondering what IBM’s official stance is on virtualizing Domino servers in VMware.

Here’s the back story: He has a pretty nice existing VMware environment consisting of 18 version 3.5 hosts connected to a Cisco Fibre Channel fabric and EMC Clariion CX3-80 and CX4-480 storage arrays. Despite having a beefy, established VMware infrastructure, his organization is preparing to spend a good deal of money on new physical servers for a Domino upgrade to version 8.x. The reason for this is that the Domino administrators have told management that Lotus will not support a virtualized Domino environment. The person who wrote to me is trying to convince them to at least virtualize part of the Domino environment using their existing ESX hosts to save money. Continued »

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Jun 22 2009   6:13PM GMT

The key to successfully virtualized Domino servers



Posted by: Eric Siebert
Eric Siebert, VMware, ESX, Lotus Domino

Although there are several tech notes that suggest otherwise, most Lotus Domino workloads can be successfully virtualized. I thought I’d review some of the tech notes as they seem to be discouraging people from virtualizing Domino servers. Both of the notes I’ll review blame the virtualization layer as the cause of poor performance, but as Domino servers are resource intensive, the issue could very well have been improper architecture or the versions of Domino and vSphere. If you do virtualize Domino, make sure that the underlying architecture is sufficient and make sure to have the latest versions of Domino and vSphere, as the latest versions provide I/O and performance enhancements.

The first tech note, High CPU usage by router and poor performance of Domino under VMware, is about two years old. Here’s a summary of the problem, cause and solution. Continued »

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