Category: Infrastructure

Crash Test – What happen when you loose L1&L2 on an UCSM Cluster?

L1 & L2, What’s it? The L1 & L2 links are dedicated physical ports (GbE) on UCS Fabric Interconnect platform, responsible of carrying the heartbeat traffic for the UCSM cluster. To be clear, both links are crucial to the survival of the cluster!

Posted in Design, Infrastructure Tagged with: , , : Updating an UCS system – from FI to OS drivers

Update October 27th 2015 At the time writing this article, I mentioned my experience on upgrading from version 2.2(3a), and the unexpected reboots of “some” blades. It turns this bug have been identified and is fixed since 2.2(3g). I forgot to update this article as promised : thanks

Posted in Infrastructure Tagged with: , , , , ,

VMware don’t play nice with CoD. For now. Me neither …

No, I am not going to talk about Call of Duty. At least not today, not on this blog post, even maybe not during this life … 🙂 So what’s CoD and what the hell this have to do with

Posted in Infrastructure Tagged with: , , , ,