Varrow Blogs

If you try to connect to a VM’s console from the VI Client and receive something similar to: Unable to connect to the MKS: Failed to connect to server esx4.mydomain.com:903 Almost every time you see this it’s DNS. So check that first. Refer to this KB article too. For me, I knew it wasn’t DNS [...]

Interesting little article came out yesterday about something I’ve been wondering for a while but haven’t had the resources to really test.  How cold do you really need to keep that data center?  I spend a good bit of time in different data centers and some are like a meat locker.  I always question the [...]

We’ve been working with the Nexus 5Ks a good bit lately and they are just cool, no two ways about it.  One really nice feature that the Nexus 5000 and 7000 support is vPC, or virtual port-channels.  Take note that support for vPC is new on the 5K and you’ll need at least version 4.1(3)N1(1) [...]

Intel released the Nehalem server CPUs in March of this year.  The desktop chips based around the Core i7 architecture were released late last year.  So now that the CPUs have been out for a few months we’re starting to see them gain a lot of traction in the data center.  No surprise there.  New [...]