With VMware’s announcement of vSphere 6.0, we’ve had a lot of new topics to write about. I’ll be focusing this post on VMware interpretations and implementation of software-defined storage and on the enhancements of VMware Virtual SAN 6.0 in particular. VMware’s strategy is to push for change by driving transformation through the hypervisor until we …
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Six Features You Absolutely Need on Your Storage in 2015
It’s 2015, but you would think it was 1995 based on what we’re still using in our data centers for enterprise storage. We still have gobs and gobs of spinning disks, sucking power and boring us to death while they find our data. Convergence is largely unconverged—we still have separate Fibre Channel and IP data …
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Dell Fluid Cache for SAN
Back in mid-2011, Dell acquired RNA Networks, a small startup out of Portland, Oregon. At the time Dell purchased it, RNA had a product, MVX, that employed three different ways to pool memory across multiple servers in order to accelerate workloads. One was a way to pool memory as a storage cache in order to …
Troubleshooting from the Trenches
This day seem to start like any other but it seems like as soon as I was logged in to start my day issues arose. It seems like I lost one of my VMware 3.5 ESX servers and all the virtual machines on the host were knocked offline. This should not have been a big deal since HA was enabled but, Murphy has a way of making life really interesting. So as I logged into the vCenter client I noticed that the host in question was in a disconnected state and all the virtual machines showed up as disconnect. In past experiences I have seen HA, during a host failure, recover the virtual machines in under five minutes. So I waited and waited thinking HA should have kicked in by now. Time for a little further investigation!!