Book Review – “Mastering VMware vSphere Storage”

For a book titled “Master VMware vSphere Storage,” about 1/3 of the book is spent discussing other topics. Storage does not get directly discussed until 88 pages in and begins by discussing storage APIs. I can understand giving a brief overview of vSphere but a majority of the review should be focused on the storage … Continue reading Book Review – “Mastering VMware vSphere Storage”

Standard vSwitch Port Scale

Reading through the documentation for vSphere 5.5 something caught my eye…thought I’d share: “For hosts running ESXi 5.1 and earlier, you can configure the number of ports that are available on a standard switch as the requirements of your environment change. Each virtual switch on hosts running ESXi 5.1 and earlier provides a finite number of ports … Continue reading Standard vSwitch Port Scale

Transparent Page Sharing (TPS) Changes

Quick review of TPS: Transparent Page Sharing allows pages that are identical to be stored in same place. When there is idle CPU time, vSphere looks for pages located across virtual machines that can be matched with one another and shared in physical RAM.  This is basically a deduplication method applied to RAM rather than storage. … Continue reading Transparent Page Sharing (TPS) Changes