Tag Archives: Storage

ESXi 6.5 FCoE Adapters Missing

After installing or upgrading to ESXi 6.5 FCoE adapters and datastores are missing. In this case the hardware in use is a HP ProLiant BL460c Gen9 server with HP FlexFabric 10Gb 2-port 536FLB adapters, although this seems to have been a problem for other vendors (see here) and versions too. This issue should be resolved […]

Nimble CASL Architecture

Nimble arrays use the unique, CPU driven, Cache Accelerated Sequential Layout (CASL) storage architecture to deliver performance benefits. Let’s break down how this works for read and write operations. Write Operations Each controller has built in NVRAM (Non-Volative Random Access Memory). NVRAM retains its information when the array loses power. Initiators connected to the storage […]

VMware vSAN 6.5 Install Guide

VMware vSAN is an enterprise class, high performance, shared storage solution for Hyper-Converged Infrastructure. vSAN utilises server attached flash devices and local hard disk drives to create a highly resilient shared datastore across hosts in a vSphere cluster. To achieve high availability VMware administrators previously needed to connect to a SAN, NAS or DAS device, […]

EMC VNXe Setup Guide

The VNXe is the most affordable hybrid and all-flash array across the EMC product range. Although the future potentially sits with the newly released Unity line, the VNXe remains a popular, flexible, and efficient storage solution for SMBs and ROBOs. This post will walk through the setup of an EMC VNXe device. Architecture The VNXe […]

Configuring VVOLs with EMC Unity

This post will walk through the setup of VMware VVOLs with EMC Unity. If you are unfamiliar with the concept of Virtual Volumes then see this KB. You can read more about the EMC Unity physical array by reviewing the EMC Unity Setup Guide, or the Unity Virtual Appliance by reviewing the Deploying EMC Unity VSA […]

EMC Unity Configuration Guide

Following on from the EMC Unity Setup Guide this post will walk through the configuration of an EMC Unity array with iSCSI connectivity using the management web interface. Before beginning, ensure your Unity device is up to date by following the EMC Unity Update Guide. The EMC Unity is also available as a Virtual Storage […]

Upgrading EMC Unity OE

The EMC Unity features an active/active controller configuration designed to allow for non-disruptive software updates. However, it is still best practise to mitigate the risk by performing software updates out of core business hours. In this post we will quickly run through an Operating Environment (OE) upgrade for a newly commissioned Unity 300 array; which […]