Browsing Posts tagged ESXi

Reading Time: 5 minutesThe VMware ESXi partitions layout on the system disk has remained almost the same for several years. VMware ESXi 6.x partitions layout was the same from previous 5.x versions and there ware only some exceptions with bigger disks (with two different diagnostic partitions. Starting with ESXi 7.0 the partions layout is now totally changed.

Reading Time: 4 minutesOne important concept of virtual networking is that the virtual network adapter (vNIC) speed it’s just a “soft” limit used to provide a common model comparable with the physical world. The real limit depends by several aspects, included the hpyervisor, the CPU speed, the available RAM and (for external comunication) also by the physical NIC speed. For this reason, the Intel e1000 and e1000e vNIC can reach a real bandwidth bigger than the canonical 1 Gpbs link speed. But what about the vmxnet3 vNIC that can advertise also the 10 Gpbs link speed. What is […]

Reading Time: 3 minutesQualche giorno fa, VMware ha aggiornato la sua licenza per socket che diventerà effettiva a partire dal 2 Aprile 2020 (data curiosa, che, a parte evitare la possibilità di essere presa come un pesce di aprile, magari nasconde la data di rilascio della prossima versione di vSphere?). Ci sono cambiamenti significativi e si passa da una semplice licenza per socket (ossia l’intero processore fisico) ad una licenza più articolata che conta fino a 32 core per socket… con più core sarà necessario acquistare più licenze VMware.

Reading Time: 4 minutesTrusted platform module (TPM) is a hardware, designed to securely store information such as crendential or measurements. TPM 2.0 is supported on all 13 th generation and 14 th generation Dell EMC PowerEdge servers including the latest AMD servers. Note that is not enabled by default. TPM 2.0 is enabled and supported with VMware vSphere 6.7 releases. ESXi 6.7 introduced the “Host Attestation” feature using which the validation of boot process can be reported to vCenter dashboard.

Reading Time: 2 minutesIt’s not a secret that there is a VMware ESXi for ARM porting, not yet public available (maybe with next major release), that can also run on Raspberry Pi platform! Announced during the VMworld US 2018, this version is not a general purpose hypervisor, also because the VMs need to run OSes and application ported to the ARM platform.

Reading Time: 18 minutesIntel® Optane™ Technology for Data Centers are a revolutionary solutions to bridge critical gaps in the storage and memory hierarchy delivering persistent memory, large memory pools, fast caching and fast storage. Basically there are two main Intel® Optane™ DC products: Intel® Optane™ DC persistent memory  Intel® Optane™ DC SSDs

Reading Time: 4 minutesBuild a VMware lab is usually tricky because you have to find the proper balance between the physical and the virtual infrastructure. Most people does not have huge or powerful physical servers, or does not have the proper environment (considering the power consumption, the generated heat, the noise, or also the needed space), and they opt for small and cheap systems.

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