Browsing Posts tagged ESXi

Reading Time: 4 minutesVMware ESXi 8 has dropped the compatibility with a lot of old CPU models, as describiled in Broadcom’s article 318697 (CPU Support Deprecation and Discontinuation In vSphere Releases). The result if the following error message if you try to install ESXi 8 on a server with an unsupported CPU:

Reading Time: < 1 minuteStarting with ESXi 7.0 the partions layout has totally changed, compared to previous versions. And also the disk requirements have changed… you cannot install anymore on a very small disk (less than 4 GB) and the minimum required size is 32 GB. A big change, considering that before was possible install ESXi with less than 1 GB!

Reading Time: 3 minutesIn VMware ESXi, I/O filters can gain direct access to the virtual machine I/O path. The I/O filters are independent of the storage topology and is possible to enable the I/O filter for an individual virtual disk level. VMware offers certain categories of I/O filters, in addition, third-party vendors can create the I/O filters. Typically, they are distributed as packages that provide an installer to deploy the filter components on vCenter Server and ESXi host clusters.

Reading Time: 2 minutesAfter VMware acquisition, Broadcom has start to change VMware’s licensing tring to normalize and simplify it, but also tring to maximize the possible revenew. This not not so good for all customers. Also some offering has been dismissed, like the Free vSphere Hypervisor or the basic VMware vSphere Essential bundle. And there was a force shift from a perpetual to subscription model.

Reading Time: 5 minutesLa virtualizzazione di sistema (e nello specifico la virtualizzazione dei server) rimane fondamentale per numerose infrastrutture di data center, anche se qualcuno pensa che la virtualization non è più così importane, o persino che possa essere una commodity. Nelle soluzioni on-premise, VMware (by Broadcom) rimane ancora la soluzione principale con un’ampia adozione (oltre il 60% degli utenti utilizza VMware vSphere, secondo diversi analisti), ma dopo l’acquisizione di Broadcom e tutti i cambiamenti nel modello e nel prezzo di licenza, alcuni clienti stanno valutando qualche alternativa.

Reading Time: 2 minutesVMware vSphere 8.0.3 introduces several new features and also a new snapshot management. One of the issues of VM snapshots is that people forget to delete them: according to VMware snapshot management recommended practices you shoul NOT keep snapshots for more than 3 days (I suggest to don’t keep them for more than one day, because usually you have backups as other possible restore points).

Reading Time: 4 minutesIPv4 (Internet Protocol version 4) is a widely used protocol for network communication and is a core component of the TCP/IP stack. But it has some limits, one is the limit in terms of available addresses, expecially if we are talking about public IP. IPv6 (Internet Protocol version 6) was design to resolve all the limitation of IPv4. IPv6 is designated by the Internet Engineering Task Force (IETF) as the successor to IPv4 providing the following benefits:

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