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Reading Time: 3 minutesIn a vSphere upgrade process, there are two different approach for the host upgrade: a fresh re-install or a in-line upgrade. In the VMware site there is an interesting post about this choice. The differences between an upgraded host and a freshly installed host are:

Reading Time: 3 minutesThe new major release of Citrix’s hypervisor was released on Sep, 30 2011 (XenServer 6.0 is here! ). For more info see also the Release Notes for Citrix XenServer 6.0. Architectural Changes: The Boston release is based on the open-source Xen 4.1 hypervisor.   XenServer is another commercial product to ship with the Xen 4 hypervisor.  For those of you who like to follow the open source world, Oracle VM 3 launched a few weeks ago, and is based on the Xen 4 hypervisor.  Ubuntu Server 11.10 will soon follow with support for Xen 4, and […]

Reading Time: 2 minutesSome days ago Red Hat has announced the availability of its Red Hat Enterprise Virtualization (RHEV) 3.0 public beta. The first beta of RHEV 3.0 was announced in August, but was not available to the general public. You needed to have an active RHEV subscription at that time. The evaluation is immediately available to anyone with a Red Hat Network account. About the new features and the improvements there is a specific page on RedHat site. Red Hat Enterprise Virtualization 3.0 includes updates such as: Red Hat Enterprise Virtualization Manager is now a Java application […]

Reading Time: 2 minutesSome days ago, VKernel has release a post (Hyper-V 3.0: Closing the Gap With vSphere 5) that compare the new Hyper-V 3.0 with the existing vSphere 5.0. I don’t know if the post was written before of after the Quest acquisition, but it doesn’t matter: it’s a comparison of two products not homogeneous, because will be released probably next year and and one was released on August of this year. But the data can still be used to see how Microsoft is working to reduce and close the gap with VMware, at least on the […]

Reading Time: 2 minutesTo close the series of post on the vSphere upgrade path to version 5 I will make a few final considerations: As written several time, check the hardware and software HCL before start the migration. The HCL may change from the beta release (where, for example, there was’t any SQL Express 2005 support) but also from one week to another (for example, some weeks the Dell PoverVault MD3x00/MD3x00i were not yet included). Actually most additional software are already compliant with vSphere, or with new version (like View 5) or with simple patch. Remember that vSphere […]

Reading Time: 3 minutesWhen the vSphere infrastructure is upgraded, than also the backup part needs a check (and maybe a refresh). But, in order to avoid big issue, is better check it also before the entire upgrade, just to be sure that all remain supported. I also suggest to use this as a potential review of the the entire backup policies to find how to improve them and/or how to use different solutions (not necessary different products). About the backup programs, most of them could still work with vSphere, because the vStorage APIs for Data Protection (VADP) are […]

Reading Time: 3 minutesThe storage part of a vSphere 5 upgrade path has two different steps: a firmware upgrade, that may be needed before start the vSphere upgrade (see the hardware part) and a modules/plugins/utilities upgrade, that is applied after the vSphere upgrade. In my case, for an EqualLogic array, the minimum firmware version compatible with ESXi 5 is the 4.3 release (but I’ve tried also with a firmware 4.0.6 and it works), but you will need at least the 5.0 series in order to support VAAI and VASA (see vStorage API). New firmware works also with vSphere […]

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