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NAKIVO Backup & Replication v7.3

27 November 2017
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Reading Time: 2 minutesNAKIVO has just released the release of NAKIVO Backup & Replication: the new version 7.3 is now much friendly with enterprise-grade deduplication appliances such as EMC Data Domain, HP StoreOnce, NEC Hydrastor, Quantum DXi, and other similar appliances, when they are used as a backup target. There is a new special backup repository type with the special architecture optimized for working with deduplication devices. Thus, before backing up VM data to a deduplication appliance, you can choose to use this repository type, and your data will be backed up to the storage server at a great performance […]

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OVF deployment fails after upgrading vCenter 6.5

23 November 2017
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Reading Time: 2 minutesStarting with vSphere 6.5 you have some limitations with OVF format. For example you cannot export in OVA format anymore. Note that you can still import in OVF or OVA. But you may have also some issues in OVF import.

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Free vSphere 6.5 Host Resources Deep Dive book

15 November 2017
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Reading Time: 2 minutesOne of the best virtualization related book of 2017, in my opinion, is the VMware vSphere 6.5 Host Resources Deep Dive written by Frank Denneman and Niels Hagoort. It’s main target is for administrators, architects, consultants, aspiring VCDX-es and people eager to learn more about the elements that control the behavior of CPU, memory, storage and network resources. But the most valuable part, is that is not only update to vSphere 6.5, but also with new technologies, like new Xeon family, new type of disks, NVMe, …

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ESXi 6.5 host fails with PSOD

23 October 2017
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Reading Time: 3 minutesSeems that there are still some issues with vSphere 6.5, with a possible PSOD (Purple Screen Of the Death) after upgrade to 6.5U1 on ESXi hosts using 10 Gbps NICs. The VMware KB 2151749 describe this issue and explains that this occurs because Netqueue commit phase abruptly stop due to the failure of hardware activation of a Rx queue. As a result, Internal data-structure of the Netqueue layer’s could go out of sync with the device and cause PSOD.

VMware ,

Mastering VMware vSphere 6.5 book

19 October 2017
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Reading Time: 2 minutesOne of the reasons why my blog is starving in the last months is that I’ve started a huge personal project that consumes all my spare free time. This project is a book on VMware vSphere 6.5, really ambitious considering that will be a “Mastering” book, but the title and part of the content were not negotiable.

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Issues when VMware vSAN 6.6 is in multicast mode

9 October 2017
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Reading Time: 3 minutesVMware vSAN 6.6 works only in unicast mode, if you have upgrade all the disks to the last v5 format. But recently I’ve got a new cluster, build totally from scratch with latest version, that has switched to multicast mode, with the result of all hosts partitioned at network level.

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Download the legacy vSphere Client

4 October 2017
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Reading Time: 2 minutesThe legacy C# vSphere Client for Windows is no more available for vSphere 6.5 (see Bye bye vSphere Client, finally), put for previous vSphere version you can still use it. You can but maybe you shouldn’t, just because new features are in the vSphere Web Client and also because it’s not always friendly in error handling and message.

VMware
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