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LLDP issues with DVS and Dell switches

3 Ottobre 2017 Andrea Mauro

Reading Time: 3 minutes

The Link Layer Discovery Protocol (LLDP) is a vendor-neutral link layer protocol used by network devices for advertising their identity, capabilities, and neighbors on an IEEE 802 local area network, usually with Ethernet standard. Compared to Cisco Discovery Protocol (CDP) it’s not proprietary and can be used from different vendors.

VMware vSphere adds LLDP capability in the Distribuited Virtual Switches (DVS). CDP it’s also available both in DVS, but also in standard virtual switches (by default it’s enabled in listen mode).

DellTechnologies, VMware ESXi

Issue during PSC 6.5 deployment

2 Ottobre 2017 Andrea Mauro

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Reading Time: 2 minutes

If you choose to install the vCSA 6.5 in two different components, you may have an error during the PSC custominization (happens also on latest 6.5U1):

An error occurred while starting service ‘pschealth’

This it’s related to a failure of identity management service error on first boot, so during the phase 2 of the deployment where the appliance has already been upload, but still must be configured.

VMware Outdated, vCenter

VMware vCloud Director 9.0

30 Settembre 2017 Andrea Mauro

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VMware has released a new version of vCloud Director: this is a major release with version number 9.0. All related documentation has now been moved to VMware Docs website: https://docs.vmware.com/en/vCloud-Director/index.html.

So vCloud Director is still alive and still the first (and actually only) choice, using VMware products, for service providers. Actually vRA is not yet able to replace it in this special use case.

VMware Cloud, Outdated

VMware Workstation 14 e VMware Fusion 10

29 Settembre 2017 Andrea Mauro

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Reading Time: 2 minutes

Dopo un periodo in technical preview period e dopo l’annuncio ufficiale, ora sia VMware Workstation 14 che Fusion 10 sono disponibili per il download.

Buona notizia, visto che solo un anno fa si temeva sul futuro di questi prodotti a causa di alcune dipartite nei rispettivi team di sviluppo di prodotto.

Prodotti, VMware EUC

Nested virtualization on Google Compute Engine

28 Settembre 2017 Andrea Mauro

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Seems that nested virtualization is becoming popular on public cloud: first with Ravello, this year also on Azure, and now Google Compute Engine supports nested virtualization in beta.

This feature allows you to run one or more virtual machines inside a Compute Engine Linux virtual machine by leveraging Intel VT-x, processor virtualization instructions, to deliver better performance than what’s possible with alternative technologies like emulation.

vProducts Cloud

Livello di compatibilità di un cluster VMware

26 Settembre 2017 Andrea Mauro

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In un’infrastruttura basata su VMware vSphere il concetto di compatibilità si applica normalmente alle macchine virtuali in relazione a quale versione minima di vSphere richiedono per il loro funzionamento.

Il livello è definito dalla versione di virtual hardware (che dal punto di vista numerico segue le numerazioni di VMware Workstation): quando si crea una nuova macchina virtuale il livello di default dipende da diversi fattori, quali la versione di vSphere utilizzata, il tipo di client (ad esempio il vecchio vSphere Client per Windows non chiede la versione, nel wizard di default), ma anche da come è stato configurato il cluster.

Usando il vSphere Web Client (quello basato su Flash) o il nuovo vSphere Client in HTML5 è possibile specificare la versione di default.

VMware ESXi

My experience with vSAN 2017 Specialist exam

15 Settembre 2017 Andrea Mauro

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Reading Time: 4 minutes

During the last VMworld EU, on Monday I’ve tried the new VMware vSAN 2017 Specialist exam, just to see how difficult was and which kind of contents where covered by the exam.

This specialist exam it’s something outside the traditional VMware certification paths, but it’s classified in the Certification Related Badges that includes different types of accreditations:

vCertification vSAN

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LLDP issues with DVS and Dell switches

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VMware Workstation 14 e VMware Fusion 10

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My experience with vSAN 2017 Specialist exam

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