Essay – SQL to NoSQL Denormalization and Migration

Im Rahmen des Modules «Einführung in Data Science» an der Fernfachhochschule Schweiz (FFHS) werden vier Essays verfasst in welchem die erarbeiteten Kenntnisse miteinfliessen. In diesem zweiten Essay geht es um die Migration einer relationalen Datenbank zu einer demoralisierten Datenbank des Typs NoSQL (Not only SQL). Abstract Um die Parallelisierung von Abfragen bzw. die die horizontale… Continue reading Essay – SQL to NoSQL Denormalization and Migration

Essay – DataScience, der Stellenwert der verschiedenen Anwendungsstufen

Im Rahmen des Modules «Einführung in Data Science» an der Fernfachhochschule Schweiz (FFHS) werden vier Essays verfasst in welchem die erarbeiteten Kenntnisse miteinfliessen. In diesem ersten Essay geht es hauptsächlich um die Grundlagen wie Data Science, nachfolgend auch DS genannt, einzuordnen ist, welche mögliche Entwicklungen und Einflüsse sie in unserem beruflichen sowie auch privaten Umfeld… Continue reading Essay – DataScience, der Stellenwert der verschiedenen Anwendungsstufen

vmnic128 with new Cisco nenic driver + AutoDeploy

Following problems I was facing during the upgrade of vSphere 6.0 to 6.5 with Auto Deploy.vCenter and it’s Auto Deploy services were upgraded properly and a new image of ESXi 6.5 with Cisco’s nenic 1.0.6 driver build. Cisco changed their support between the versions 6.0 and 6.5 from enic to nenic.In combination with Auto Deploy… Continue reading vmnic128 with new Cisco nenic driver + AutoDeploy

VCSA 6.5u1 Migration from 6.0u1 fails with vmware-eam

During the migration of vSphere 6.0 vCenter Server based on Windows to a vCenter Server Appliance 6.5 you may facing issues with EAM and certificate.Following was logged: Error: 2018-01-30T16:05:30.651Z | ERROR | main | VcConnection.java | 648 | Error communicating with the vCenter server.com.vmware.vim.vmomi.client.exception.SslException: com.vmware.vim.vmomi.core.exception.CertificateValidationException:Server certificate chain not verified at … Two actions were performed… Continue reading VCSA 6.5u1 Migration from 6.0u1 fails with vmware-eam

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vRealize Automation EBS Lifecycle States & Events

I tried to visualize in a diagram the vRealize Automation Event Brocker System. More exactly for the Lifecycle States and Events triggered during a Machine Provisioning with Provisioning Workflows: Clone Workflow BasicVMWorkflow VMPSMasterWorkflow32 You can download this diagram here: https://i1.wp.com/vbounty.com/wp-content/uploads/2018/10/vRA-States-Events.drawIo_v1.1.png This diagram was created based on the information in the documentation of vRA 7.5https://docs.vmware.com/en/vRealize-Automation/7.5/vrealize-automation-75-extensibility.pdf

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