January 15, 2018 Vignesh Sathiyanantham

Today’s developers and organizations are migrating large, monolithic legacy applications to microservice-based architectures to improve scalability and developer velocity. However, these benefits come at a cost, namely integration complexity. Additionally, developers still often interact directly with the infrastructure, whether it be virtual machines (VMs) or containers via Kubernetes or another container orchestrator. Serverless is the next evolution of application and system design and deployment. Serverless applications are built upon functions—small code artifacts, which are compact and specific to a discrete task. Serverless doesnt means servers are no more required to run workloads, it simply means that developers no longer has…

September 8, 2015 Vignesh Sathiyanantham 2Comment

Recently My client have been having some issues with the vSphere web client plugins, they were getting #1009 error often Initially i googled and try to find the solution and root cause, many blogs are suggesting disable the installed plugins and try again. Later i read somewhere ( forget the link) , clearing cache would help This issue is because of the cached objects and it happened when you are navigating through the inventory in the vSphere 6.0, usually this error message pops up, you have to refresh your full web page Error 1009, click yes…

August 8, 2015 Vignesh Sathiyanantham

I’ve been developing an automation scripts to provision and expand VMFS Datastore. Expand not Extent… I increased the storage volume size and need to increase the size of VMFS datastore without affording the downtime Here is the VIjava / YAVI Java code for expanding the datastore   https://gist.github.com/cd02090562b8cf2ee0e3   [amazon_link asins=’B002SSBD8A’ template=’ProductLink’ store=’asvignesh-21′ marketplace=’IN’ link_id=’2f839008-c0c9-11e7-a460-f1aec9ea1733′]

February 3, 2014 Vignesh Sathiyanantham

There are two ways to enable / diable VAAI plugin, One via command line and one via vSphere Client UI Using command line Login to ESXi using putty / terminal Use “esxcfg-advcfg” command to manage your VAAI settings  To Check the Status esxcfg-advcfg -g (returnvalue 1 = enabled) ~ # esxcfg-advcfg -g /DataMover/HardwareAcceleratedMove Value of HardwareAcceleratedMove is 1 ~ # esxcfg-advcfg -g /DataMover/HardwareAcceleratedInit Value of HardwareAcceleratedInit is 1  To disable VAAI ~ # esxcfg-advcfg -s 0 /DataMover/HardwareAcceleratedInit Value of HardwareAcceleratedInit is 0 ~ # esxcfg-advcfg -s 0 /DataMover/HardwareAcceleratedMove Value of HardwareAcceleratedMove is 0 To enable VAAI ~ # esxcfg-advcfg -s…

February 3, 2014 Vignesh Sathiyanantham 2Comment

VAAI vStorage API for Array Integration (VAAI) is a technology that VMware makes available for storage vendors to offload the storage operation like cloning , space reservation from the ESX CPU to the storage array. What is VAAI? VMware vStorage APIs Integration (VAAI) is a set of APIs provided by VMware that allows the ESXi hosts to offload data processing of certain storage-related services like full file cloning, extended statistic and space reservation to storage array Host. Benefits of VAAI NAS: The integration of Storage array with VMware VAAI-NAS offers datacenter administrators deploy a VMware virtualized environment with optimized performance….