SDDC

VCF on VxRail 4.x – VXM-VC service account password reset

While applying the async vCenter 7.0U3o patch to workload domain (related to VMSA-2023-0023) in VCF on VxRail 4.x, I faced an issue with VxRail prechecks in SDDC Manager: ‘VxManager HTTP Request failed with invalid status code’ If you open the Physical View of VxRail cluster in vCenter, page keeps loading or it shows ‘Unable to […]

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VCF 5.0 – VCF bring-up with Ansible

This post describes how to perform VCF bringup via Ansible. If you need another VCF related ansible playbooks check rest of my blog posts in here. Backing to VCF bringup, my folder structure is as follow: startVcfBringup.yml playbook /roles/runVcfBringup/defaults/main.yml cloudBuilderRestApiSddcValidate – var for Cloud Builder API used for input specification validation. cloudBuilderRestApiSddcCreate: var for Cloud […]

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VCF 5.0 – how to disable the VMNICS_MIN_SPEED validation during bring-up process

If you want to disable the VMNICS_MIN_SPEED validation during bring-up in you VCF lab (because of error as below) you can just skip the validation process at all. 2023-10-20T16:23:20.023+0000 [bringup,11c0e70c474a8970,5431] DEBUG [c.v.e.s.c.v.util.ResponseUtil,pool-2-thread-19] Build validation response: {“errorCode”:”VMNICS_MIN_SPEED.error”,”arguments”:[“vmnic0″,”reg02-esx02.xxxx.xx”,”1000″],”context”:{“severity”:”ERROR”,”bundleName”:”com.vmware.evo.sddc.common.validation.errors.messages”,”validation.taskId”:”7f000001-8b4d-18c5-818b-4de5a780010f”},”message”:”The speed of vmnic0 on host reg02-esx02.xxxx.xxx is 1000 MB/s but must be at least 10 GB/s according to minimum hardware requirements“} […]

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vSAN – encryption, checksum and data reduction features in I/O flow

Let’s quick remind ourselves I/O flow and how do checksum calculation and disk encryption work in conjunction with deduplication and compression on vSAN All-Flash cluster while creating/modifying new vmdk. 1. Checksum – functionality to avoid data integrity issues – is calculated before writing data (the block) to the caching tier. vSAN created 5-byte checksum for […]

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Upgrading to VCF 4.3.1

Two weeks ago VCF 4.3.1 has been released and few hours later I had an opportunity to test upgrade procedure. In this post I will show you how to upgrade VCF software, NSX-T, vCenter, ESXi hosts and vRealize Suite components if you have vRealize Suite deployed in your environment. It’s a pretty straight forward process. […]

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