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Esxi log analyser
The ESXi Universal Log Analyzer is a professional Python-based tool that automatically parses and analyzes ESXi log files to identify storage issues, hardware problems, and…
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Troubleshooting vimService Creation Failed 403 in vCenter
The error vimservice creation failed: error forbidden 403 during vSphere/vCenter operations typically indicates that the client cannot establish a VIM (vSphere API) session because of HTTP 403…
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VMKPing “Invalid Argument” While Testing vMotion Network
When testing vMotion network connectivity from an ESXi host, vmkping can return Unknown interface ‘vmkX’: Invalid argument even though the VMkernel adapter exists and works for vMotion.…
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ESXi NFSv4 Error Decoder & Log Analyzer
NFSv4 failures in ESXi appear as NFS4ERR_* codes, lockd/portmap conflicts, and RPC timeouts in vmkernel.log. This script suite extracts all NFSv4 errors with detailed explanations,…
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ESXi SCSI Decoder & VMkernel Log Analyzer
VMkernel logs contain SCSI sense codes, path states, and HBA errors in hex format that decode storage failures like LUN timeouts, reservation conflicts, and path…
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VMware Storage Performance Testing Suite
ESXi hosts provide fio, ioping, and esxtop for storage benchmarking directly from CLI, while vCenter PowerCLI aggregates performance across clusters/datastores. This script suite generates IOPS, latency, and throughput charts…
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Basic PS scripts for VMware Admin
VMware admins rely on PowerCLI, esxcli one-liners, and Python scripts for daily tasks like health checks, VM migrations, and storage monitoring to save hours of…
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NFS APD on ESXi – End‑to‑End Troubleshooting Guide
What APD Means for NFS Datastores For NFS, an APD essentially means the ESXi host has lost communication on the TCP connection to the NFS…
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