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How to Clean VMware vCenter Logs and Fix Storage Full Issues (Step-by-Step Guide)

Introduction If your VMware vCenter Server is running out of disk space, especially under /storage/log or /storage/archive , it can impact performance and even stop critical services. In this guide, I’ll walk you through a real-time troubleshooting approach to identify large log files and safely clean them. Step 1: Access vCenter Appliance Shell Login using SSH: login as: administrator@vsphere.local Command> shell Switch to root: sudo -i Step 2: Unlock or Reset Root Account (if needed) /usr/sbin/faillock --user root --reset passwd Step 3: Identify Large Log Files Navigate to log directory: cd /storage/log Find top large files: find . -type f -print0 | xargs -0 du -h | sort -rh | head -n 10 👉 Example output from your system: 1.5G log bundle Multiple 100MB threadmonitor logs Step 4: Remove Unnecessary Large Files Delete large old log bundle: rm vc-localhost-*.tgz Re-check: du -xh -d 1 | sort -rh Step 5: Identify Log Growth Directories find ./ -type d -exec sh -c 'echo -n "{...
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“Azure Site Recovery Migration: Troubleshooting Errors During Classic to Modern Transition”

  Classic to Modern Azure Site Recovery Migration: Deployment Experience and Key Challenges Migrating from Classic Azure Site Recovery (ASR) to the Modern ASR Appliance architecture introduces several operational differences. During a recent migration, we encountered practical deployment challenges that are worth documenting for others performing similar transitions. OVF Deployment – Unexpected Boot Delay The Modern ASR Appliance was downloaded as an OVF template and deployed into the VMware vCenter environment. Deployment itself was straightforward: • Import OVF • Assign network configuration • Complete virtual hardware mapping However, an unexpected issue arose during the first power-on. The virtual machine took approximately: 30 to 40 minutes to boot This behaviour initially suggested: • Resource bottleneck • OVF corruption • Guest OS issue After reviewing multiple technical forums and blogs, a useful recommendation emerged: Power on the appliance directly from the ESXi host in...
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