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  𝐕𝐌𝐰𝐚𝐫𝐞 𝐯𝐌𝐨𝐭𝐢𝐨𝐧: 𝐀𝐫𝐜𝐡𝐢𝐭𝐞𝐜𝐭𝐮𝐫𝐞, 𝐓𝐲𝐩𝐞𝐬, & 𝐑𝐞𝐚𝐥-𝐖𝐨𝐫𝐥𝐝 𝐔𝐬𝐞 𝐂𝐚𝐬𝐞𝐬- ------------------------------------------------------------------------ VMware vMotion is a VMware feature that allows a running virtual machine (VM) to move from one ESXi host to another with zero downtime. ⚙️ 𝐇𝐨𝐰 𝐃𝐨𝐞𝐬 𝐯𝐌𝐨𝐭𝐢𝐨𝐧 𝐖𝐨𝐫𝐤? vMotion works by copying VM memory and state from the source host to the destination host while the VM is still running. 𝐒𝐭𝐞𝐩-𝐛𝐲-𝐬𝐭𝐞𝐩 𝐟𝐥𝐨𝐰: ⁎ vCenter initiates migration ⁎ VM memory is copied to the destination host ⁎ Changed memory pages are tracked and re-copied ⁎ VM execution switches to the destination host ⁎ Source host releases the VM ✔️ The entire process happens in milliseconds. ✅𝐯𝐌𝐨𝐭𝐢𝐨𝐧 𝐏𝐫𝐞𝐫𝐞𝐪𝐮𝐢𝐬𝐢𝐭𝐞𝐬 Before using vMotion, these must be configured: 🔹 Infrastructure Requirements • Both hosts must be managed by VMware vCenter Server • Hosts must be in the same vCenter ...

  course as: P – Problem, N – Notify, O – Observe, M – Mitigate, A – Acknowledge [koenig-solutions.com] 🔧 PNOMA Troubleshooting Steps (vSAN Framework) Below is a well‑structured explanation of each phase: 1. Problem Identify and define the issue clearly. Determine what is actually broken: performance degradation, object failures, host issues, network faults, etc. Collect initial symptoms from logs, alerts (vSAN Skyline Health, vSphere alarms), and user reports. [koenig-solutions.com] 2. Notify Communicate the issue to relevant stakeholders. Notify team members, administrators, or impacted service/application owners. Ensure proper logging or ticket creation so the issue is tracked formally. [koenig-solutions.com] 3. Observe Gather detailed diagnostic information. Use vSAN’s GUI & CLI troubleshooting tools (Skyline Health, vSphere Client, performance charts, CLI commands). Validate network health, disk group status, object health, and cluster performance metrics. Observe trends...