𝐕𝐌𝐰𝐚𝐫𝐞 𝐯𝐌𝐨𝐭𝐢𝐨𝐧: 𝐀𝐫𝐜𝐡𝐢𝐭𝐞𝐜𝐭𝐮𝐫𝐞, 𝐓𝐲𝐩𝐞𝐬, & 𝐑𝐞𝐚𝐥-𝐖𝐨𝐫𝐥𝐝 𝐔𝐬𝐞 𝐂𝐚𝐬𝐞𝐬-

 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 • Compatible CPUs • vMotion supported license 🔹 Network Requirements • vMotion VMkernel port enabled on both hosts • Same vMotion VLAN • Low-latency network 🔹 Storage Requirements • Shared datastore (for Compute vMotion) • OR different datastores (for Storage vMotion) 🔄𝐓𝐲𝐩𝐞𝐬 𝐨𝐟 𝐯𝐌𝐨𝐭𝐢𝐨𝐧 𝐢𝐧 𝐕𝐌𝐰𝐚𝐫𝐞 1️⃣ 𝐂𝐨𝐦𝐩𝐮𝐭𝐞 𝐯𝐌𝐨𝐭𝐢𝐨𝐧 Compute vMotion is used when you want to move a running virtual machine from one ESXi host to another, but you do not want to move its storage. • The VM stays powered ON during migration • Only CPU, memory, and VM execution state are moved • The VM disk remains on the same shared datastore • Users continue working without any interruption 2️⃣ 𝐒𝐭𝐨𝐫𝐚𝐠𝐞 𝐯𝐌𝐨𝐭𝐢𝐨𝐧 Storage vMotion is used when you want to move a VM’s disk files from one datastore to another, while the VM continues running on the same ESXi host. • VM remains powered ON • Only storage (VMDK files) is moved • Host does not change • No downtime for applications 3️⃣ 𝐒𝐡𝐚𝐫𝐞𝐝-𝐍𝐨𝐭𝐡𝐢𝐧𝐠 𝐯𝐌𝐨𝐭𝐢𝐨𝐧 Shared-Nothing vMotion is used when there is no shared storage between ESXi hosts. • VM compute (CPU & memory) is moved • VM storage is also copied to the destination host • VM stays powered ON • No shared datastore is required 4️⃣ 𝐂𝐫𝐨𝐬𝐬 𝐯𝐂𝐞𝐧𝐭𝐞𝐫 𝐯𝐌𝐨𝐭𝐢𝐨𝐧 Cross vCenter vMotion is used when you want to move a running VM between two different vCenter Servers. • VM remains powered ON • VM moves across vCenters • Storage and network can also change • No service interruption 🏢 𝐑𝐞𝐚𝐥-𝐓𝐢𝐦𝐞 𝐄𝐱𝐚𝐦𝐩𝐥𝐞 🔹 Scenario: Production Server Maintenance Company has 3 ESXi hosts A production VM is running on Host-1 Host-1 needs patching 👉 Without vMotion: ‑ VM must be powered off ‑ Business downtime 👉 With vMotion: ‑ Admin initiates vMotion ‑ VM moves live from Host-1 → Host-2 ‑ Users continue working ‑ Host-1 is patched safely ✔️ Zero downtime ✔️ Zero user impact