
With ESXi 6.7 Quick boot process, hardware does not go through the normal process of reboot operations such as POST, firmware load, re-initialization of hardware resources, reload ACPI/SMBIOS tables etc… Quick Boot optimizes the reboot path to avoid this, saving considerable time from the upgrade process. A regular reboot involves a full power cycle that requires firmware and device initialization. Quick Boot is a vSphere feature that speeds up the upgrade process of an ESXi server. ESXi 6.7 Quick Boot What is ESXi 6.7 Quick Boot? To avoid the time-consuming device initialization and self-testing procedures, vSphere 6.7 released with the feature ESXi 6.7 Quick Boot. Complete hardware reboot is acceptable when we perform hardware firmware upgrade or other hardware related changes but rebooting entire hardware along with ESXi reboot during simple host patch or even during host upgrades is one of the time-consuming tasks. With the modern datacenter and high-end servers installed with GB’s & TB’s of memory took look time to initialize the hardware during ESXi host reboot.



