The VMWare ESX and ESXi hypervisors are bare-metal, which means they may be utilized without an operating system.
The ESX is the oldest of the two and so has more developed technology than the ESXi.
The most notable distinction between the ESX and ESXi is the absence of the Linux kernel in the ESXi.
Although the VMWare ESX does not need an operating system, it still uses a Linux kernel, which is launched alongside ESX along with a few additional features.
The removal of the Linux kernel has a significant effect on several of the VMWare ESXi’s characteristics.
It decreased the software’s on-disk footprint from the hefty 2GB of the ESX to the minuscule 32MB of the ESXi.
Because of the ESXi’s substantially lower footprint, companies like Dell sometimes offer it packed and integrated into their hardware through flash chips.
This is made more difficult by the heavy size of the VMWare ESX.
The ESXi also outperforms the ESX, since its reduced footprint allows for quicker loading times and overall performance.
The elimination of the Linux kernel minimizes the number of fixes required by the server.
Because the majority of the fixes that must be applied deal with the underlying Linux kernel rather than the ESX core itself, the number of patches required is decreased.
Fewer patches also imply that the system will not need to be rebooted as often.
The most noticeable difference between ESX and ESXi is the absence of a console, which many users are used to.
This console also contains some of the tools required to manage the hypervisor.
Because the ESXi lacks this console, management interaction is transferred to a collection of remote management tools.
Although most users may not like this update, it makes ESXi much easier to use for newbies.
Summary of the Difference Between VMWare ESX and VMWare ESXi
- The VMWare ESXi lacks the Linux kernel that is utilized by the VMWare ESX.
- When compared to the ESX, the ESXi has a substantially reduced disk footprint.
- Unlike the ESX, the ESXi is often marketed as a built-in hypervisor.
- The ESXi requires very few upgrades than the ESX.
- The ESXi does not have the console that most ESX users are used to.
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