Comparison and Difference between VMFS 3 and VMFS 5

New Unified 1MB File Block Size Earlier versions of VMFS used 1, 2, 4 or 8MB file blocks. These larger blocks were needed to create large files (>256GB). These different file blocks sizes are no longer needed to create large files on VMFS-5. Very large files can now be created on VMFS-5 using the new … Read more

Interview Questions on VMware ESXi with Answers

1. What is a Hypervisor? It is a program that allows multiple operating systems to share a single hardware host. Each operating system appears to have the host’s processor, memory, and other resources all to itself. However, the hypervisor is actually controlling the host processor and resources, allocating what is needed to each operating system … Read more

Minimum H/W requirements for VMware vCenter Server 4.x and 5.x

VMware vCenter Server 4.x Hardware Requirement Processor Intel or AMD x86 (64-bit if installing vCenter Server 4.1) processor with two or more logical cores, each with a speed of 2GHz. Memory 3GB RAM. RAM requirements may be higher if your database runs on the same machine. VMware VirtualCenter Management WebServices requires 128Mb to 1.5GB of … Read more