HA Firewall Requirements
The following list contains the ports that are used by HA for communication. If your environment contains firewalls ensure these ports are opened for HA […]
Multipathing policies in ESX/ESXi 4.x and ESXi 5.x
Most Recently Used (MRU)— Selects the first working path, discovered at system boot time. If this path becomes unavailable, the ESX/ESXi host switches to an […]
High Level Boot process of ESX server
Several boot loaders are used on Linux systems, such as the Grand Unified bootloader (GRUB) and the Linux Loader (LILO). ESX uses LILO as the […]
How to change ESX host root password
1. Shutdown and Reboot your VMware ESX Server If you don’t know the VMware ESX Server root password, you don’t know any passwords for root-equivalent […]
vSphere 5 vRAM Licensing
The new licensing scheme is used in vSphere 5. Unlike in vSphere 4, where vRAM is not taken into consideration rather the number of cores […]
ESXi and ESX Architectures Compared
VMware ESX Architecture. In the original ESX architecture, the virtualization kernel (referred to as the vmkernel) is augmented with a management partition known as the […]
What is the difference between ESX and ESXi
Capability ESX 4.0 ESX 4.1 ESXi 4.0 ESXi 4.1 Service Console Present Present Removed Removed Admin/config CLIs COS + vCLI COS + vCLI PowerCLI + […]
Configuration difference between ESX 3.5 to vSphere?
Virtual Machine VI 3.5 vSphere 4 Number of virtual CPUs per virtual machine 4 8 RAM per virtual machine 64 GB […]
How to identify VC database’s long running transaction and /or blocking SPID’s in SQL server using a query.
The below query will identify all the open / long running transactions and blocking SPID’s from the database to the virtual center server. Long running […]
How to update ESX host name and Ip address.
1. Navigate to “vi /etc/hosts” Add the below line to the file, first the IP address followed by the ESX host name as shown below. […]