Category: vSphere 6.X

Distributed Switch Port Group Bindings

In a vSphere environment where vDS is being used for networking connectivity, there are several options available for what should be the type of port binding that is to be used for a portgroup. Have you ever wondered which Port Binding setting is most

Network IO Control in vSphere 6

In this post we will discuss about what is NIOC and why we need it. We will also configure NIOC in lab. 

What is Network IO Control (NIOC)?

Network I/O Control (NIOC) was first introduced with vSphere 4.1 and it

Switch Discovery Protocols

In physical networking space, switches are connected to one or more adjacent switch forming a web of switches which can talk to each other. This web of switches is referred as “neighbourhood of switching”.

Virtual switches (standard or vDS) are connected

Configuring and Managing VMkernel TCP/IP Stacks

While working through VCAP6-Deploy blueprint I stumbled upon topic TCP/IP stack configuration. I have seen this many times in my lab while configuring networking stuffs and had a basic idea of what is the purpose of using custom TCP/IP stack. Suprisingly this

VMFS Locking Mechanisms

In a shared storage environment, when multiple hosts access the same VMFS datastore, specific locking mechanisms are used. These locking mechanism prevent multiple hosts from concurrently writing to the metadata and ensure that no

iSCSI Port Binding in vSphere 6

My first interaction with iSCSI and port binding was back in 2013 when we introduced an iSCSI based SAN (Dell MD3200i) in our environment. We were a small SMB entity and introduction of SAN

VMFS Re-Signaturing

When you create a new datastore in vSphere, each VMFS volume is assigned a unique identifier (UUID) and this UUID info is stored in a metadata file as unique hexadecimal number.

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VUM orchestrated vSphere upgrades

VUM Orchestrated upgrades allow you to upgrade the objects in your vSphere inventory in a two-step process: host upgrades followed by virtual machine upgrades. If you want the upgrade process to be fully automated,