Storage IO Control Deep Dive

Storage IO control (SIOC) was first introduced in vSphere 4.1 and since then its getting better and better with every release of vSphere. This is one of those feature which easily escapes eye of

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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Upgrade Virtual Machine Hardware and VMware Tools

The virtual machine compatibility setting determines the virtual hardware available to the virtual machine, which corresponds to the physical hardware available on the host. The latest virtual machine hardware version available yields the best performance

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,

vCenter Server Advance Settings Configuration

vCenter Advance settings is used to modify the vpxd.cfg configuration file. To view the configuration options available with Advance settings, login to Web Client and select vCenter server from vCenter Inventory list and navigate

Remove PSC from SSO Domain

In this post we will learn how to decommision/remove a PSC from SSO domain. I am covering steps needed for VCSA in this post. Steps for a Windows based vCenter server are very similar