VMware

As with any other virtual machine resources, it is important to pay close attention to virtual machine storage requirements. Virtualisation brings a lot of benefits when it comes to storage…

If there’s one thing that’s apparent when supporting vSphere environments, its that it’s never good news when a datastore has ran out of space. This article will look at how…

On occasion there is a need to tag SSD devices as such so that they are properly identified by your hosts and by vCenter. We can start by looking at…

What is an RDM or Raw Device Mapping? An RDM, or Raw Device Mapping, is a mechanism for giving a virtual machine direct access to a LUN. This LUN can…

When you attempt to mount a device that contains a VMFS datastore copy/storage snapshot, you are given the option to either mount the datastore using the existing signature or you…

Prepare storage for maintenance (mounting/un-mounting VMFS Datastores) When you un-mount a VMFS datastore, it remains intact but it can no longer be seen from the hosts on which you have…

vCenter Storage Filters are enabled by default within Virtual Center. They give a layer of protection while performing VMFS datastore operations, such as when creating new vmfs datastores. Storage filters…

What is NPIV ? According to Wikipedia: “N_Port ID Virtualization or NPIV is a Fibre Channel facility allowing multiple N_Port IDs to share a single physical N_Port. This allows multiple…

vSphere DirectPath I/O (DPIO) is a vSphere feature that takes advantage of VT enabled processors installed in ESXi hosts in order to improve perfomance for virtual machines. A processor feature…