Recent Posts

vSAN Operations: Add a Host or Fault Domain for Maintenance

vSAN Operations: Add a Host or Fault Domain for Maintenance

posted

Preparing a host for maintenance is quite simple in a vSphere cluster. With vSphere DRS enabled, you click a host in the vSphere Web Client, select Maintenance Mode, and click Enter Maintenance Mode. vSphere automatically migrates running virtual machines off of the host and places the host in maintenance mode. This effectively removes access to Read more...

vSAN Operations: Maintenance Mode – No Data Evacuation – Caution When PFTT=0

posted

VMware vSphere includes a feature called Maintenance Mode that is useful for planned downtime activities such as firmware updates, storage device replacement, and software patches. Assuming you have VMware vSphere Distributed Resource Scheduler (DRS) enabled (fully automated), Maintenance Mode will migrate virtual machines from the host entering maintenance mode to other hosts in the cluster. VMware Read more...

vSAN Operations: Maintain Slack Space for Storage Policy Changes

posted

vSAN “slack space” is simply free space that is set aside for operations such as host maintenance mode data evacuation, component rebuilds, rebalancing operations, and VM snapshots. Activities such as rebuilds and rebalancing can temporarily consume additional raw capacity. Host maintenance mode temporarily reduces the total amount of raw capacity a cluster has. This is Read more...

VMware vSAN 6.6 Deploy and Manage Training Class

posted

VMware Education has just released a new training class titled VMware vSAN: Deploy and Manage [V6.6]. I had the opportunity to attend the beta version of this class and help shape the content that is delivered. The class is a 3-day, instructor-led technical training course that features an excellent balance of lecture and hands-on lab time. It is Read more...

VMware vSAN 6.6 Licensing Guide

posted

VMware vSAN powers market-leading Hyper-Converged Infrastructure (HCI) solutions through native integration with the industry-standard VMware vSphere hypervisor and the VMware vCenter Server unified management solution. vSAN is quite capable of running nearly any virtual server and desktop workload. These workloads run in an ever-increasing number of environments: primary data centers, disaster recovery sites, remote offices, Read more...

vSAN Storage Policy Assigned to vSphere Replication Replicas

posted

VMware vSphere Replication (VR) is a replication feature that is included with vSphere Essentials Plus Kit and higher editions of vSphere. Replication is configured on a per-VM basis with RPOs as low as five minutes. It is compatible with vSAN, as well as, other datastore types such as VMFS, NFS, and vSphere Virtual Volumes (VVols). Read more...

vSAN and SRM RPO and RTO

posted

A question came up recently from a customer that went like this: “I am looking for an active/active configuration for disaster avoidance and disaster recovery with a recovery time objective of 0 minutes and a recovery point objective of 0 minutes. Is this something I can achieve with VMware vSAN and/or Site Recovery Manager (SRM)?” Read more...

Migrating VMs to vSAN

posted

A frequently asked question from customers considering vSAN is “How do I migrate virtual machines from my old storage to vSAN?” There are a few ways this can be done and a number of solutions to facilitate the migration. This blog article discusses a few of these options and concludes with a link to a Read more...

vSAN 6.5 Licensing Guide

posted

VMware vSAN powers market-leading Hyper-Converged Infrastructure (HCI) solutions through native integration with the industry-standard VMware vSphere hypervisor and the VMware vCenter Server unified management solution. vSAN is quite capable of running nearly any virtual server and desktop workload. These workloads run in an ever-increasing number of environments: primary data centers, disaster recovery sites, remote offices, call Read more...