Does vSphere HA require shared storage?

The reason vCenter HA is apt for vCenter server is that, VC HA does not have requirement of shared storage.

How do I add SAN storage to ESXi host?

In the vSphere client, complete the following steps:

  1. Select the host.
  2. Click the Configuration tab.
  3. Click the Storage section.
  4. Click Add Storage.
  5. Follow the prompts to add the new disk or LUN.

What is difference between vSphere HA and proactive HA?

In your typical server failure, the server just goes down and HA restarts virtual machines. However, with vSphere proactive HA, it allows you to configure certain actions for events that MAY lead to server failure.

Does HA work without vCenter?

Hello, HA will work, because there is an HA agent running on each host, and the hosts monitor each other and keep lists of running VMs that need to be restarted in case of a host failure. vCenter is just used to (de-)activate and configure HA.

What is VMware vSAN?

VMware vSAN is a software-defined, enterprise storage solution that supports hyper-converged infrastructure (HCI) systems. vSAN is fully integrated with VMware vSphere, as a distributed layer of software within the ESXi hypervisor.

What is vCenter Server High Availability?

vCenter High Availability (vCenter HA) protects vCenter Server against host and hardware failures. The active-passive architecture of the solution can also help you reduce downtime significantly when you patch vCenter Server.

How do I map a LUN to ESXi host?

Presenting a LUN to a VMware ESXi host

  1. From the Actions list, select LUN, then select Present LUN to present a logical unit to an ESXi host.
  2. Select the Storage System.
  3. Select the Logical Unit ID.
  4. Click Next.
  5. Select ESXi Cluster or Hosts.
  6. Click Next.
  7. Review the Summary window.
  8. Click Submit.

How do I connect SAN storage to my server?

Connect every device of the pool with the switch using a fiber cable. Connect every server with a fiber switch using fiber cable. Attach a Host Bus Adapter card (HBA) on each server and pool to communicate. This is the easy set up of SAN.

What is reactive HA in VMware?

It is a reactive mechanism of HA which is used to provide Virtual machine availability with a short interruption of services running on VM. HA cluster in vSphere 6.5 is Proactive, with the help web client plug-in by OEM vendors (Cisco, Dell and HP).

What is high availability VMware?

VMware High Availability (HA) allows companies to provide high availability to any application running in a virtual machine. With VMware HA IT organizations can: • Protect applications with no other failover option. Provide cost-effective high availability for any application running in a virtual machine.

Does HA require vMotion?

HA does not use VMotion.

How HA will work if vCenter is down?

HA is dependent on vCenter Server to monitor protected virtual machines. So if vCenter is down then currently protected virtual machines will be restarted on other ESXi hosts but you will not be able to protect any new virtual machines until vCenter is available.