6
votes
1answer
525 views

Why doesn't VMWare DRS automatically migrate VMs when a host is put in maintenance mode?

We have 4 ESXi 5.0 hosts in a VMWare cluster on shared storage (NFS) with DRS and HA on. We want to perform a memory upgrade on one of the hosts. We put that host in maintenance mode but DRS did not ...
1
vote
1answer
86 views

(simple) linux HA with vmware vsphere?

I hope my upcoming question is specific enough, and you are able and willing to support :-) We have several openSUSE VMs in an ESX-Cluster (three ESX-Servers) with an attached iSCSI-SAN. All of ...
4
votes
1answer
404 views

Should VMware HA Admission Control be enabled for small (2/3-host) clusters?

Take the following common scenario... A basic vSphere cluster running two or three hosts, shared storage and a token set of virtual machines under Essentials Plus or greater licensing. Should HA ...
5
votes
1answer
399 views

VMware vSphere DRS affinity rules for more than 2 guests

I've received a request to add disaffinity/anti-affinity rules on a set of virtual machines in a VMware HA/DRS cluster running VMware vSphere 4.1. The client has four hosts and wants to keep certain ...
6
votes
1answer
2k views

Should an HA failover occur in this scenario?

I'm running vSphere 5 in an HA cluster across two hosts (vsphereA and vsphereB). I have the HA cluster configured for host monitoring and datastore heartbeat monitoring with admission control disabled ...
5
votes
2answers
530 views

How stable is the VMWare vCenter Server OVF and is there a better way to get HA features?

I am considering pruchasing Vsphere solely for the HA feature, however, in order to do this, I will also need vCenter Server. I am not keen on purchasing a copy of Windows especially for this and ...
2
votes
2answers
216 views

High Availability with 3 servers: To virtualise or not?

We're changing hosts for our SAAS app (IIS+MSSQL) and have an opportunity to redesign the infrastructure. Either stick with what we have (which works well) or virtualise with vSphere. Current: 2x ...
0
votes
1answer
130 views

How to approach high availability and fail-overs when moving to a vmWare cloud server/cluster

I'm currently running a CentOS VPS with some simple web/DB/VPN servers, but I'm planning to move to a vmWare Enterprise cloud based machine in the near future to improve availability, and I need to ...
3
votes
1answer
947 views

MySQL on VMware for High Availability

Given a choice between the current database-level HA options for MySQL, like Master-Master, Cluster, or Galera, and vSphere HA for the machine running the MySQL master, which would you use or combine ...
1
vote
2answers
217 views

Configuring high-availability with snapshots

I wanted to know if it is possible to configure HA in VMware vSphere to start virtual servers using snapshots. For example, if one of my physical server fails, the virtual machine would start on ...
6
votes
1answer
379 views

Stretched datacenter between cities

We're planning to implement a stretched datacenter between our two sites. The connectivity between them is a single 100mbit QinQ connection. We have about 500 users at site A and 200 users at site B. ...
2
votes
1answer
530 views

vSphere HA - Dealing with storage hba/link failure?

I'm looking at putting in a small cluster spanning two locations on the same campus. The vSphere hosts in each location would have a vSwitch connected to the production LAN, and I'd also be using a ...
1
vote
1answer
3k views

Exchange 2010 DAG + VMWare HA = no support?

We currently have an Exchange 2003 clustered environment (two machine cluster) that we're looking to upgrade to 2010. We recently purchased a VMWare virtualization environment (three Dell R710's with ...
1
vote
1answer
292 views

Some VMs starting up after cold boot, unsolicited ?

I 've got a small lab set up with trial ESXi 4.x with latest updates and patches. On the moment I 'm testing HA with some strange results. As mentioned above some VMs start up without having ...
0
votes
3answers
458 views

VMWare - Fault Tolerance - The *SMB* Solution?

VMWare vSphere 4 offers a new Fault Tolerance system that ... VMware Fault Tolerance, based on vLockstep technology, provides zero downtime, zero data loss continuous availability for your ...