FT behavior during datastore outage
Hi all, I have a question regarding a datastore failure on a particular host, and the behavior of FT in this scenario. I have two VM hosts. Each has two vSwitches. Each are running 5.0U1. vSwitch0...
View ArticleSimulate VM Failure to Test HA?
I have two ESXi 5 Hosts in a cluster.Host A : Running (Master)Host B: Connected (Slave)Each of the WIn2008 R2 VMs Diaplay: Protected So I think that I have the VMs in the right cluster and configured,...
View ArticlePV MD3200 - Virtual Disk Not On Preferred Path
I cannot be sure when it started showing the Error, I thought it might of been when I went to Manage the Paths of the Datastore and changed the Path Selection from Most Rcently Used to Round Robin,...
View Articlemove Management Network to another Switch?
After Creating hosts in cluster, the Hosts Say there is no management network redundancy - After I setup the Hosts I created three Virtual Switches besides vSwitch0. I used the remaining 5 NICs for the...
View ArticleHA-DRS Question
i have a question if suppose i have two esxi hosts:-one is esxi1 and other is esxi2 and on esxi2 two vm's are running one is vCenter Server and other is a windows 2003 vm. for windows 2003 vm VM to...
View ArticleHA agent showing failed on one esx host in a cluster and one VM is not...
Hi All, We are receiving HA error on one of our esxi host in a cluster of 4 servers. Its showing error that HA is not working, conenction timed out.All VM's hosted are showing in disconnected status...
View ArticleFault tolerance/HA/cluster optimization question
Hello, I've set up a cluster using VMware vSphere 5 Essentials Plus license, so far there are 2 nodes running ESXi 5.0.0 and it's not behaving quite the way we expect, probably there is a configuration...
View ArticleTesting DAS/NIC Connection Failure in HA Cluster
I have two hosts in a cluster. I'm working on testing HA failures. I've been successful at testing a machine failure by unplugging a Host and having all of the VMs from the dead host transfer to the...
View ArticleHA and FT Support for 3rd Gen i5/i7
Hi All, First post to vmware but had a quick question.I am wanting to build a home lab to study for the VCP certifications and was wondering with the latest Core i5 3rd gen work with FT and HA? I did...
View ArticlevSphere HA Admission Control Calculator
Hi everyone Today I attempted to place a host into maintenance mode and received the infamous "Insufficient resources to satisfy configured failover level for vSphere HA". I worked around this by...
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VM-Host Affinity Rules
I have a question (or more of a chain of thought) which has been bugging me for sometime and because my demo environment is down I've not had time to rebuild and test it out...... so I thought I'd run...
View ArticleEvaluating ESXi, Question about a Hardware Failure Scenario
I'm curious what happens to a VMWare guest when the host fails. If I have a VMWare ESXi host running on a server where the vmdk's reside on (and are booted from) an iSCSI SAN or an iSCSI/NFS NAS what...
View ArticleHA and iSCSI datastore volumes - Preventing corruption
We had an isolation issue on our 4.1 production systems many months ago. Since then, we've not been allowed to use HA to automatically restart VMs on another server. Now that v5.0 is in the mix with...
View ArticleESXi 5 Host Power Failure - HA discussion
Hi All -I am attempting to set up our ESXi5 hosts to vmotion our guests in the event of a power failure on a host or 2 in our 6 host clusters (we have 4x 6 host cluster environment). My purpose is to...
View ArticleVM Monitoring functions (in vSphere HA 5.0) just don't work !
Hi everyone, VM monitoring (a function of HA) does not work. I just disable the VMware Tools service in a VM, and ESXi 5.0 reports that VMware Tools is currently not running for this VM, means that...
View ArticleHA Agent restarting vm's on different hosts once the parent hosts fails
Hi , If you disconnect a host from a cluster, all of the virtual machines registered to that host are unprotectedby vSphere HA. I am not able to understand above said , because even if host fails...
View ArticleCannot deploy template: The host is reporting errors in its attempts to...
I've been trying to deploy a virtual machine from a template in a cluster to the same cluster and I am getting the following error. "Cannot deploy template: The host is reporting errors in its...
View Articleclustering which will give the continous working of VM and my core banking...
We are in to the banking sector. We have one virtual machine which is running with windows server 2008 having core banking application. As it is core banking application we don't want that virtual...
View ArticleWhat is network partition and Datastore Heartbeating in HA
what is network partition in HA and Purpose?
View ArticleHow long before vMotion will start going to a rebooted host?
Hey all, I haven't been able to find an answer to this one. Hopefully someone might point me in the right direction. I have six ESXi 4.1 U2+ hosts in a cluster with HA and DRS enabled. HA's ACP is...
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