Starting vCenter on different host while powered off
Hi, I have 4 esx 4.1 hosts mananged with 1 VC running on 1 of those hosts.I upgraded this environment with 4 new esx 4.1 hosts (more memory etc.) but the cpu options are not the same, so I cannot...
View ArticleVSPHERE HA Agent version
Hi, How can i find wich version of vsphere HA agent is running on ESX 4.1 / ESXi 4.1 ans ESXi 5 ?
View ArticlevCenter Server Appliance and FT
Can the vCenter Server Appliance reside as a VM in the same FT cluster it manages ?
View ArticlevCPU limitations and FT
The FT documentation states that only one virtual CPUs per virtual machine is possible with FT ? I want to make a two node cluster with FT. Each node in the cluster have two physical CPU's with 6 cores...
View ArticlevSphere HA vs RHEV HA
I am attempting to understand how HA in vSphere differs from the latest version of HA in RHEV. In the past, there has been a gap in the functionality of RHEV HA as compared to vSphere. (See this...
View ArticleActiva HA on existing cluster with hosts
I have a cluster with three ESXi 5.0U1 hosts. vMotion works fine.Can i enable HA and FT on this cluster without downtime? Do I need to reboot the hosts?Or should I create a new cluster with HA enabled...
View ArticleHA Master - management network
From what I have found by default the slave will only use one management network to communicate to the masterThis can be set with an advanced setting. I have not round much in regards to the Master...
View ArticleMinimum hardware & software to achieve redundancy?
I've been tasked with virtualizing our existing rack of 6 physical servers. I need to keep costs to a minimum, so I'm trying to determine what the minimum hardware and sofware requirements would be?...
View ArticleCannot assign VMWare Essentials-PLUS License, tells me "vSphere FT" in use.
I am desperatly trying to activate VMWare Essentials plus, but when trying to asssign the key to those two ESXi 5.0.0 hosts I get: License cannot be assigned, Features in use: vSphere FTThe other...
View ArticleVM is using our template VMDK file
Hi I've recently noticed that disk 1 on our vCentre server is named the same as our templates base VMDK disk (i.e. Disk one is called win2008R2-template.vmdk as opposed to VM-Name.vmdk). Not sure how...
View ArticleQuestion regarding isolation response.
With HA having both the heartbeat network and the datastore is a host isolation response (keep powered on/shutdown/power off) triggered if only the mgmt network goes down or does both the datstores...
View ArticleHA in vCenter 5.0 and ESXi 4.1
Hi guys, I know that since v5.0 of vSphere HA DNS requirement is not needed anymore, but my customer have only ESXi 4.1 managed by vCenter 5.0 ... Wondering to know if in that particular case HA will...
View ArticleHA Reconfigure Issue
Dear All, I am facing issue with HA. I have created cluster with 4 esxi hosts. after 2 days I observed red mark on two of the ESXi hosts. I have reviewed the task and events of those hosts. Alarm was...
View Articleconfigure provider vDC failed on weird "invalid argument"
Hi there,I am setting up my evaluation vcloud. get problem to add new provider vDC.all hosts show "can not install" the error is " Invalid argument "moid" for remote call to host. - A specified...
View ArticleClusters Sharing Datastores
Hi all,Are there any performance or other impacts of sharing datastores between 2 HA clusters within the same vcenter (all vsphere5)?For example if you separated the hosts into separate clusters due to...
View Articlehow to troubleshoot the auto-deploy for stateless installation?
Hi there,I am configuring the auto-depoly for stateless ESX5.1 i installation. it went well. however after I put vcloud-agent depot into it, reboot esx host, that package did not get installed. the log...
View Articlefault tolerance specs for vmware esxi 5
Can someone tell me where I can find some documents to show me the support for fault tolerance in version 5? Are we still liminted to 1vcpu? How many virtual machines can be set to FT?
View ArticlePercentage based HA admission control policy
Hello, I was getting some _I think_ bogus messages about Insufficient Failover Resources from vCentre when using the "Host Failures the cluster tolerates" HA setting (set to 1 host out of 6). One...
View Article2 Host HA-DRS cluster
Hi All, I have 2 hosts HA-DRS cluster, it seems that the DRS not work probably, when i look to the performance at 2 hosts, one of these hosts consume more memory 42 GB from 45 GB and the other one...
View Articleprerequisites to configure a FT between to VMs
Hi all,I'm starting on FT technology, where I can find docs/info about prerequisites to configure a VM using FT?Currently I have two servers with ESXi 5.1(IBM 5200 and HP Proilant). I saw in many...
View Article