HA issue
Can any one tell me if we have 7 host and we configure HA without DRS and one of HOST machine Down then how HA Decide which Vm machine will move to differnet different HOST please tell me
View Article"Uneven" Network Configuration with HA/VMotion
we run a fairly boring and simple scheme where all access layer switches (A,B,C,D) are layer 3 up to the core, local access layer VLANs are not available everywhere. In order to VM all of the devices...
View ArticleInsufficient resources to satisfy configured failover level for vSphere HA
I have two ESXi 5.1 host in a cluster. I just installed a virtual appliance and when I try to start if I get an error saying "Insufficient resources to satisfy configured failover level for vSphere...
View ArticleFT migration question
I've got 2 ESXi servers and vCenter on separate server.There is cluster with VSA on ESXi storage and VM's with FTWhen primary ESXi server goes down VM migrating to the secondary ESXi.Then primary...
View ArticleGuest shutdown when ups initiates
Hello, I'm wondering what the best practice is for shutting down guest vm's when you have an HA enabled cluster? We have a VMa guest on each host that we use for shuting down the host server when...
View Articleesx5i HA protected/unprotected VM
Ok, I have searched and read through all docs I can find, but cannot find the answer to the following. I have a new 6 node cluster running esx 5i, and two other clusters running esx 4.1.x.I have EVC...
View ArticleHA Heartbeat Datastores
One of our admins temporarily wigged out the system by removing some old datastores from the SAN without first removing them through the vcenter. 2 of the 4 hosts in that cluster became unmanageable....
View ArticleBlade chassis failure, how frequently do they happen?
We are looking at the Dell M1000e for our next gen infrastructure, I was wondering if any one would be willing to share their experiences with chassis failures. How frequently have you seen them? If...
View Article32 Max HA events, what then?
In the maximums guide for 5.1 it states that max concurrent host HA failover events are 32. http://www.vmware.com/pdf/vsphere5/r51/vsphere-51-configuration-maximums.pdf My question is what happens if...
View ArticleLinked Mode resilience
HI, I am looking to join 2 vCenters using 'Linked Mode' (they are ESX4.1). My question is around resiliency - what options are available if, for example, the Main vCenter failed due to a power failure.
View ArticleDoes HA do FDM on 4.1 on a 5.1 vcenter?
Hey Guys, If I add a 4.1 host to a 5.1 vcenter - does HA still use the AAM or does it switch over to use the FDM Master/Slave? Please advise. ThanksRJ
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Migration of hosts from vcenter - HA question
Hey Guys, Now I know beyond doubt that HA will work when vcenter is offline. However what about when I am migrating it to a new vcenter. I am moving a cluster from vcenter 4.1 to vCenter 5.1. Now this...
View ArticleHA Communication difference
Hi All - I have small clarifications in HA topic, In the vSphere 4.1 , If HA(aam) agent wants to talk to hostd using a translator via VPXA in earlier version. In the vSphere 5.1, FDM agent will talk...
View ArticleAfter upgrade to ESXi 5 HA errors
Hello, I recently upgraded the servers to ESXi 5 and am now receiving HA errors. This seems to primarily happen when I put a host into maintenance mode. I get either: Vsphere ha detected that this...
View Article.vmware_ha folder on non-heartbeat datastores
I'm noticing the .vmware_ha folder structure being created on datastores that are not configured as preferred HA heartbeat datastores. Since this is a test environment I end up adding and removing...
View ArticleNo heartbeat datastores to select
Hi, guys. I'm testing HA on a cluster I've recently made. One host is a physical server and the other is a VM on my desktop. Both have ESXi 5.1 installed.I've setup the HA cluster, added hosts...but...
View ArticleSlots Query !
Total Slots in a Cluster - 108Used Slots - 339Available Slots - 0Failover Slots - 0Total Host - 18Powered on VM -339 With this configuration will the VM restart if any of the host in the cluster goes...
View ArticleSVMmotion
After i UNMOUNT a datastore "system" automatically initiates a "RE-SCAN VMFS" activity. If i have to UNMOUNT multiple datastore than i have to wait till this "RE-SCAN VMFS" is completed. Is there any...
View ArticlevSphere HA virtual machine error
Dear All, I have a cluster with 3 ESXi hosst. I have for only one VM a vsphere HA virtual machine error followed by vsphere HA virtual machine action alarm. Could you please help me to fix this error?...
View ArticleHA heartbeat datastore problem after cluster shutdown
I have a case with small 2 hosts cluster and VNXe. These had to be shutdown because power maintenance work which caused (planned) ~6hrs blackout in power distribution. After blackout everything came up...
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