RDM Disk goes offline after HA
hi i had VMware HA yesterday , machines started on other node successfully however RDM Disk went offline in WIndows OS , we had to manually login to vm and make it online. What could be the issue?...
View Article3 host with HA set prefer node for virtual machine
I am wondering can I set prefer node for virtual machine to power on (Hyper-V have such feature)? Could not found anything on the internet. In here, I just enable HA without DRS.
View ArticleAfter VMware HA the VM comes up on the another host with blinking cursor
Hello, I have a cluster with 2 ESX hosts with Percentage of cluster resources reserved 50% CPU and 50% Memory as a Admission Policy configuration. ESX1 and ESX2 - 2 x 8 cores - 128 GB Memory ESX1 - has...
View ArticleHA error: vSphere HA agent on this Host cannot reach some of the management...
Recently we enabled HA on 3 node cluster, receiving Warning on host summary tab as vSphere HA agent on this Host cannot reach some of the management network addresses of other Hosts. we have cross...
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vSphere HA virtual machine failover failed
XXXXXAlertvSphere HA virtual machine failover failedXXXXXX6/19/2014 2:02:53 PM am unable to power on VM
View ArticleVSphere APP HA for SAP?
Dear Colleagues,Does Business Application HA support SAP?Regards,Alexander
View ArticleESXi 5.5 -- APD not causing HA event. --Scripts to monitor / reboot hosts
Good Morning VMWARE world! So... Long story short we were bitten hard by HA's lack of protection against APD. We run a stretched cluster configuration running 5.5 with the latest updates. EMC VPlex...
View ArticleHost Failure Partial DRS Scenario
Hi All Would like some clarification. We have a 8 host cluster, which is HA and DRS enabled.DRS is set to Partially Automated.My view is if a host fails, DRS will still automatically try to balance the...
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Host Failure Cluster Tolerates & Admission Control
Hi, I'd like to get some points of view on what seems a common HA configuration - Host Failures Tolerated with Admission Control enabled.There are no reservations and the slot size is the default. In...
View ArticleProfile Compliance error on the Cluster
Hi Friends . I am getting a profile Compliance error on the Cluster and I am not using any Host Profiles When I click on Description it says at least one of the shared Data store is required but in HA...
View ArticleHA Architecture for Legacy Applications
I am looking to find a hardware solution to meet a High Availability requirements from one of the customer on our existing product. Their main requirement for asking for HA solution is to do the...
View ArticleHelp determining best Anti-affinity configuration
I am starting to dabble in VM and Host affinity rules for the first time. One of our customers is looking to have 30-40 VMs spun up to use for distributed processing. They want to ensure that in case...
View ArticleSecondary VMs cannot power ON, after rebooting a host.
Here is my configuration:2x hosts (R710)2x VMs1x vCenterRunning ESX 4.0 U2 If I restart any of two hosts, the VMs move to another host. When the restarted host comes back, the secondary VMs stay on...
View ArticleAdding a new ESXi 5.5 host to an existing HA cluster of ESXi 5.1 hosts
Hello all,I apologize if this is already answered somewhere, but I've been searching this forum and Google for the last hour and a half and couldn't find a definitive answer to my question. I have an...
View ArticleSingle Site Replication (without SRM) with two ESXi 5.x (HA & vMotion)
Hi, I'm new to the forums and tried to look for a similar thread but haven't so far. We are looking to deploy 3 VM's on one ESXi and replicate these to a second host. These are both located in the same...
View ArticleTrouble understanding HA Cluster
Hi,can someone please explain me why my vm in HA cluster is not powering on? I have 2 hosts in HA cluster:esx1.company.priCPU 2x 3395MHzRAM 4095MB (1287 used for esxi)esx3.company.priCPU 2x 3395MHzRAM...
View ArticleUnderstanding percentage based admission control
Hi all, So I thought I understood the admission control policy but clearly not, can someone please help me understand why the below configuration is erroring with insufficient resources available when...
View ArticleFT installation SAP
Dear All, We are planning to install SAP using vmware esx on linux. Please advice if below scenario of installation works in vmware · Install DB, ASCS and PAS on three different VM· FT...
View ArticleUnderstanding slots / failover capacity in my environment
I currently have 4 hosts running ESXi 5.1. Each host has: CPU: 4 processor sockets / 12 cores per socket = 48 logical processorsRAM: 262GB Each hosts CPU usage is nominal and currently the 4 hosts...
View Articlenetwork heartbeat vs storage heartbeat
why vmware kept the network heartbeat at the first place than the storage heartbeat? Just want to know for the curiosity as someone asked me.
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