Fault Tolerance para máquinas virtuales
hola necesito saber que software necesito para configura faul tolerance.
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Dịch vụ khắc logo, khắc chữ, khắc tên lên USB
Bạn đang cần dùng USB để làm quà tặng cho ai đó, bạn muốn khắc chữ, khắc tên lên USB để món quà trở nên ý nghĩa và độc đáo hơn. Hoặc bạn đang kinh doanh các sản phẩm USB, bạn muốn khắc thông tin, khắc...
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Question from the new quy about HA
We are about to replace our current infrastructure of 3 hosts with a Nutanix running VMware solution. My question is, has any one re purposed an old cluster and downsized it? What I mean, we are going...
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when VM traffic uplinks are down in HA cluster
Hi, What will happen if the two NICs /up-links for that the VMs are connecting are down while the management NICs are up. In that case the VMs will still be up and running but they will not have any...
View ArticlevSphere 6.7 Clustering Deep Dive ebook available for free
For those who are interested, the vSphere Clustering Deep Dive ebook can now be downloaded for free as a PDF through Rubrik, find more details here: Black Friday Gift: Free copy of the vSphere 6.7...
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VMWare High Availability
Hi, I am new to VMWare and hope someone can advise me regarding the VMWare configuration.Please refer to the attached word document named Inquiry_VMware.docx Page 1, I have 2 hosts and 3 virtual...
View ArticleHA with Anti-Affinity Rules Scenario
If I have 4 hosts in a cluster with HA protecting. For this scenario assume vSphere 6.5U2.I also have 4 VMs, which are all listed in an anti-affinity rule. So whilst all is running OK, each VM is...
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Dedicated Failover Hosts, Slot sizes & Performance degradation VMs tolerate...
Currently working with a cluster with admission control enabled & set to Dedicated Failover Hosts. My understanding is this effectively takes these host resources out of the cluster until another...
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How to avoid Split Brain in a stretched Cluster
Hello, i am searching the internet for an answer... but i am stuck.What we have and whats happened.We have a cluster with 4 hosts.2 on side A and 2 on side B2 dark fibre between A and BThe hosts are...
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HA Question
What is the difference between setting up HA on the cluster vs setting it in vCenter in the web client? Thanks
View ArticleFT is not happening
We have 7 servers , in that one is vcenter and remaining we have installed esxi 6.7 we configured HA and FT, in which if we power off host FT is happening but when we shut down particular vm in any of...
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VmWare Fault tolerance set up
Hi Team, I have a quick question regarding Fault tolerance set up in vmware . Scenario: I have an environment with 22 servers and need to set up FT for it. Requirement: This application...
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Distributed switch important questions
How we do distributed switch setting as template in host networking in clusters of hosts??
View ArticlevCenter position
Hello,today we decided to switch to HA, then double servers and vcenter for control.I doubt, the vcenter appliance is better to keep it inside a host that will be driven by vcenter itself or is it...
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HA/FT without external storage
Hello guys,I have a question, I have 2 hosts with disks. If I wanted to make a cluster using those datastores.Can I make one of the two be the master and the slave copy the machines into its internal...
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vSphere HA failover fails due to unsufficent resources, but they actually are...
Hi everyone I installed ESXi 6.7 on a server and I nested 4 other ESXi hosts on top of it.The hosts are: Host1 : with a windows server vm in itHost2: used to handle failoverHost3: used to handle...
View ArticlevSphere HA failover works bad on shared NFS storage
I have installed ESXi on a host and on-top of it I have installed a Windows Server with NFS server enabled and 2 nested ESXi hosts that share the NFS storage.In the NFS storage I have memorized files...
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VM HA status permanently red with a vSphere HA virtual machine monitoring error
Hi all, I have two VMs that have a recurring vSphere HA virtual machine monitoring error. It is recurring because as I reset it to green it turns back again to red. I have the following recurring...
View ArticleESXi 6.5U3 host subject to failure, VMs crashed but host not declared dead by HA
Hello Community, I'm troubleshooting a failure we had with one of our ESXi 6.5U3 hosts. I don't know yet what exactly caused the host to fail, most likely a hardware issue or driver/firmware related...
View ArticleHow to calculate available resource for VM provision
Hi, Could someone please help to understand how to calculate the memory that are free to use on VM commision in a cluster by considering the HA reserved failover percentage.
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VCA HA why do we use it over simpler HA/FT for VCA?
Hi everyone,VCA HA requires Witness VM, Cloned passive VM to be created to provide VCA redundancy. But we can provide the same functionality using simple HA for VM hosting VCA. For example, we can...
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i config HA 2 active 1 fail host i want to know resource can overcommit %
i have host esxi 3 host make 1 cluster i created disk HDD vSAN RAID 1 . i config HA 2 active 1 fail host i want to know resource can overcommit % ?
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VMWare Fault Tolerance
I have a question about VMWare Fault Tolerance feature. We are downgrading some SQL VM's and still need HA. Could I use the VMWare FT to make a active passive SQL solution or would I need to use SQL...
View ArticlePerformance Issue on FT Enabled VM.
Hi All, I am facing CPU spike issue after enabling FT for the VM.After enabling FT . Java exe start spiking on the VM.Without FT enable VM works fine. Only after enabling FT Java Exe start taking 100%...
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VSphere FT: problem with ".ft-generation", "ft.lockFile" and "configFile"
Hi everyone, I have a problem with the power on of a vm. The power-on task fails with the message: Failed - Module 'FTCpt' power on failed.In the vmware.log file of the vm I have this:...
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V Center Fault Tolerance Scenario
Hi every one,I am trying to understand FT, please consider following examples: Example#1We have a cluster with three ESXi1, ESXi2, ESXi3 with FT enabled. VM1 is on ESXi1 and Cloned VM1 ( created by...
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vSphere FT slows down primary copy
Hello everyone, I want to make fault tolerant a vm with windows server. When I turn the FT on from the vCSA, the performances start get so bad that I cannot use the vm GUI anymore. I have 2 ESXi 6.7...
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Permanent Device loss and All paths down impact on VM
Hi everyone,I am reading about PDL/APD as described by this link :VMware Knowledge Base I understand the difference between PDL and APD and the reasons these could happen. However, I am trying to...
View ArticleVM ware Fault Tolerance question
Hi everyone,Please consider the following set up:VM1( Primary)--EXSI1--VMK1-(FT Logging)---VMK1-ESXI2-VM1 (SEC) Above:Both ESXI1/ESXI2 are part of a cluster.This Cluster has HA enabled ( only Host...
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VM CPU utilization
Hi everyone,Please consider the following example:VM1- --ESXi_1Above ESXi-1 has single VM1. ESXi-1 has following CPU resource: We assign VM1 single CPU: Based on the above, what is max CPU resources...
View ArticleWindows Server Licensing in vSphere Fault Tolerance
Hi, Is there someone to explain me how is managed Windows Server Licensing in vSphere Fault Tolerance scenario? Greetings, Gilles
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how to fix error posted on Screen shoot below..your help is greatly apprecuated.
pleaseemail steps by steps via email vtrejo@chinleusd.k12.az.us thank youVictor TrejoChinle Schools
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External storage behavior on FT enabled virtual machines
Hi All, We have an requirement to enable FT on a virtual machine and that virtual machine is accessing a external object storage through an API. Since the FT architecture replicate all instructions on...
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ISCSI Dynamic Discovery Message:Text Response
Hi everyone.I am learning about dynamic ISCSI target in VSphere. What does "1" below mean when Target sends TEXT Response to Initiator : Thanks and have a good a day!!
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vmware fault tolerance across vcenter 6.7
I need basic help to understand that fault tolerance can work across two different vCenter 6. I have two vCenter 6.7 Ent. plus, is there a way fault tolerance will work.
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Master and Slave Host heart beat ports in HA
Hi everyone.I am trying to find heart beat port used by master/slave host in HA to detect each other liveliness.I have been searching docs but they all explain how it works.Any help will be...
View ArticleDatacenter's cold boot and "Orchestrated Restart"
Hi, Does anybody know - should the "Orchestrated Restart" feature work in case when all hosts in an HA cluster were shut down and then part of them start booting?I've defined VM groups, VM/Host rules...
View ArticlevSphere HA can VM migrate to another host but should not restart
Hi, We have questions regarding vSphere HA settings, in case of host failure, VMs will migrate to another hosts, but restarts. My Client have critical VMs that don't want to be rebooted. And he also...
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How does FT detect VM failure?
Hi everyone,How does FT detects VM failure ? is there a FT heart beat ? I have been looking , found tons of docs about how HA detects Host failure using network heart beats and data stores heart...
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VM failure in FT scenario
Hi everyone,Let say we have a cluster with FT enabled for VM1 . If either VM1( primary) or VM1( Secondary) goes down, a new VM1 ( primary) or VM1( secondary) will be turned on. Should we say HA has...
View ArticleVsphere HA 6.7
Hello I have simple question doesn't Vcenter HA uses shared storage or standalone storage? because i cannot see anywhere it require stand alone datastore or storage. But when I exectue the HA...
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how to find Sla profile on vcav Product version: 4.0.0.16119720-be5951cb
Hi all I am trying to set SLA profiles while on boarding a customer. I am having trouble finding the endpoint for SLA from REst to set the correct SLA. I can connect to the Vcam host via rest but...
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VM interface unticked (disabled) after the cold migration
Hi We have cluster of two hosts, when the cold migration trigger on the VM (either manually or automatically), the VM network interfaces become disabled in the new host, so we have to enable the...
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Auto Start HA
Hello,I'am using VMware ESXi 6.7.0. to configure a HA system. In case of power loss, I want the system to start up the virtual machines in a specific order and an specific server. I have selected...
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HA and Single Points of Failure
Hello,I currently have three 6.7 ESXi hosts. Two of which are using local storage and one is using ISCSI storage. None of which are currently connected to vCenter. All three are close to max on...
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Start only some vm
Infrastructure: VMware with 3 physical nodes.Scenery: 2 servers are down and only one is running.Question: Is it possible to configure the vcenter so that the only functioning server can start certain...
View ArticlevSphere HA Cluster - Something is missing and I don't know what...
Hi all, I have a newly formed cluster in my lab. My cluster is composed as follows:3x HPE DL380 Gen8. specs:2x Intel Xeon E5-2670v2 10c/20t;16*8GB DDR3 ECC (tot 128GB);2x SAS 15k rpm 146GB disks as...
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i have ha cluster problem with vcenter6.0.0
someone has changed the switch network setting and did'nt urn off host monitoring so all vm in warning status warning tab show me "vSphere HA virtual machine failover failed" i don't know where to...
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VCSA 6.7 HA heartbeat to datastore
How do I determine what datastores HA has auto selected as heartbeat datastores? Doesn't show up anywhere... no longer on the cluster summary tab.. not showing in HA properties... looks like...
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