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vSphere HA and Resource Reservation
I have some comprehension question concerning HA Resource Reservation. Let's assume I have a vSphere cluster with two nodes. Each nodes has 100 GB of RAM. So total RAM = 200 GB in my cluster. I...
View ArticleIn ESXi 6 can you live vMotion between hosts with the same CPU, but from...
Hi, We have two clusters of Dell PowerEdge FC830 and three clusters of HP ProLiant DL560 Gen9 servers with the Intel(R) Xeon(R) CPU E5-4667 v4 @ 2.20GHz processors. I would like to set up a shared lun...
View ArticleHA at Storage Level in cluster
Hi there, I wanted to know whether there is provision to provide HA at storage level in same cluster. ex: If storage mapped to a Host fails, then do the vms change their storage to the next available...
View ArticleDRS VM-VM Affinity Rules - possible to use should instead of must like...
Is there a way to allow VM-VM affinity rules to use the same SHOULD behavior that VM-Host rules can leverage rather than MUST behavior? VM to Host DRS rules have the option to "should run on this host"...
View Articlevmotion network config error
I am having difficulty doing a vmotion migration, or, more accurately, a relocation via vmotion. I am using the vcenter web client. I am getting the error that the "migrations failed because the ESX...
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vSphere 6.X, renaming of vmdks during Storage vMotion and...
Hi Community, Hope you can help with context of renaming vmdk files during Storage vMotion.There is no mention of advanced parameter "provisioning.relocate.enableRename" after vSphere 5.X version (in...
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Customize DRS initial placement
Hi all,is there a way to customize the DRS initial placement in order to avoid the power on of a virtual machine in a set of specified hosts? Thank you
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Slow storage vMotion (~30 MB/s) in my lab but high speed between Windows pc...
Hello All, I noticed the speed of storage vMotion is quite slow in my config. I built a lab a small inexpensive lab at home to improve my VMware skills. I have 2x diskless ESXi 6.5 hosts which are...
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DRS issues when attempting to power on VMs
Big problem going on right now within the web client.. and note, the problem I will describe does NOT occur in the thick client.. go figure. DRS, when in either automatic mode, will power a VM up...
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Does using Intel Turbo Boost have any adverse affects on vMotion for...
We're looking to enable Turbo Boost to get a little more performance out of our hardware, however we're concerned it might cause an issue with vMotion migrating the server in the event of one system...
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Features need to be enabled for High Availability with a 2 node ESXi 6.7 cluster
Hi As of now we are using Microsoft 2016 Hyper V clusters. We have prepared 2 new ESXi hosts and in progress of configuring VCSA in HA. With ESXi host HA we read it restarts the VMs while moving the VM...
View ArticleVDI vCenter VM
we have small VDI environment and vCenter virtual machine (windows ) and Horizon View virtual machine is in same vCenter environment .i would like to move both virtual machines in another vCenter...
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Disk Consolidation File Lock (vSphere 5.5)
Hello, I'm currently facing an issue in which two VMs require disk consolidation after being backed up by Veeam but a file lock remains on the files. I get the message "An error occurred while...
View ArticleEVC mode with Processor E5-2620 v. 3
Hi, We are offering the upgrade to the latest version of Vmware to a customer, but we have a technical requirement that we have to meet or the VMotion hot. Currently the client already has 2...
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VM migration: Is routing needed between two storage.??
Hi Team, We've one old storage connected to two mellanox switches for redundancy and mapped in 3 Esxi servers with iscsi controllers, this data network is in different network and vlan. And a new...
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Dedicating vCPU cores
Hello Experts, Need an advice on to how to dedicate the CPU cores to a VM. Actually, my requirement is something like this : I am having - ESXI hosts with 2 sockets * 18 cores = 36 cores in total (...
View Articlelow vmotion speed transfer between esxi hosts
Hello,Can anyone help me with the following problem.In VmWare Vsphere the migration of only the virtual machine (without datastore migration) between the esxi hosts reaches a maximum of 120000 Kbps. It...
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Storage vMotion failure
Hi, I'm having trouble with host and storage vMotion of a very large VM (20 TB+) from one cluster to another under the same vCenter.Migration fails in the final stage. It copies the entire VM across...
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The sdk to check if vmotion is possible between two hosts has changed in 6.5...
The sdk to check if vmotion is possible between two hosts has changed in 6.5 to checkmigrate_task. Earlier it was validatemigtration. The validation test types, passed as parameter to the SDKs has even...
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vmotion stucks at 13%
hi everybodyduring vmotion from host 1 to host 2 which both are connect to switch1 , it stuck at 13% but when i try to vmotion from host 1 to host 3 which it is conect to switch2 , there is no...
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DRS Rules and maintenance mode
I have 8 ESXi hosts split into 2 DRS Host Groups (HOSTS_A and HOSTS_B). I also have some DRS rules that force VMs to be split across these 2 host groups.I want to force all VMs in HOSTS_A to migrate to...
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Automaticaly switch off VMs and Esxi
Hello Expets, Could you please help me to design my development environment in such a way that it will run on 5 days a week. I need to do in automated way. I know this can be achieved by DPM feature in...
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How to implement Vmware replication
HiI need your assistance to implement Vmware replication . And i have the following -Dell Poweredge R730 Chassis (2U)-2 x Socket E5 Xeon 3.2GHz / 8Core (Version 4)-128GB Memory DDR4 2400MT/s-6 x 1TB...
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Detect if the vm is in svMotion state
Hi guys, I need the ability to find out whether the vm is in svMotion state at any moment, or not.Can I use any properties of datastore, virtual disk, or vm mor? Does anybody have any idea how that can...
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vMotion migration, machine busy or idle?
Hello VMware Admins, I am looking to do a white paper about vMotion and I want to try and make it as real world as possible. So when you are doing vmotion migrations of both storage and compute. Are...
View ArticleCPU ratios
Hello experts, Actually we are trying to find out if there is any way to alocate different pCPU/vCPU for VMs in same cluster..for eg: in a ESXI hosts cluster with 12 VMs - how to make pCPU/vCPU ratio...
View ArticleIs there a way to check that the destination host or cluster can see the...
Is there a way to check that the destination host or cluster can see the datastores where the virtual machine's virtual disks are currently located in vsphere 6.5 and above. I need to check the disk...
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vMotion Error - general system error occurred
Hi guys, I'm having trouble moving a particular VM. I get a general error flag in the Task list - and this is what shows up in Events: (attached) I've tested communication using vmkping and that all...
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Which API is used to check VMotion Migration Capability in VSphere 6.5 ?...
Which api is used to validate vmotion migration in vspehere 6.5. Earlier in vsphere 5.0 "ValidateMigration" API was used to check vmotion capability, but now it has been marked deprecated for vsphere 6.5.
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What are all the vCenter Permissions and Roles for creating DRS Affinity Rules
Hi, What are all the permissions required a VMware user to create/ modify a DRS affinity/ aniti-affinity rule to a vm/ host.
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VM Migration
Can we do VM vMotion/Storage vMotion between hosts that are only using internal storage?
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Vmotion Configuration for high availability
Hi Experts, I have two identical VM ESXi 6.5 hosts.Is it possible to configure one host to be standby and ready to take over if the active host looses power?Can vmotion do this redundancy support?...
View ArticleVMware Essentials Plus Enhanced vMotion
I read an article that it is possible to vMotion Storage but only if you change the host at the same time, however I wanted to check can you used enhanced vMotion to move VM's from local storage to...
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xvmotion without shared storage
Hello, Is it possible to move a VM of 10TB between two linked vcenters and esxi hosts? cpu & storage. The cluster A hosts do not have access to storage of Cluster B hostswe have successfully...
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DRS doesnt balance Memory/CPU across hosts in a cluster
I have a cluster with 5 nodes. first three nodes has 768GB RAM each and last two has 1.5TB RAM each. CPU count on all hosts are the same.DRS is fully automated but I'm seeing last two nodes have plenty...
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HA and DRS Question
Hello Experts, I am building a 2 node ESXI cluster. I will be running 1 VM per hosts with VM memory reservation. The configuration is something like this : ESXI config = 18 physical cores and 256 GB...
View Article6.7 Limits on Simultaneous Migrations
HI everyone, Limits on Simultaneous Migrationshttps://docs.vmware.com/en/VMware-vSphere/6.7/com.vmware.vsphere.vcenterhost.doc/GUID-25EA5833-03B5-4EDD-A167-87578B8009B3.html sVmotion cost 4 per Task...
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Latency sensitive VMs and CPU reservation
Hello We are doing some tests with a service that uses DPDK and following the VMWare guide for intensive data workload applications. So, set the latency sensitive field to high, total memory...
View ArticleLoad balancing between two or more datacenters?
I have a interesting hypothetical dilemma. SDDC implemented. one vCenter.3 data-centers (3 workload clusters) - 3 physical locations.vSan implemented as well as NSX (not-T) Same IP space at the moment...
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Strange Migrations
We have a one of several systems that is not behaving in the manner expected. All the systems work in the same way but this one in particular is mis-behaving... We are required to pin host workloads...
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EVC mode steps
We have an existing cluster that has very old CPUs (Sandy Bridge) and does not have EVC set on the cluster currently, We are wanting to expand this cluster with brand new Cascade Lake hosts. Our...
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"Worst Case Allocation"
I was looking at the "Worst Case Allocation" figures for memory on some VMs recently. Would I be right in saying that for a VM that has a memory reservation, this figures is going to be the reservation...
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vCSA 6.5 U2c - Lenovo Hardware - Enhanced vMotion hangs 10 minutes and then...
I am doing Enhanced vMotion between two clusters from a VMFS volume to a vSAN Datastore. The source cluster has multiple blades with 1Gb interfaces and the source cluster is a Lenovo HCI solution with...
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VM migration multi
Hello, Is it possible to migrate several VMs per batch from VCENTER? And to make sure that the VMs are migrated by one to the new server? Thank you --------------Original : Bonjour,Est-il...
View Articlevmware drs
hi,in cluster drs the VM that start will run on the esx host where are resources.right?in time if the workload on the host increase much then this VM will be moved automatically (if the policy is full...
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Vsphere 6.7 VM Cpu Reservation
Getting error 'The host does not have sufficient CPU resources to satisfy the reservation.' IN vCenter 2604 VM's and 49 Host's are there. Below are the Cluster resource poolBelow are the Hardware...
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vmotion between skylake and cascade lake
Hello, Do you think vMotion (vsphere 6.5 u2) might work properly between skylake host and cascade lake host without activating EVC?Actually I am asking this question because it looks like that cascade...
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Migrating to new storage system
Trying to figure out the best way to migrate vms to a new storage system. I am using SAS/HBA. I have two SAS ports on each host. Can I connect the host to both storage systems via SAS to move the vms?...
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Storage vMotion simultaneous disk copy
Hi, Does anyone have information on the following VMX parameter? svmotion.maxSimultaneousDiskCopy According to VMWorld 2019 presentation it's supposed to enable simultaneous disk copy during storage...
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Memory Reservation VS Cluster Right Sizing
Purely from performance perspective. Goal: Ensure VM's memory allocation is guaranteed with lowest latency. VM running critical workload. Option 1:Ensure cluster memory resources are not overcommitted...
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