Questions tagged [vmware-vsphere]

vSphere is an enterprise level virtualization solution. It acts as the cloud computing OS managing a set of VMware ESXi-based hosts.

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30 views

How many cores can each VM have with free ESXi?

I am a bit confused about VMware's licensing with vSphere Hypervisor (the free one). I have a server with 2 X5650 Intel processors which have 6 cores each and 12 threads. What would be the maximum ...
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Large Jitter Spikes on a Small Percentage of VoIP calls

On about 5% of our customer's calls, we see large jitter spikes and high delta #s that have caused an noticeable audible impact on call quality. (Stuttering/Breakups/Robotic Audio). We know this from ...
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Cannot access VM after running “systemctl isolate rescue.target”

I have a VM running on VMWare. OS is RHEL 7. I ran the following command and the ssh session also terminated. systemctl isolate rescue.target Now I cannot access the server. Even ping doesn't work. ...
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22 views

VMkernel memory consumed by vSAN

My organisation operates some clusters consisting of three ESXi-Hosts each with VMware 6.5. Two nodes act as HA cluster with vSAN, the third one is the witness. There are only three VMs on the two ...
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2answers
32 views

Snapshots could fail if VM are running delta files?

On VMware 6.5, VMs are running on CTK Delta files, could this causes inconsistency on storage level snapshot?
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1answer
26 views

NUMA and VM sizing on VMware

I thought I understand how to right size VMs into NUMA slots but in this case I am getting more confused. The virtual host(s) in questions are HP DL360 G10 with 2x Xeon Gold 6128 CPUs and 320GB of RAM....
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2answers
108 views

How to create templates in vmware esx 6.7

In the esx 6.7 version, there is no template creation option. I tried this link, but no options available as shown. This is for creating templates, these options also not visible. Please suggest. ...
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1answer
41 views

Disk provison for new vSphere enviroment

I'm deploying a vsphere environment with more than 200 new vm on 20TB datastore and stuck with disk provisioning. Eager zeroed was used before, but for 100 vm it will take a lot of time and i'm ...
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1answer
20 views

What options for specifying IP addresses exist in VSphere compared with NSX?

What knobs are available for configuring the IP Addresses of VMs in vsphere, without NSX, as compared to with NSX? I see in my VSphere clusters that VMs have multiple IPs These presumeably are ...
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23 views

Strategies to compare between 2 virtual machines

I am writing a set of codes with Ansible/Terraform to deploy the same VM which I am already deploying using Bash scripts that interact with VMWare (vSphere 5.5) API. I have searched around how I ...
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1answer
74 views

vSphere Essentials Plus kit licensing issue

I just received the above license from VMware for one of my customers. The VCA 6.7 appliance and the two ESXi hosts were running in evaluation mode. I had no issues to enter the license for the VCA ...
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115 views

Cannot change password on ESXi 6.7 after modifiying “Security.PasswordQualityControl”

See edit below for a workaround and possible explanation According to the VMware documentation (as well as the documentation for pam_passwdqc) I should be able edit the Security....
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Finding a VM to which given disk is connected

Is there a faster way of getting this information than running Get-VM | Get-HardDisk | Where-Object {$_.Filename -eq 'XXX.vmdk'} It takes on average 12-13 secs to get the result in our environment. ...
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Unable to upload a VM from VMware Workstation to Esxi

I have been trying to upload a VM from VMware workstation to VMware ESXI server (Esxi 6.7 A01) I edited the hardware compatibility of the VM to ESXI 6.5 and created a clone. When trying to upload ...
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20 views

VMWare storage usage during consolidation

We current have a bit of an issue where a VM with removed snapshots needs consolidation, but will not complete due to lack of space. It seems like it needs to merge all snapshots into a single file, ...
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1answer
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Building a VM on the ESX hosts own storage

Why is it recommended to build a VM on the shared storage and not on the storage of the host itself?
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1answer
39 views

Do vmware vmids persist across an ESX restart?

I have a 2 node VMWare cluster (Simplivity) which I am planning to do some hardware maintenance on (i.e. switching them off). Hence I would like to cleanly shutdown the VM guests and subsequently ...
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2answers
66 views

VMWare Snapshot issue

So I have a particularly troubling issue left behind by the old IT department. We're running several snapshots in and no one thought to consolidate them, likely because no one was skilled enough in ...
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1answer
34 views

hot added vCPU for linux not used fully in top command

just recently we started to see high CPU pressure on one of our machines. All our machines are running Linux Debian and we use vmware under the hood. We have hot added new CPUs and they're online in ...
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1answer
40 views

networking issue about virtual machine as gateway on vSphere esxi

I have configured ESXi environment as below. plus i use ESXi with vCenter 6.7. And the type of virtual switches is standard virtual switch. Baremetal host - vSwitch0(uplink-ESXi nic0) - Gateway VM - ...
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37 views

FortiGate 60D lan to vlan traffic

I'm trying to configure vlans on my fortigate 60D. I have 4 ports assigned with no vlan, with addresses from subnet 192.168.1.0/24. On one port I assigned vlan 20 with adresses 10.10.20.0/24. I have a ...
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51 views

Zerto Failover - Win 2012/16 Servers Get Stuck on “Getting Devices Ready”

We are using Zerto to replicate our VMs to an offsite datacenter. During our failover tests the VMs have a tendency to "hang" from 15 minutes to several hours on "Getting Devices Ready." I have read ...
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1answer
176 views

Is there a way to send an ACPI shutdown signal to a VM in vSphere

I have some VMs in vSphere running on several ESXi servers. The guests do NOT have VMWare Tools installed and the tools cannot be installed on the guests. The guest OS can respond and do a graceful ...
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1answer
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Cant connect by SSH and Webgui to ESX host

After a reboot of our vcenter server, one of the ESX hosts went disconnected from everything else. I cant seem to connect to it in any way. Ssh doesn't work, and the webgui also don't work. (edit in ...
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2answers
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whats the point in autoscaling containers

We are using vSphere technologies for virtualization and I am tasked with developing a scalable application infrastructure. I'm familiar more with AWS. Doing some research on scaling I'm not sure I ...
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1answer
135 views

Proper way of using VMware datastore extents

In our VMware infrastructure, we have a number of large Windows file servers, with provisioned disk sizes ranging between 25TB and 35TB. Their individual disks are rarely larger than 4TB, with many ...
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23 views

VMWare Integrated OpenStack. Can't reach floating IP addresses

We're running VMWare Integrated Openstack 5.1. Though we can associate a floating IP with an instance, that instance is not reachable from outside, nor can the instance reach the outside. The ...
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1answer
116 views

How to detect vMotion from linux machine + rhel 7.2

We have a couple of Linux Red Hat virtual machines running on top of the VMware ESXi cluster. We aren't sure is vMotion configured or not. Is it possible to identify if vMotion is configured or ...
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64 views

Synchronization time after the Suspend / Power on the VM

I have a problem with synchronize time after the Suspend and Power On, after a while. For show purposes I prepared the following test: Lets say I have 01:43 Local Time, 21:43 Universal/RTC Time. ...
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90 views

how to create a high availability cluster using vmware on ovh hosts with vrack

i am planning to create a smal HA cluster on vmware infostructucture on two dedicated OHV hosts running in the same vrack . I have two question vmware related questions if any body have done something ...
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43 views

Failed to enable VMware vSphere Fault tolerance for VM with virtual RDM

I am trying to enable FT on a VM that has a virtual RDM disk but whenever I do it I got an error message saying "Device "Hard disk" is raw disk which is not supported" but to the best of my knowledge, ...
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2answers
423 views

VM with Windows Server won't boot after restoring from ghettoVCB backup

I'm using popular the ghettoVCB.sh script to backup my virtual server, but I have a problem with restoring virtual machines running Windows Server 2012 (VM with all flavor of Linux OS do not suffer ...
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29 views

Terraform, specifying location for vms on datastore

I was wondering as I couldn't find it in the documentation or I've missed it a lot. I am using Terraform 0.12.9 with newest vsphere provider. My goal is to do a clone from a template and it basically ...
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1answer
78 views

How to detect VMware snapshot presence from within VM?

I want to perform Linux fstrim or Windows degrag retrim on a file system within VM to shrink VMware vSphere thin disks. However this should be performed only if there is no snapshot present as fstrim-...
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1answer
361 views

Script to storage vmotion from one datastore to another

Ive done some searching and could not find what I'm looking for so I am making a post: I would like to storage vMotion from one datastore to another, 10 at a time, and output the vm's migrated to a ...
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0answers
48 views

How do I increase the video memory of a VM running on vCloud Director?

I am running vCloud Director version: 9.8.0.14346364 and I am an org admin. For a particular tenant VM, how do I configure the video memory settings? I have access to the HTML5 client as well as Flex ...
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2answers
430 views

VMware copy cloned image to external hard drive

I am running into difficulties trying to copy a cloned VM in VCenter to an external hard drive. Currently I am running vSphere client version 6.0.0 build 2502222, and vCenter Server version 6 build ...
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0answers
315 views

ZFS volume is not accessible

I'm using FreeNAS-11.2-U4.1. The server is used for storing VMWare vSphere virtual machines. There are two zvols: Lab and Edari. Both of them belong to the same pool, SSD-Storage. The problem is that ...
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1answer
193 views

The remote certificate is invalid according to the validation procedure

my vm backup job is failing with **Job Error**: Failed to create snapshot for LUN NL_Raid6b Details: The remote certificate is invalid according to the validation procedure. **VM Error**: Failed ...
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1answer
782 views

How to configure Kubernetes with multiply NIC / VLAN on vSphere?

Playing with provisioning of Kubernetes cluster on vSphere using Kubespray and Terraform to automate deployment process (no problems with that). My goal is to have ability to connect Pods to ...
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27 views

Why isn't balloon memory swapped, and how does ESXi know its location?

I have two questions regarding the ESXi balloon driver. When the driver inflates on a VM, what keeps the guest OS from page file swapping the ballooned memory? How does ESXi know which host physical ...
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3answers
209 views

VMware volume has fluctuating capacity

We are running four ESXi 6.5.0 VMware hosts, managed vie vSphere web client. Recently, I added a new VMFS 6 volume in our storage, originally created with 2TB capacity, but quickly extended to 3TB ...
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1answer
1k views

Vmware vCenter Server Appliance: [Errno 28] No space left on device and can't enable shell. How to access system and/or enable shell access

I'm running a Vmware vCenter Server Appliance virtual machine that has locked me out of the shell. The web interface has failed. I can view the main screen but when I press F2 to get into the ...
4
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1answer
227 views

VMWare ESXI extremely high write latency

I hope you can help.. this is more of a sanity check just to verify my line of thinking at the minute. We've got a VMWare cluster setup that is networked to a high performance SAN. Everything performs ...
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2answers
100 views

ESXi Fault Tolerance Network Issue - FT traffic flooded?

I've setup a 2-nodes vSphere cluster. Each node is equipped with 4x1GE NICs. I have set a single vSwitch in each node, using all 4 vmnics as adapters and the following ports: Management: vmKernel ...
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1answer
86 views

User/Group Auto Add when joining Domain

I've been in the process of joining our ESXi hosts to the AD domain and have noticed that the group "ESX_Admin" is automatically being added to Permissions on the ESXi hosts. I have found the ...
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1answer
148 views

How to create IPv6 port group on vSwitch VMware ESXi 6.5

I was wondering how to create a IPv6 port group on a vSwitch in ESXi 6.5. I have IPV6 enabled on all the hosts in my cluster, and when creating the port group it does not ask me if it is IPv6 or not. ...
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1answer
201 views

VMware non Persistent Disk

I Have some vms with non persistent disk. Changes made to the disk are discarded after shutdown or reset the vm. Is it possible to discard changes to disk after guest restart or guest shut down? ...
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2answers
112 views

ESXI 6.7: How to only have the management interface accessable on the host machine's LAN?

I have an ESXI 6.7 Host and 6 Public IPs from my colocation provider. Currently one of the IPs is being used to access the web client for ESXI and another is used to access the pfSense router that is ...
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1answer
110 views

How to Identify Disk Location on ESXi?

I have a VMWare ESXi 6.5 installed, and this ESXi is managed by vCenter. I recently need to replace some HDD to SSD, but I am not sure how to "blink" the disk so that I can pull it out safely. Update ...

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