Questions tagged [vmware-esxi]
VMWare ESXi is an installable/embeddable virtualization platform based around the ESXi Hypervisor.
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Changing vCenter FQDN will affect to connect esxi servers?
I'm planning to change the fqdn (e.g vcenter.abc.com to vcenter.def.com) of vcenter server that connected with three ESXi servers. I want to know if I will change the fqdn with another DNS server in ...
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Vmware Esxi - Old 32bit software performance issue on multi core
I've been going crazy for 2 days now and I'm asking for help.
I have a program developed in delphi (early 2000s about) that accesses a firebird v3 database, currently installed on the same machine (...
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What kind of services does ESXI SLP port advertise to locally connected hosts?
I got enthusiastic about the last exploitations of ESXI CVE-2021-21974 (heap overflow exploitation). After researching the SLP service, which is the weak point in this CVE, I tried to turn it off, ...
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Cannot find the vmdk file to convert
I'm tasked to convert some VMWare virtual machines (which I know just a little about) to Hyper-V. I know I have to convert the .vmdk file of VMWare to .vhdx format.
The issue is that I can't find the ...
user394660
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Why is the clock out of sync on this VMWare Linux guest?
recently I noticed that the clock on this RHEL system running on a VMWare guest has gone seriously out of sync (uptime is about half a year):
$ timedatectl
Local time: Sun 2021-11-07 09:54:12 ...
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What can I do with a custom TCP/IP stack in ESXi?
With custom TCP/IP stack, you get following benefits:
Separate Memory Heap.
Personalized ARP Table.
Personalized Routing Table which helps avoiding routing table conflicts that might appear when many ...
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What's the correct way to set the time on ESXI hosts?
I tried doing it through cli with the following command:
esxcli system time set -d 3 -M 11 -y 2021 -H 14 -m 10 -s 0
But after restarting a guest OS (Windows), the time on it resets to the wrong one ...
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why a fresh ESXI installation only uses half of my SSD storage?
I got a very weird problem when installing ESXi-7.0 U3:
My SSD size is 256GB (or 238GB actually, it doesn't matter)
But after installation, login to ESXI, it only shows capacity of 110GB!
So how comes ...
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ESXi on KVM - Can't find network drivers
I'm trying to install a .iso on KVM using virt-install successfully - however from 2 disk images (one Debain, the other ESXi) I am not able to attain network connectivity.
Here's some output trying to ...
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ESXi Host backup including extra vibs
I have a licensed ESXI Host with a couple of extra vibs (Chelsio, NVidia, dell) installed. I also have vcenter standard. More that I like to I discover that I have to reinstall the host, e.g. VMware ...
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Active Backup for Business external VM
I am currently playing around with "Active Backup for Business" and an esxi Hypervisor hosted EXTERNALLY by "Hetzner", a Cloud provider.
My goal is that when one of my servers fail ...
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disks for a small esx-host: ssd raid5 or hdd raid10? [duplicate]
I am about to replace an ESXi host that runs some 20 VMs (mostly idling).
Today around only 800Gb is used on an external iscsi-box, raid6 (total 7Tb).
The new server will just simply have internal ...
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Dell R530 Broadcom NetXtreme tg3 nic limited to 12 MBytes/sec
I have an older Dell R530:
Manufacturer Dell Inc.
Model PowerEdge R530
CPU 16 CPUs x Intel(R) Xeon(R) CPU E5-2630 v3 @ 2.40GHz
Memory 63.78 GB
it has 8 NIC's, 3 of which are tg3, Broadcom ...
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Make ESXi use DHCP DNS
My ESXi host is no longer getting DNS from DHCP server, it caches an IP that was set a very long time ago.
esxcli network ip interface ipv4 get
returns
Name IPv4 Address IPv4 Netmask IPv4 ...
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Booting BIOS WIM / ISO Capture files in UEFI Mode
We're in the process of upgrading ESXi from an older version that only supported BIOS boot mode and I've got some questions around Windows Images (wim files) that we've captured from those VM's that ...
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Having one ESXI VM serve DHCP addresses for two VLANs?
In our office, I want to create two different networks. Depending on which LAN socket a cable is plugged in, I want the device to receive an IP in a different subnet.
I have a server running VMWare ...
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Remote Access ESXI,what should i do for remotely access it at home? [duplicate]
what should i do for remotely access it at home?
Im trying to learn a few things about Virtualiztion. Ive been able to install ESXI on a host at office and can access it through vSphere client locally
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Moving w2016 image from ESXi to KVM gives message "No Bootable Device"
I'm trying to move a windows server 2016 image from ESXi to KVM, but I'm receiving the error "No Bootable Devices" when I try to boot it.
Here's the output of the command "virt-...
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How to get PhysicalLocation disk on Windows 2022 like on Windows 2019 via powershell
On Windows Server 2019 i usage Get-PhysicalDisk | foreach {$_.PhysicalLocation} its return SCSI0. This is exactly what I need. But on Windows Server 2022 its return PCI Slot 160 : Bus 3 : Device 0 : ...
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vCenter in a ESXI host that it manages
We have 2 physical servers (A and B), each with ESXI 7.0 installed. We'd like to manage them with vCenter. Can we install vCenter on one of those servers? Is it advisable?
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Unable to connect to ESXi NFC (902) from one particular LAN segment
I have an issue with Veeam Backup & Replication backups failing because the Veeam proxy servers cannot connect to the ESXi host over port 902 (NFC). The ESX hosts are on VLAN65 and the Veeam ...
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VMDK disk became read only & how to avoid such this cases on rhel machines
we have Kafka cluster with RHEL 7.6 , all Kafka are VM machines
on one of the Kafka machines , we noticed that sdb disk became read only ( when sda is the OS disk )
mount | grep sdb
/dev/sdb on /var/...
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ESXi v in v setup - distributed switch kills all interhost communication
On all distributed port groups I disabled all security settings and set everything to promiscuous.
I've got a setup I built where I have three virtualized ESXi hosts. Their management vmkernels were ...
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ESXi installation PXE boot with GRUB on BIOS (not EFI)
all documents mention syslinux/pxelinux as a way to pxeboot ESXi installation, but I'd like to stay with GRUB 2. How to do that?
I'm able, of course, to load GRUB 2 via network (i386-pc/core.0 for non-...
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What is "esxcli network nic attachment add" used for in vSphere 7.0+?
In vSphere 7.0's doc it has a new CLI command:
Command: esxcli network nic attachment add
Description: Attach one uplink as a branch to a trunk uplink with specified VLAN ID.
Options:
--branch | -...
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Something is closing connections in my CentOS VMs - how to best troubleshoot?
I have a setup with 3 VMs (1 application server on CentOS6 and 2 database servers on CentOS7). The last 1-2 weeks we have had issues with timeouts when connecting to the database servers (and between ...
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Providing cloned virtual environment to multiple clients
I have a virtual environment created with vmware esxi consisting on a ipfire and a internal network with some vms.
What would be the best way to clone this environment, on demand, so each client could ...
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Debian 10 guest freezing on ESXi 6.5
I have an ESXi 6.5.
Windows and CentOS guests are running fine but my 3 Debian guests freeze after a moment (4 days to 1 week).
Nothing responding, i need to reboot the guest.
The logs files of the ...
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vSphere PortMirror: What does "Source/Destination" mean as in "Remote Mirroring Source" and "Remote Mirroring Destination"?
The following is from vSphere's admin doc:
To begin a port mirroring session, you must specify the type of port mirroring session.
Procedure
Browse to a distributed switch in the vSphere Client ...
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VM Server goes shutdown automatically after every one Hour in ESXi Host [closed]
My Host server is ESXi where I have three virtual servers. These virtual servers automatically shuts down continuously after one hour.
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Show guest memory utilisation in vCenter
Is it possible to record and show the amount of memory that a Windows guest OS is using in vCenter? In this blog post VMware recommends using the guest OS memory counter for capacity planning. However,...
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How to patch vmware-esxi via vcenter
Our company is using a single vmware-esxi host (vmware-esxi v6.5) which hasn't been patched since installation. The VMs are a windows server and a vcenter appliance.
Using Update Manager I attached ...
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Changing Vcenter and Esxi IP's
Guys I have a Vcenter with lots of Esxi hosts and all of them have public IP addresses in their vmkernel's (managment) and now we need to change all of them to private IP is there any easy way to do ...
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rebuild a vmware machine in KVM with an .ova file
I want to run vmware PKS in a KVM virtual machine and have the official .ova file as a starting point.
I am aware of the conversion from .vmdk --> .qcow2 basically but am still struggeling with the ...
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Are there hooks for Windows Updates?
It would be really neat to be able to attach a "blocking hook" to when a Windows Update gets installed so that I could take a snapshot on an ESXi of the machine in question before the update ...
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VMWare ESX - Hot add RAM does not showing the new value inside Windows Server 2016
I have VMware ESXi, 6.7.0, 17098360 server in my environment. Recently I tried Hot Add RAM with one of my Microsoft Windows Server 2016 VMs.
I successfully increased from 16 GB to 24 GB but inside the ...
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Reinstalling ESXi - How to retrieve data
I have lost my ESXi password and I want to reinstall the ESXi server. How can I get the Vms up and running after installing ESXi since I am using Physical SAN to store them (including Vcenter). Please ...
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ESXi/vSphere how to create nic team
I have essentially zero experience with ESXi/vSphere, sorry in advance if this may sounds obvious for some of you. I have installed ESXi/vSphere 7 on my server and I need to set up a nic team with the ...
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ESXi Password recovery
I got an issue regarding lost ESXi lost password. I tried a method to reset it using linux by modifying a shadow file but still I cannot login (I created a test server and tried this method it was ...
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Is it secure to still using an old version of VMWare ESXi for production after support ends?
I'm on a small sized business in which they own a HP ProLiant DL380 G7 Server for production.
We would like to use a free license version of ESXi which is the version 6.7 U3 because we can't run ...
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VMWare ESXi + LetsEncrypt - SSL certificate renewal
With VMWare ESXi (I'm running ESXi 6.7), I'm regularly go through an SSL issue. Chrome & Firefox do not allow self-signed certificated provided by internal VMWare system.
In my case, the only way ...
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Can't access ESXi console after restart, vCenter is powered off
We have a vCenter 6.5 U3 hosted in one ESXi 6.5 U3, the host got restarted and vCenter wasn't set to automatically start, now vCenter is powered off and something is preventing us to log on ESXi.
If I ...
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vCenter network setup
Following design to be applied:
ESXi Host standalone
vCenter deployed on ESXi
Network-Config ESXi:
Config vCenter:
Error-Message:
Problem:
I want to have the vCenter management enabled on the ...
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is there any deployment automation software that can create an encrypted vm in esxi?
I recently felt the need to encrypt my esxi vms and tried to find some way to do it with terraform but couldn't find an option for that in the documentation so I looked into ansible , chef with no ...
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Email alerts about RAID hard disk errors from HPE ProLiant server with iLO
I am looking for a way to get email alerts about possible RAID hard disk failures from the HPE ProLiant server running the free version of ESXi.
Has anyone used iLO successfully for this with the ...
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ESXi 6.5 During Installation - when typing ROOT Password, Characters are repeated
All.
I have never had this issue before.
When I get to the Root Password during the installation of ESXi 6.5.
I start typing, and it repeats the characters, and at times it will do it indefinitely, ...
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ESXI - autostart - stop delay - where to configure
I have a (stupid) question about autostart in ESXI (currently 6.7). There is a stop delay which as I understand kill VM if it wasn't able to properly shutdown during that time. But there are two ...
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It is possible to replace a flat.vmdk file with a older backup version of the file?
We have an vmware (6.0) machine that uses vmdk-files. There are flat.vmdk and delta.vmdk files.
The files are dated with 27.05.2021. As far as I know, the flat.vmdk are read only and did not get ...
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Reasonable VMware Memory Overcommit Ratio? [duplicate]
As a "rule of thumb" what is considered a balanced VMware memory overcommit ratio?
I could find official guidelines for vCPU:pCPU ratio but not for vMemory:pMemory.
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vCPU/pVCPU Calculation
I am trying to calculate the vCPU/pVCPU information in Dell PowerEdge MX740c using the Intel Xeon Gold 6148 Processor (SKU 6148) with Hyperthreading.
Does this seems correct?
pCPU Calculation
(# ...
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