VMWare ESXi is an installable/embeddable virtualization platform based around the ESXi Hypervisor.

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esxi 5.5 datastore went missing, disk still visible

I put the host into maintenance mode, installed some RAM and rebooted to find the guests wouldn't boot. A datastore has gone missing, but I can still see the disk via SSH and the vsphere client. The ...
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157 views

HDD in RDM in ESXi 6.0 really slow performance

I have a HDD configured as RDM in ESXi 6.0 and the drive transfer speeds are really slow. Running a local tool, such as CrystalDiskMark, give normal speeds. But the transfer rate from it to a wired ...
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63 views

VMware View clipboard redirection / PCoIP and Virtual channels

I'm having an issue with clipboard redirection on Horizon View. Here are the GPO settings I'm using: Copy/Paste between the virtual machine and physical workstation doesn't seem to work still ...
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45 views

How to automatically remount iscsi drive, after network errors on Vmware + FreeNAS

Is it possible to force Ubuntu to remount, rescan storage in time manner, to automatically mount it in rw mode? I have a Ubuntu virtual machine on VMware server. And have physical FreeNAS server ...
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82 views

esxcli software remove proftpd

i want remove ProFTPD from my exsi server , but after run command error occur : Command : # esxcli software vib remove -n ProFTPD [InstallationError] Error in running rm ...
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59 views

Invoking shell commands using vmware cli or esxcli

I want to find out the ssh private key length on the esxi server. There seems to be 2 ways to do this. openssl rsa -in /etc/ssh/ssh_host_rsa_key -text -noout | grep "Private-Key:" ssh-keygen -lf ...
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35 views

Can I get Vsphere cluster networks (and thier details) using Ruby?

(On linux) I am looking for a way to get my VMware Vsphere networks details using a Ruby script. I tried to find a way using rlane/rbvmomi on [1]: https://github.com/rlane/rbvmomi but I could nt ...
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40 views

Applying Host profile wipes out IP Address on my ESX HOST

I have 5 ESX hosts – All the hardware is identical. I have rebuilt 3 of the 5 hosts without issue. I am working on the 5th and running into issues when applying the host profile. I am applying the ...
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78 views

vSphere Cluster no failover

I've inherited a 2-node vSphere Cluster (vCenter appliance in the cluster). We recently had one host crash during working hours. My understanding with a vSphere HA Cluster (and like any cluster) when ...
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73 views

Can the veeam FastSCP tool be pointed at any SSH server?

The FULL veeam backup suite has a "Linux Target" option where you can point the backups to a Linux server over SSH - but it really has to be a Linux server, and it has to have perl installed and sudo, ...
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117 views

PySphere ESXi 5.0 Python VM Provision

I found this tutorial on creating a vm with Python. http://jensd.be/?p=370 I'm stuck on the bit about "esx_host" I tried the IP of the ESXi server and 127.0.0.1 and the script errors saying it ...
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67 views

Hidden network after cloning Red Hat

I have a bizarre network problem with Red Hat. I have a virtual RHEL6 guest machine running on a ESXi 5.5 hypervisor. The VM is a clone of a base 'template' I created. The problem is there seems to ...
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107 views

Backing up VMWare VMs to a Linux server using FastSCP from veeam

My goal is to back up VMWare ESX/ESXi VMs to a local fileserver. The local fileserver is either a plain old Linux system with SSH or a FreeNAS system. Both of those systems would accept scp/sftp ...
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87 views

esxi host remote driver update?

We have a Power Edge R410 Server which is running on VmWare ESXi. Recently my boss has been making an update from 5 to 5.1 and the datastore has been gone. We try to recover and seems like the problem ...
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48 views

Cannot connect VMWare VMs to datastore ISO but can connect to same ISO on local PC via Console

VMWare 4.0U4b (I know...) I am unable to connect new or existing VMs to ISOs contained on any of the datastores. I was able to however boot from an ISO on my local PC connected via the Console. I ...
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91 views

ESXi 5.1 Windows Server 2003 Guest 32-bit Installation boots to GUI but claims that it can't access the medium to install?

I've tried changing the settings on the iso and it just won't let me install it: "Setup was unable access files needed to continue. This should be caused by an error on the CD Media or the CD is ...
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36 views

Automount old array in VMware ESXi 5.5 (free)

Background: Using the free ESXi, we had problems with corruption in the VMware OS files after an array failure. Because of large volumes of data and limited time (this is a production system), and ...
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19 views

EC2 UserData analog for Windows on ESXI

Are there any analog of the ec2 user data for the Windows on ESXI? I want to solve following task: when new instance starts at the first time on ESXI hypervisor it need to be bootstraped with some ...
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124 views

“A virtual machine fails to power on with the error: Thin/TBZ disks cannot be opened in multiwriter mode” - after disk size change in client

I tried to increase the size of my clustered virtual disk (2 vms) though the vSphere client. Big mistake apparently. Now when I attempt to start the vms, I get "A virtual machine fails to power on ...
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26 views

VMware CLI cannot seem to find where to create VM?

I have installed VMware CLI 5.5 on a CentOS box to bash-script VM functions, including creating VMs. I can not find the right command to create a VM. Has anyone created a VM using esxcfg or ...
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52 views

ssh server stops on ESXi 5.5 for no reason

I have a ESXi host that I have never been able to access via ssh. I have tried every tutorial I can find on enabling ssh via the command line and the vSphere client to no avail. I enable the ssh, ...
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249 views

What happens on an SQL Server when a snapshot is taken by VMWare?

Recently I saw in our SQL Server logs that a snapshot could not be taken at the specific time and he retried it later on. During that timespan we had a huge performance problem. Besides the SQL Server ...
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14 views

EXSI4.0. 2 different kernels - one boots other locks up immediately, how to check initrd difference

I have a ESXI4.0.0 (v4) host, where I am trying to install a guest. The host machine is a regular Intel PC. I have 2 different ISO images (heavily modified version of SLES for a commercial product), ...
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304 views

Replacing failed drive on a ESXi host

I have a failing drive on my ESXi 4 host and I'm going to replace it. There is no fault tolerance (RAID), each drive on its own. I'm planning do offline dding old drive to new one but I'm not sure ...
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94 views

VMWare - NAS - Setup

We're a new company, setting up infrastructure to support our service arm. For this project we have .. Three hypervisors running ESXi 5.5.0 A Synology NAS device. Permission to do what needs to be ...
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94 views

A VM on VMware goes back on time on reboot

This is strange, I had cloned a base build VM and had it running for 3 days, starting from October 6th. Due to a maintenance issue, had to reboot the server and found it had everything lost. No ...
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107 views

Local storage for Server 2012 file share under ESXi

I have an ESXi 5.5 server with two local disks, one is 300GB and the other is 2TB. The configuration is for a small organization that will have two Windows 2012 servers - one Domain Controller and the ...
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54 views

How to find mpx (disk name) for kickstart script

I am trying to install ESXi 4.1 to a USB (embedded installation) using a script. I red the VMWare documentation and I believe I have to specified autopart --disk with the USB disk name. This is my ...
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150 views

Agent converter Error ColdClone P2V to ESXI 5.5 server

I am Trying to convert a machine in a coldclone environment, because the current vConverter software does not support the raid system on a machine. Thus, i do not want to disable it. After reading ...
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445 views

VMWare use of Gratuitous ARP REPLY

I have an ESXi cluster that hosts several Windows Server VMs and around 30 Windows workstation VMs. Packet captures show a high number of ARP replies of the form: -sender_ip: VM IP -sender_mac: VM ...
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817 views

ESXi 5.5 Unable to connect to a ESXI

I've lost connection to several ESXi 5.5. First, I saw they lost connection with vCenter (5.5 SLES Appliance). Then I tried to connect directly to the ESXi using the vSphere Client, and got Error ...
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205 views

NTFS Share vs. NFS Datastore on VMware 5.5

I am currently using Physical Server 2012R2 of 10TB RAID5 mapped as a NTFS share to the Virtual Machine, which is a Camera Server 2012R2 hosted on VMware 5.5. Storage Server is used only for all video ...
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250 views

ESXi 5.5 crash on passthrough

HW: whitebox i7-4771 on gigabyte Z87X-UD5H, Adaptec 6085H sas controller VT-d and VT-x enabled in bios. Problem: Freshly installed ESXi 5.5 update 1 Mark sas controller for passthrough, reboot ...
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230 views

Untangle running on ESXi sending tagged VLAN to Cisco switch not working

basically here is my setup: [Host A] = A hypervisor running ESXi 5.0 [Switch A] = A Cisco 2960-S Series 48 port switch [Switch B] = A Cisco 2960-S Series 48 port switch [P-Router] = *A physical ...
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2k views

Server 2012 slow performance on ESXi 5.5

I'm having performance issues with a virtual Server 2012 that is installed on an ESXi 5.5 (HP-ESXi-5.5.0-iso-5.71.3). The hardware server is an HP ProLiant DL380p Gen8. The server 2012 is acting as ...
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449 views

VMware ESXi RDM Shared Disk and Multipathing

I have set up a RAW mapped storage device which is shared between 3 VMs. In the guest OSs the disk shows up fine but when I try to set up multipathing I can only see one path. In the virtual machine ...
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75 views

Migrating a VMware ESXi 3.5 image from one server to another

The primary reason we're migrating is to keep all our configuration settings ... php, mysql, Apache Solr ... the same when we change servers. The existing server is behind a firewall and that's all ...
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250 views

SSH not working when called by automated script

SUMMARY: My script which includes ssh runs fine from the command line but the ssh part does not work when the script is called by an an automated daemon (apcupsd). DETAIL: I've got an ESXi server and ...
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1k views

ESXi 5.1 SCSI and NMP Errors Filling vmkernel.log

On a group of ESXi 5.1 systems, I am seeing the following errors every 5 minutes or so: 2014-04-04T11:22:45.374Z cpu1:8193)NMP: nmp_ThrottleLogForDevice:2319: Cmd 0x1a (0x4124022be3c0, 0) to dev ...
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159 views

Command to add permissions to user under ESXi 4.1 via console

So I don't have to give them the password for the root account, wich is shared with other services, I need to add administrator rules to another user in several (30+) ESXi 4.1.0 servers. Creating the ...
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109 views

2950 internal backup SATA drive

We have a Dell 2950 II with 4 76GB drives in a RAID 10 configuration, running ESXi and 5 virtual machines. The RAID controller is Perc5/i. There is a low transaction rate, so this gives us minimal ...
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150 views

Boot disk with VMFS read/write driver

I want to rule out the ESXi kernel being the cause for my terrible 15MB/s write speed on the local VMFS datastore. I am using a Dell PERC H710 RAID controller, and would like to boot from a boot disk ...
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1k views

how to “configure host” in MegaRaid Storage manager 13.01.04.00

I have created a virtual machine on ESxi host and installed Megaraid Storage manager on the virtual machine. i can see local host dicovered on MSM but when i configure Esxi host ip and try discovering ...
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84 views

Adding Storage to ESXi host in lab environment

I currently have a lab environment set up with 2 virtual machines running on a server 2012 hyper-v host. One being an esxi machine and one being a server 2008 machine that has the Vsphere management ...
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303 views

Computers Suddenly Lost Connection to SBS 2008 Server

I am having an issue that I could not explain myself in the entire of my career. The issue is when the entire computers just randomly and suddenly lost connection to the server, running Windows Server ...
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72 views

SANHQ iSCSI network access

Trying to setup and configure SANHQ on a virtual server. Network I have patched 1 vmnic from each ESXi host into the iSCSI switch and configured the switch ports to access the same vlan as the san. ...
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161 views

vmware disk import from virtualbox

I imported a virtualbox machine into vmware ESXi 5.1. I did this by using converting the disk image by using 'qemu-img convert vbox-machine.dsk -O vmdk vbox-machine.vmdk' I then created a vm guest in ...
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143 views

ESX: allowing users to snapshot VMs without vSphere Client Access

I am using ESX (latest free version 5.X) to host multiple VMs (mainly Windows with some Linux). Users will have control of these VMs and should be able to snapshot them, however I don't want to deal ...
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974 views

iSCSI strange write performance from ESXi to QNAP TS559 and TS869

I have a strange performance issue with VMWare ESXi 5.0 and QNAP NAS (I tried with both a TS559 and a TS869 with the same result). The issue is this: I enabled iSCSI on the QNAP and created a ...
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305 views

NFS export has an incorrect mapping

I am attempting to share 2 USB drives over NFS on a linux machine to an ESXi host as 2 different datastores. When I connect to NFS server using either the ESXi host or another NFS client, I can mount ...