VMware ESX is an enterprise-level computer virtualization product offered by VMware, Inc.

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ESXi 4.0 - cannot copy files

I am unable to copy files or make directories on my installation of VMWare ESXi 4.0. I have done so in the past (copied an iso onto a datastore). But something has changed and I have no idea what. I ...
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81 views

Scheduler spikes single core on SMP Ubuntu vm under ESXi

The setup is as follows. Ubuntu-11.10 VM running on an ESXi host. The VM has 3 vCPU assigned. When running dump (to backup the harddisk) it seems all the processes are assigned to the first vCPU. As ...
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512 views

EMC ESRS stops working when it is VMotioned

EMC is on site and told me: The ESRS SAN monitoring solution will cease to function if that host is VMotioned In case anyone doesn't know, the ESRS is a dial home solution that works over IP. ...
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227 views

using vmkfstools to move a snapshot

I am trying to move a snapshot from an esxi 5.0 vm to another datastore, but when I tried to use the datastore tools I got the following error, "error caused by file" with a path to the vdmk file. So ...
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246 views

Replication with Veeam causes timeouts on large VM's

I have been trying to replicate two of my larger VM's one being Exchange 2003 and once the snapshot begins to commit the server begins to time out. I have updates my ESX hosts from 4.0.0 to 4.1 and ...
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184 views

ESX + Sysprep.inf + Template= unhappy computername

I am trying to create a template in ESX that I can automate with PowerCLI. Everything works great so far, but because I have some specific settings, I had to create my own sysprep.inf. Now, the ...
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734 views

Need to know how to change ip address and hostname after deploying OVF template

In ESX, I export OVF of my VM (configured as dhcp). Then In another ESX, I use "deploy OVF template" from file menu. My new VM appears working, except I could not change the IP address and hostname. ...
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131 views

Temporary VMWare SRM failover

I have a small SRM recovery plan for a few "core services" VMs on an EqualLogic unit replicating between two data centers. I'd like to perform some planned, temporary failovers to keep these VMs ...
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557 views

esx4 vmfs3 raid rebuild

I have a ESX 4.1 Server with a storage on RAID 60. After the rebuilding of the RAID the vmdk-files are not working in my VM. On starting VM I have this error: Cannot open the disk ...
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248 views

ESX Firewall Command Troubles

I am working on creating some firewall rules to stop some of the SSH brute-force attacks that we have seen recently on our ESX server hosts. I have tried the following rules from the CLI to first ...
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370 views

VLAN help on ESX 4/vSphere

I setup a new VLAN with ID 153 in vSphere for my ESX4 server. The VLAN is setup for virtual machines and then I added a new NIC to the VM I want to be able to access the VM. The NIC is added to VLAN ...
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how-to: ZFS design and cache tuning : ARC, ZIL

storage system in consideration from below h/w lying idle: 6 x 300GB 10K SAS; 2 X 146 GB 15K SAS; 12GB DDR2 RAM; Xeon CPU 2.5Ghz two 1GB NIC ports 1 - DLink 1GB ethernet switch (1000/100 MB) 8-port ...
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498 views

Windows 2008 R2 freezing when more than two VMs started

I have an interesting problem. I am runnnig ESXi 4.0 Update 1. Windows 2008 R2 runs fine with VMWare tools (without the SVGA driver). Once I start a second Windows 2008 R2 server, they randomly lockup ...
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266 views

Web based console connections not working in Windows 7 posted: Jan 20, 2010 8:55 AM

For slightly complicated reasons we tend to give people console access to VMs via the webui. This has worked fine in the past, however when the users update their client machines to Windows 7 (or ...
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60 views

VMware Grails application on one VM can't access MongoDB on another VM

I have two VMs in a VMware cloud that belong to the same VApp and so are behind the same edge gateway. The both have their own different internal ip addresses but I route services from the outside to ...
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339 views

Disable VMware BIOS Legacy Diskette

In the main tab of VMware BIOS setup utility there is an option to disable "Legacy Diskette A" (and B). Which is the option to get this by means of the vmx configuration files? I tried: ...
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94 views

How to determine VMware ESX server requirements for n VMs?

I am going to buy a high-end server for my department's daily usage. On this server, I am planning to launch 2 DB servers, 2 Application Servers and around 10 ordinary development PCs on the VMware ...
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153 views

VMware ESX 3.x: How to connect two ESX server to a single VMFS datastore on SAN

I'm generally a networking guy but I'm trying to learn VMware. I'm running two ESX 3.x servers with virtual center. I know that it is possible to create redundancy or high availability by configuring ...
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63 views

SNMP OID for VMware Tools on a virtual machine

I have an ESXi host running several VMs. I use snmp to query that host for information. I need to find if VMware Tools is installed on some virtual machine. Is that possible? and If so, which OID is ...
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139 views

Vmware 5.1 ESX linux host cpu keep climbing overtime

I have Debian lenny with php and mysql, in Vmware 5.1 ESX. Cpu keeps climbing over time. After about 50 days, cpu usage is 100% by apache and mysql but it is climbing day by day. If I restart these ...
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569 views

vSphere 4.1 Client “Cannot complete login due to an incorrect user name or password” with new AD accounts

I've got a VMWare ESXi 4.1 server connected to a vCenter server, with an active directory domain. This has been in place for at least a couple of years, perhaps more. Using the vSphere client 4.1, ...
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481 views

Add Zabbix S.M.A.R.T. monitor to ESXi 5

I have a ESXi 5.1 host with 3 Hard Disk (1 SSD, 2 Magnetic) and I want to monitor them, especially for the S.M.A.R.T Data, that is critical and preannunce an HDD break. Since I'm really unfamiliar ...
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159 views

Since I migrated vCenter to 5.1, some vms are migrating again and again

Yesterday I upgraded my vCenter to the last version 5.1 and I had to reconnect the hosts (running esx 5.0, last patches) Since I migrated, 5 vms (always the same) are vMotionned from host to host and ...
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484 views

VMware - Broadcom 1000Gbps NIC does not link at 100Mbps to a Cisco switch port

Today we've stumbled on a very awkward situation with our VMWare Server. The server is with ESX 3.5 that has a 1Gbps NIC. We bought a brand new managed Cisco Linksys switch with 10/100Mbps interface ...
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45 views

How to make sure file in VM's folder is copied with VM when cloning VMWare Virtual Machine

I am running a vmware environment (Version 4 unfortunately) which requires me to use a bios rom file in order to run server 2012. I upload it to the root folder of the VM after creation, before boot ...
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31 views

PowerChute with ESX - how to start the VMs

I have a setup with a couple of ESX servers and two APC UPS. The ESX servers are govern by vCenter and I've deployed vMA (provided by VMWare VM) on one of the ESX hosts and configure it to target both ...
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124 views

ESX NFS error "Cannot open volume: /vmfs/volumes/

I'm trying to add an NFS share to my ESX 5.5 server. When I try to add the share, I get the following error: Call "HostDatastoreSystem.CreateNasDatastore" for object "ha-datastoresystem" on ESXi ...
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42 views

Unable to mount datastore on second ESX 5.5 host

I have configured 2 ESX 5.5 hosts on my new Dell VRTX. I setup the virtual storage, assigned full access to both hosts, and was able to format and attach it to ESX1 without an issue. Unfortunately I ...
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974 views

Why does RDP freeze on Windows Server 2008 R2 in a virtual machine during high load?

We have noticed a problem where remote desktop sessions to a server will freeze when the server has high CPU load. Environment: VMWare ESX 4.0u1. Guest OS is Windows Server 2008 R2 (this is the ...
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178 views

Foreman and ESX Integration, docs and examples; rolling out VMs

We're seeking a scripted/automated solution to facilitate rollouts of VMs in a uniform manner. Since we use Puppet, Foreman is of interest. However, there doesn't appear to be documentation (yet?) ...
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189 views

Why does Ruby on Rails run slowly on VMWare

We are experiencing slow performance of our Ruby on Rails application on a hosted server. Neither us nor our hosting provider have been able to accurately diagnose the reason for this. Indicators of ...
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81 views

VCenter Upgrade Does not work

Task/Details We need to upgrade our Vcenter enviornment from v4.1.0 Build Number: 799345 to v4.1.0 Update 3 Build Number: 816786 Problem After backing up the database and the SSL certificates we ...
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717 views

How to redirect a Hyper-V COM port named pipe to a file?

I would like to redirect the serial port output on RedHat 5.7 to some recordable or reviewable medium. The normal way to do this on a physical machine is to add the console parameters to the kernel ...
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317 views

MPIO in a VSphere ESX 4.1 cluster with an Equallogic PS4000

I'm having an issue with a client of ours. We've set up Round-robin multipathing to their san from their ESX cluster, we have it configured so that two NICs on each host are added to a port group, ...
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97 views

How to collect api the “CPU Ready” statistic for each VM on ESX on an OpenSolaris box

I'm on an OpenSolaris box and I want to monitor the VMs on an ESX box. VMware has a remote tool kit in perl for linux and a remote esxtop for LINUX, but is there a way to collect ESX statistics on a ...
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368 views

Windows 2008 R2 Capi 2 errors

We have a couple of Windows 2008 SP2 servers running on a ESX 4.1 host. The problem is they have started to report are CAPI2 errors such as; Log Name: Microsoft-Windows-CAPI2/Operational ...
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269 views

ColdFusion 9 Cluster on VMWare

We're running several VMWare VM's and we have a strange behavior with a ColdFusion 9 cluster. When the VMs are running on the same ESX, the sessions are shared between the different instances. When ...
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142 views

How to change root password on ESX without causing problems with Lab Manager

We have an ESX server which is managed via VMware lab manager. When the root password is changed on the vmware ESX machine, this causes problems with lab manager, it gives errors for each VM about the ...
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190 views

VMWare ESX4 snapshot failing with “file is larger than the maximum size supported”

I created my virtual machine hard drives with thin provisioning at the maximum of the block size (256gb for 1mb blocks) and then tried to snapshot them, failing with the error "file is larger than the ...
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20 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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31 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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23 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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48 views

Is it possible to virtualize a Genband/Broadsoft M6 voip telephony system?

I work with a company that runs a hosted VOIP platform originally known as the Genband M6 acquired by Broadsoft a few years back. This system is going end of life March 2016 and will no longer be ...
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121 views

PowerCLI Move-VM Returns failure but vm still moves

I have a script that is moving VM's from one datastore to another. I have other logic to protect the Storage backend and fabric from over subscription and to wait to submit new requests at specific ...
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84 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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29 views

vSphere 5.1 and iSCSI multipathing

I have a problem in configuring vSphere Cluster with iSCSI multipathing. Host in cluster have four physical interfaces. Host have four vmk interfaces for iSCSI, which mapped to individual physical ...
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19 views

Auditd on VM - disappearing rules

I have FTP virtual server on ESX with two virtual hard disks. That hard disk is a vmdk files on data store, not on local storage of VM host. One virtual hard disk is for system, second for FTP shares. ...
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45 views

SQL server HA when running with PCI Flash device

I want to purchase a PCI based Flash storage device for our ESXi server hosting our SQL Server machine. We use SQL Server 2008 standard edition. storage is on Netapp via NFS. It is a VM (ESXi 5.1) ...
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60 views

VMware ESX/i syslog content

I am working on an expansion of our monitoring footprint, and we are currently looking at including data from our visualized environment. As our monitoring license is based on logged volumes, and we ...
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95 views

esxi 5 web console modifications

I have been a bit perplexed by the whole "web console" for esx 5. I" I hope to add a few html pages and some python scripts server side to the "welcome page" so that I can have a self contained ...