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

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How can I troubleshoot inaccessible NFS datastores in ESXi 5? [closed]

I've been having some trouble with my virtual machines the last few days. When i fire up vSphere the NFS datastores intermittently appear offline / inaccessible. The NFS shares are on my Windows Home ...
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1answer
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vmware esx 4.1 cant see existing SAN storage

I have 3 esx 4.1 hosts connected to HP EVA 4400 StorageWork. All host can see 6 datastore, LUN1 to LUN6, 1TB for each datastore. Recently I add another esx 4.1 host but unfortunately this now host ...
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Is it ok to team NIC's from different vendors together in VMware ESX?

I want to achieve the best performance with my two servers (SAN and ESX). I have good RAID (LSI, SASes), that is showing 1GB/s result, so the bottleneck now is network part since I have only two NICs ...
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VMWare SQL 2008 R2 Windows 7 High memory usage

I have a windows 7 64 bit installed in a VM which runs SQL Server 2008 R2 and IIS7. The server itself has 12 gigs of memory and is equipped with a dual core intel xeon @ 2.50 GHz. The problem (I am ...
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221 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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713 views

after remove snapshot, virtual machine got blue screen when boot up

My ESX 4.1 was running out of disk space so that I try to delete the snapshot, it seems that the snapshot was not remove completely so that the SBS2011STD-000005.vmdk still exist then I remove the ...
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4k views

What happens when a disk fails in LVM?

I am configuring a linux server on an ESX 4.1 host. This server needs to have several TBs of data stored on it. We are currently debating whether or not to use LVM. Our current reasoning is that is is ...
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244 views

Am I able to restore individual mailboxes/messages when backing up VMDK of Exchange 2010 on ESX with BackupExec?

We are running Exchange 2010 on a VMware infrastructure, and backing up with Backup Exec 2010 using ESX licenses. I was led to believe that even though we are backing up entire VM guest images, ...
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VMWARE V2V migration without shared storage

I would like to do the following: Take Physical box running w2k8r2 and Sql2008R2 and do a P2V on it to a 4.1 Enterprise licensed cluster. --no worries here, I can do that part-- Take the existing ...
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How can I setup vSphere so that VLAN tags are not stripped at the vSwitch?

I am trying to test a VLAN-related networking issue, so I thought that firing up a couple virtual machines would be the easiest and cleanest method to test the problem. On the vSphere server I ...
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193 views

Can VMware close for port 68 UDP for all clients?

A typical problem on networks is that someone setup a DHCP server by mistake, and the entire network goes down. Is it possible in VMware to close for port 68 UDP for all clients? That would ensure ...
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Is vSphere Web Client (Server) available on linux?

Is vSphere Web Client (Server) available on linux? Based on vSphere 5 Documentation Center it seems to me that only Windows platform is supported. It would be great not to run Windows in VirtualBox ...
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924 views

Can an ESX server under heavy load cause cpu spikes on guest VM's?

So we have a number of vm's running on an ESX 4.1 server for product testing. The ESX Server is at times under heavy load. We've been experiencing high CPU levels during some use cases, but we can't ...
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4answers
138 views

What vSphere data/reports would you like that you can't get now?

Bit of an open-ended question here sorry, hence why it's a CW, it's to help inform some toolset writers that I work with what direction to go with their new product, hope you don't mind. If you could ...
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120 views

Intermittent connection to ESX using VIX

My script (and vmrun) can't establish a reliable connection to an ESX server via VIX Lets say I execute the script 10 times consecutively. the script will fail at VMOpen() function call 6 out of 10 ...
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302 views

VMware Data Recovery always fails with error -3902

Setup Using vCenter and ESX 4.1, we installed VMware Data Recovery 2.0 using two appliances. Once appliance has a single 1TB (892GB free) destination on a mapped raw iSCSI LUN. The other appliance ...
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902 views

How many VMs can I run? [closed]

My setup up: Dell PowerEdge M610 (6 Blades) Three of these: 2 x Intel Xeon E5540 8 Physical cores 16 Logical cores 16 GB of RAM Three of these: 1 x Intel Xeon E5640 4 Physical cores 8 Logical ...
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143 views

Strange VMWare networking issue

i have an exchange test environment sitting on vmware. i have 2 mailbox servers, 2 CAS/HUB servers, and an AD server on a 2 physical host VMWare HA cluster. If I have all 5 servers on one host, ...
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Apache's htcacheclean doesn't scale: How to tame a huge Apache disk_cache?

We have an Apache setup with a huge disk_cache (>500.000 entries, >50 GB disk space used). The cache grows by 16 GB every day. My problem is that the cache seems to be growing nearly as fast as it's ...
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248 views

Citrix XenApp slowness on ESX 4

I need some help with a some CPU constraint issues( i think) diagnosis. I have a client with a Citrix Xenapp farm (5 desktop servers/9 Application servers) spread accross 12 ESX hosts running ESX4.0. ...
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freenas storage in esxi to host vm's?

I have previously set up freenas as vm inside esxi using raw disk access. I was wondering if would be possible/sensible to get freenas to serve iscsi targets to be used for other vm's on the same ...
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325 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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1answer
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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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VMware: OS choice on VM creation:

I'm using the vSphere client. When I create a new Virtual Machine I have a selection drop-down to choose the OS version. Except 32bit and 64bit version which I understand (because it's hardware ...
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ESX / vSphere Maximum Cores per CPU

What is the maximum number of physical cpu's (and more importantly, cores per cpu) that ESX 5 supports? Use Case: 1 Server with 2 Intel 8 core cpu's. Will all 16 cores be utilized?
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How should I filter my VMWare Logs? What should I search for? What should I exclude?

My VMWare logs are full of SSL errors and some other things that appear less than important. (e.g. SSL Errors from the admin console) What is the best way to extract valuable information from these ...
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482 views

parameters to check from guest if ESX host overloaded

I have access to Redhat linux 5.7 guests on vmware ESX (probably 4) hosts which I suspect is often overloaded ( CPU and IO ). I have no visibility on the ESX host which is managed by another company. ...
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363 views

How to change the Service Console subnet on an ESX cluster?

We have an existing VMware ESX 3.5 cluster (6 hosts, VI 2.5) and need to move the service consoles to a new subnet. We would like to do this without downtime for the VMs. In my previous experiments ...
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109 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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526 views

How to force commit a snapshot on vmware ESX virtual machine?

I have a virtual machine in ESX with snapshot; unfortunately when trying to commit the snapshots, vmware somehow lost track of the whole structure; the virtual machine got one week back, while on the ...
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Single-thread app 50% slower on VMware X5650 than physical E5450

Our application runs 50% slower on a Xeon X5650 under ESX than on a bare-metal E5450. A test task on the physical servers takes 17 minutes. The same task on the virtual servers takes 25 minutes: 50% ...
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166 views

How to deploy vmview from a single esx server

I am beginner in vmware and virualization and need some assistance. I have a good web server with 22 GB Ram memory and I need to deploy vmware view from this single host if it is possible. I need ...
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vmware esx create swap file within the esx host

i want to create a vmdk file within the the ESX host, currently it creates the vmdk (virtual disks) on the datastore which is mounted from SAN storage. my idea is to tell esx to use that vmdk so that ...
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295 views

How can I create a vmware disk with XEN?

I found that in XEN I can use vmware-disk images. But can I actually create such a disk with pure XEN-means? I want to create a server with XEN and move the corresponding disk later to VMWARE (in a ...
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limiting output of esxtop in batch mode

is there anyway to limit the output from esxtop in batch mode? I tried running it in batch mode and got 16,000 columns! I could filter this out post collection but at that kind of data volumn it seems ...
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174 views

Checking the current time on an ESX server from the vSphere client

What is the easiest way to check the current time on an ESX server from a machine which has the vSphere infrastructure client installed on it ? In other words, is there any way to get the current ...
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Risk when deploying virtualized production servers without in-house virtualization expertise?

I've been asked to evaluate moving three production servers to a virtualization platform. The servers currently run Windows Server 2003 with a mix of applications that, given a catastrophic failure, ...
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3answers
917 views

How to check if ESX hosts have enough RAM

I have noticed that some Linux based virtual machines become gradually slower until I reboot them. At first I suspected hacking and resource abusing but after several vm rebuilds from the scratch and ...
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408 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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565 views

Which Linux distro best suited for running various services on an ESX 3.5 Virtual Machine

I have inherited an few servers some of which could be made virtual, I am thinking of putting the print server, ppp, dhcp, web proxy programmes together on an virtual machine on an existing ESX ...
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441 views

VMWare ESX 4.1 - Upgrade from 2000 to 2003 R2 gives STOP Error 0X0000000A during “installing devices”

I am trying to upgrade a recently P2V'd server, but I get STOP Error 0X0000000A every time I try.. It always gets this STOP error when it is trying to install devices during the upgrade process. Any ...
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1answer
2k views

vCenter sent “ESX Host disconnected” notification, but host is fine and nothing in event log

Last night we received a notification from vCenter saying that it couldn't connect to the agent on one of our hosts, and that the "Host and Power status" was in error and the server was disconnected. ...
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612 views

ESX: Get VM uuid/name from within VM

Is there a way to get a VM's name or UUID from within the VM itself, for a VM that is running on a VMWare ESX server? If so, what is the way? My use case is: I'm cloning a bunch of VMs. A program ...
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357 views

SQL Server on VMWare - is transaction log corruption possible?

Scenario: SQL Server 2005 or 2008, Windows 2008 OS. Running in a VM hosted on VMWare ESX server. Is there any known issue with VMWare when it caches pass-through write request and it never reaches ...
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61 views

What network does a datastore (Esx 4) copy use?

First a brief description of my environment. I have 4 VMware ESX 4 clusters that I manage with one VC server. Each server has 6 NICs. 2 for iSCSI back to a EMC CX4, 2 for the Vm port groups and 2 for ...
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319 views

ESXi Connection issue

We have a server currently running VMware ESXi. The VMSphere client is having some issues connecting; giving the "Can not establish a secure connection" when clicking on Console as well as both lag ...
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1answer
138 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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2answers
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Is there a disadvantage to running nginx on a VM?

I plan on using nginx to host much of my static content with some minimal php. I'm going to have 2 servers for nginx, but that may be too much hardware for what I need. I'm thinking about dividing ...
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2answers
2k views

Can I give a virtual machine a unique ID which is accessible from inside the VM?

I want to be able uniquely identify my virtual machines from inside the virtual machine. The problem is that in my setup I cannot use the MAC address for that. Is it possible to configure another ...
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SQL2K8 Backups over an NFS mounted SAN

We have a SQL2K8 server with a 100GB+ database that mostly stores image BLOBS and it fails to backup to our SAN that is connected over NFS. The SQL2K8 server runs off our VMWare Host and it losses ...