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

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Troubleshooting latency spikes on ESXi NFS datastores

I'm experiencing fsync latencies of around five seconds on NFS datastores in ESXi, triggered by certain VMs. I suspect this might be caused by VMs using NCQ/TCQ, as this does not happen with virtual ...
34
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2answers
1k views

vSphere education - What are the downsides of configuring VMs with *too* much RAM?

VMware memory management seems to be a tricky balancing act. With cluster RAM, Resource Pools, VMware's management techniques (TPS, ballooning, host swapping), in-guest RAM utilization, swapping, ...
30
votes
5answers
4k views

Are VMware ESXi 5 patches cumulative?

This seems basic, but I'm confused about the patching strategy involved with manually updating standalone VMware ESXi hosts. The VMware vSphere blog attempts to explain this, but the actual process is ...
23
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11answers
2k views

When deploying a single server on new hardware, do you virtualize it or not?

There are a few questions that I've found on ServerFault that hint around this topic, and while it may be somewhat opinion-based, I think it can fall into that "good subjective" category based on the ...
21
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9answers
102k views

Is there a way to clone an existing VM on an ESXi server without having to re-import it?

I have imported a VM into an ESXi server using the VMware "Converter stand alone utility". However, this process is a little tedious. Since I eventually want several copies of this VM (or, to be ...
21
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8answers
6k views

What kind of storage do people actually use for VMware ESX servers?

VMware and many network evangelists try to tell you that sophisticated (=expensive) fiber SANs are the "only" storage option for VMware ESX and ESXi servers. Well, yes, of course. Using a SAN is fast, ...
18
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5answers
5k views

Why are snapshots considered as temporary backups not real backups?

I am using VMware ESXi. In our team we use to provide snapshots for long term backup. Then we faced issues like memory spillover and the server got hang up. I started reading in VMware knowledgebase ...
18
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3answers
64k views

How to run VMWare ESX or ESXi in a virtual machine?

Can VMWare ESX or ESXi be installed and used inside a virtual machine? It can be installed inside VMWare Workstation or Server, but then it doesn't work; the main symptoms are: It runs REALLY ...
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4answers
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What are the benefits of “enterprise-level” virtualization?

For a company with modest virtualization needs - VirtualBox is currently doing fine at hosting a few light servers - what would some of the benefits be of moving to a more robust platform? I'm ...
15
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5answers
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Best Practices for virtualizing servers onto the SAN?

Alright, so I want to start leveraging my SAN a little more than I have been, and at the same time, take advantage of ESXi. Currently, I've got an array of Dell PowerEdge 1955 blades connected to a ...
14
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9answers
13k views

Is it possible/advisable to run VMware Server ESX/ESXi on a laptop?

The idea of having a small footprint hypervisor as the primary OS on a laptop or desktop where every "real" OS is a guest appeals to me. Now I realize this software is more typically used on blades ...
14
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1answer
560 views

Why is vCenter 5.1u1 exiting hosts from maintenance mode?

This vCenter server was just upgraded to 5.1 update 1. I'm going through hosts and bringing firmware up to date, then upgrading them from various versions of 5.0 to 5.1u1. vCenter 5.1u1 seems to ...
13
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4answers
3k views

Hardware firewall vs VMware firewall appliance

We have a debate in our office going on whether it's necessary to get a hardware firewall or set up a virtual one on our VMWare cluster. Our environment consists of 3 server nodes (16 cores w/ 64 GB ...
13
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3answers
4k views

How is memory allocated in ESXi server?

We have an ESXi 4.1 server with 48 GB RAM. For each VM, we are allocating 4GB of memory. Since the server will have 13 virtual machines, my manager thinks this is wrong. I am going to explain to ...
13
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4answers
3k views

how to update esxi 5?

I have an ESXi 5 host (free) and vSphere Client. I would like to update to u1 but I cannot find the way to do it. Updates are ZIP files with modules in it; no installer. vSphere client doesn't have an ...
13
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1answer
222 views

vSphere - Why upgrade VM Hardware Version?

At the beginning of the year we performed an upgrade of our vSphere environment from vSphere 5.0 to vSphere 5.1 U1 Build 1063329 compromised of about a dozen ESXi hosts and a vCenter instance hosted ...
12
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2answers
20k views

VMWare ESXi free?

Much is made of the fact that VMWare's ESXi hypervisor is "free" As best I can tell, you can install the hypervisor on a host for "free". Because ESXi does not have a built in management console, ...
12
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3answers
3k views

How to disable swap files in ESXi?

We are running a few Solaris / Linux VMs on ESXi that contain very sensitive encrypted data that eventually get decrypted as required in memory. Everything is fine, except for the ESXi swap files ...
11
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3answers
3k views

In VMware ESXi 5.x, does it make a difference if I select 2 CPU cores vs. 2 CPU sockets?

Title pretty much says it all. I'm just wondering if this makes a difference in the way VMs will process things and if one method is preferable vs. another.
11
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6answers
1k views

Nested RDP and VMWare and ILO console sessions: keystroke repetition and latency

I'm working on a remote server installation entirely through ILO (but this also applies to IPMI and VMWare console sessions). Due to the software application and environment, my access is restricted ...
11
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3answers
4k views

Why VM snapshots are affecting performance?

I read in one of the VMware KB article says that snapshots will directly proportional to VM performance. But my team keep asking me how snapshots can affect performance. I would like to give them ...
11
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2answers
1k views

VMware Distributed vSwitches (VDS) - Design, theory, *real* use cases and examples?

I'm starting to explore VMware Distributed Switches (dvSwitches or VDS) for use in existing and new installations. Assume VMware version 5.1 and newer with Enterprise Plus licensing. Prior to this, ...
11
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2answers
5k views

How to manage a global VM startup order across the whole datacenter?

Suppose you have a fully virtualized VMware infrastructure: ESXi, vCenter, vMotion, HA, DRS, the whole package. Inside, you have lots of VMs, which at any given time may reside on one host or another ...
10
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1answer
2k views

Console on ESXi 5

Is there also a console on ESXi 5? The well known method from ESXi 4 for the "hiddenconsole" does not seem to work. (Alt-F1, type "unsupported", enter root password)
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3answers
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What happens when the USB key or SD card I've installed VMware ESXi on fails?

An SD (SDHC) card installed in an HP ProLiant DL380p Gen8 server running VMware ESXi just failed :( I encountered some rather ominous looking messages on the vCenter console and in the HP ProLiant ...
10
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1answer
962 views

Configuration for a two machine ESXi cluster using VSA to present local storage to VMs

I'm designing a little vSphere 5 cluster for one of our remote sites. We have some IBM x3650s that have 6x 300GB 10K RPM drives in them, along with dual quad core CPUs and 24GB RAM. Because we use HP ...
10
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1answer
4k views

How can I tell if a disk is failing on ESXi / what do these errors mean?

I have a server running VMware ESXi v4.1.0 348481. It has a hardware RAID10 and a SATA backup drive. I have a VM running which has it's primary boot vmdk on the RAID10 datastore, and a 600 GB vmdk on ...
9
votes
5answers
11k views

Move VMware ESXi VM to new datastore - preserve thin-provisioning

I'm looking for a good solution to a VMware ESXi environment issue where there's no vCenter available. What's the best way to move a VM from one datastore to another on a single ESXi host, while ...
9
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6answers
4k views

Choosing between VMWare ESX and ESXi

We currently run one instance of VMWare ESX server, but want to start virtualizing more physical hardware with VMWare, while keeping the cost of VMWare licensing as low as possible. Is ESXi a good ...
9
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5answers
4k views

Best filesystem choices for NFS storing VMware disk images

Currently we use an iSCSI SAN as storage for several VMware ESXi servers. I am investigating the use of an NFS target on a Linux server for additional virtual machines. I am also open to the idea of ...
9
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2answers
2k views

Do I need VMWare vSphere?

I'm planning use vmware to upgrade some of very aged server instead replace with all new bunch of server. VMWare vSphere sounds great but because of low budget I can't afford for both licenses and ...
9
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5answers
75k views

Can you use a USB hard drive in ESXI?

I know that you can install ESXi 4.0 on a thumbdrive, but I was wondering if you could plug in an external harddrive to give extra storage to one of your VMs? We run a fileserver inside of ESXi that ...
9
votes
3answers
5k views

Has anyone achieved true differential sync with rsync in ESXi?

Berate me later on the fact that I'm using the service console to do anything in ESXi... I've got a working rsync binary (v3.0.4) that I can use in ESXi 4.1U1. I tend to use rsync over cp when ...
9
votes
2answers
499 views

Find all virtual machines with ballooned or swapped RAM in VMware cluster?

If I were to look at a vSphere cluster or resource pool and see a certain level of memory ballooning or swapping, how do I identify which VMs are affected? I know what to do with them once I find them ...
8
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1answer
193 views

VMware vSphere cluster design for site redundancy

I have a question about the best design for site redudancy when using vSphere clusters. A bit of background info about our situation first though. We are a medium-sized company with two main ...
8
votes
2answers
1k views

Symantec Endpoint Protection ( SEP / SEPM ) traffic volume management

My organization has a large deployment of Symantec Endpoint Protection (SEP) (~20k clients) with a single SEPM instance running in an ESX VM. We do have many remote clients designated as Group Update ...
8
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4answers
2k views

Monitoring Dell/HP Servers Running ESXi (Free)

What are you all doing to monitor ESXi servers that run the free edition? With the lack of SNMP support, it seems fairly limited to me. What'd I'd like to be able to do is get some type of alert when ...
8
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6answers
2k views

What are the most important aspects to consider when choosing a SAN for a small office virtualization project?

I am in the process of consolidating 6 physical servers running 6 different operating system flavors (don't ask) into two identical physical servers (Dell PowerEdge 2900), using the free VMware ESXi ...
8
votes
3answers
832 views

Default Bios Options for ESXi Virtual Machine

Does anyone know of a way to set the default bios options of a virtual machine in ESX1 (4.1). Every time I create a new VM, I need to go into the bios and set the Num Lock in the bios. I was hoping ...
8
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1answer
1k views

Is there a way to view an HP ProLiant server IML log from within ESXi?

I'm investigating a system outage on an HP ProLiant DL360 G7 server running VMware ESXi 5.1. While I'm a huge advocate of installing the HP-specific management agents for ESXi or using the ...
8
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5answers
2k views

Any opensource equivalent of virtual center?

We got 10 ESXi hosts running. We don't have budget for Virtual center licenses. Is there some free tool that just gives us consolidated view of all VMs with poweroff and poweron options for each VM.We ...
7
votes
11answers
3k views

Should i go native or with ESXi server?

At this moment, my server is a plain 64-bit amd, running windows 2003. I wanted to run another virtualized OS on top of it using virtualbox. Then I saw that vmware ESXi is free! I always ignored that ...
7
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14answers
3k views

Which Linux-Virtualization to choose for Server?

Hy, I got a brand new Intel i7 Server-System with 12GB Ram and I want to consolidate three other linux-servers onto this machine using virtualization. I want to use the harddisks (via a kind of LVM) ...
7
votes
2answers
9k views

How can I get an email alert when RAID array is degraded? VMware ESXi 5.0, MegaRAID SAS 9260-4i

We have recently bought a "white box" server to run VMware ESXi 5.0 (we're planning to use the vSphere 5 Essentials Kit). According to VMware's Compatibility Guide, the server's LSI Logic MegaRAID SAS ...
7
votes
7answers
23k views

How to backup virtual machines on a standalone ESXi host?

Standalone ESXi (4.1) host without any vCenter Server. How to backup virtual machines as quickly and storage-friendly as possible? I know I can access the ESXi console and use the standard Unix cp ...
7
votes
1answer
323 views

Enabling VMware EVC on Westmere E5645 CPU only accepts “Nehalem” mode

Take the following system, a Supermicro VMware ESXi host with Intel Westmere E5645 CPUs. Part of our deployment process is to set the appropriate Enhanced vMotion Capability (EVC) level for the ...
7
votes
2answers
6k views

Disk shrink does not work on ESXi guests

EHLO everyone! My first post on the StackOverflow network :) We're running some ESXi 5.0/vCenter infrastructure to host mainly Debian 6/amd64 guest systems with ext3 partitions and open-vm-tools ...
7
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6answers
3k views

How can we remotely monitor VMware ESXI?

We have VMware ESXi on several servers, how can we remotely monitor for problems with hard drives, RAM, power supply or network cards?
7
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2answers
459 views

VMWare vSphere and the move from ESX to ESXi

I was working on a standalone ESX 3.5 system last night in order to upgrade to vSphere 4.1u1. I realized that the full ESX download had been deemphasized on the VMWare website. While I've known that ...
7
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6answers
27k views

VMware VMFS5 and LUN sizing - multiple smaller datastores, or 1 big datastore?

With VMFS5 no longer having the 2TB limit for a VMFS volume, I'm considering which scenario would be more beneficial overall:- Less LUNs of larger size, or More LUNs of smaller size. In my case, I ...