Virtualization is a group of software technologies that allow abstraction between layers of a system. This allows separation between the logical layers of the system, providing isolation, flexibility, and/or the ability to run more than one at a time. This differs from most traditional systems where ...

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Benefits to private networks between virtual machines on an ESXi host?

I'm planning this development environment with a few database servers, and originally thought I would have a few private networks. I then thought it might be unnecessary as the ESXi cluster already ...
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942 views

Should I Use the Default SQL Server 2012 Accounts or Make Specific Ones?

I'm installing the 180 day trial of SQL Server 2012 on a virtual machine with the intent of buying a license for it later on. From past experiences with installing SQL Server I would always make ...
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Move and clone VirtualBox machines with filesystem commands

I know of 2 ways to clone a VirtualBox machine on a linux host, one is by using the VirtualBox gui and exporting and re-importing as appliance (in the file menu of VirtualBox). The other is by ...
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What are EC2 Best Practices?

There's scant documentation on this topic. For example, the EBS initialization described in this page is an important first step for running a database on EC2: ...
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How to migrate VirtualBox 2 virtual computer to VmWare server2?

How to migrate VirtualBox 2 virtual computer (virtual drive) to VmWare Server 2? Computer itself runs Linux, virtual computers run Windows XP and Windows Vista. I need support for GRE protocol, which ...
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101 views

optimum configuration for AD and exchange 2010

We are a small business (~100 emp) with a creaking server running AD, Exchange 2003 and more. We need to upgrade the hardware and it has been proposed to put Win Svr Std 2008 on one new server with AD ...
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Command line is horribly slow in Ubuntu Server

I am running Ubuntu Server on VirtualBox. I am not using X Windows, only the command line. It looks like it is redrawing the screen for every line that causes the screen to shift down. In other ...
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Does kern.hz still have any relevance in FreeBSD if “dynamic tick mode” is enabled?

I'm running a FreeBSD 9.0 setup as a virtual machine in a KVM setup. In previous versions of FreeBSD it was common to force the kern.hz setting to a lower value so that the virtual machine does not ...
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615 views

Make a copy running VM-ware Virtual Machines

I want to backup my virtual machines while they are running, is it possible to do this without buying more VM-Ware products? They are running on CentOS 5.2.
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Any virtualisation software that works with… gasp… Windows 95 as the *host* O/S?

I know this sounds crazy, but is there any VMWARE/Virtualbox type software that was around back in the days of Windows 95? Reason I ask is that I just got a Nokia E71 (hooray) and have successfully ...
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2answers
1k views

Performance and Utilization monitoring of Xen Dom0

We run a mixed bag of Citrix XenServer and Gentoo/Xen virtualization platforms in our company. In general, we use XenServer where we have shared storage (SAN, iSCSI or whatever) and Gentoo/Xen where ...
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796 views

TCP/IP performance tuning under KVM/Qemu

With more and more companies switching to public cloud services, I'm curious what you guys' thoughts are on TCP/IP tuning in the cloud. Is it worth bothering with? Given that you don't have access to ...
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KVM to Xen migration

I've recently been appointed to create some VMs for production use, and went gung ho into making a KVM based VM instead of finding out what our production server uses. I've only recently found out ...
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4answers
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Sharing a linux desktop server for multiple users: remote desktop or virtualization?

We are a small web software company (~ 10 people). At present, every dev works on his local machine (some windows, some ubuntu) using a local apache. We have a samba share for shared files and central ...
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299 views

VPN server on Windows Server 2008 for a small office

I'm going to refurbish the IT-infrastructure for a small organization with one single office, and I'm not sure what VPN server to use. In your opinion, would the built-in Windows Server 2008 VPN ...
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2answers
721 views

How should I set up my Hyper-V server and network topology?

This is my first time setting up either Hyper-V or Windows 2008, so please bear with me. I am setting up a pretty decent server running Windows Server 2008 R2 to be a remote (colocated) Hyper-V host. ...
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Are Rackspace's Cloud Servers really cloud hosting?

I may be confused about what cloud hosting really is... I asked Rackspace how its Cloud Server (CS) 256MB/10GB compares to Slicehost's 256slice VPS, and they said it's exactly the same (only ...
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5answers
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vmware server end of life, where to go now?

We have some virtual machines on vmware server 2.x running on 64 bit hardware and quite happy with it. As vmware server will no longer be offered we are thinking to migrate to ESXi, which seems is ...
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Which Linux distribution runs smoothly in Sun's VirtualBox?

Apparently some distributions do not run smoothly in VirtualBox. For example I installed Fedora 11 and I couldn't configure monitor's screen resolution to more than 800x600. What distribution run ...
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What recommendations would you give for implementing VMware Server, not ESX

I can't afford VMware infrastructure to do all the cool things, but I also don't have the money to buy a physical server for each and every machine I need, so I've been implementing some non-core ...
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8answers
719 views

Is Windows 7 RC stable enough for limited production deployment?

With the Windows 7 RC out today, and it being good for a year before expiring makes for a compelling argument to deploy it in limited production usage internally. I tested the Windows 7 Beta and was ...
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246 views

What role does virtualization play in a network with a SAN?

Can't you just ditch virtualization and boot directly off a volume in the SAN?
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4answers
172 views

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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Oracle DB on VMWare?

Management have OK'd a migration of our main Oracle DBs to a virtual machine platform. Operations say they'll dedicate heavy-duty hardware and only run the DB VMs on it. I've heard that running DBs ...
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vmware: how to virtualize nt server 4.0?

I'm trying to virtualize a nt server 4.0 sp1. When I run the vmware converter it says that is must be at least sp3. However I can't even find this on MSDN. Has anyone had a similar experience and ...
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377 views

Preferable VM software for a small dev team

I am not very familiar with the world of virtualization, but want to explore the opportunities. Most of our developers currently develop on their local machines; I want to see if this can be made a ...
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ESXi VM NTP Server

We need to setup an internal NTP server. Because this server will pretty much ONLY be a time server I was thinking of just creating a VM for it. However, Googling around it appears that there there ...
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How to create a virtual machine server image from a physical windows 2008 server?

Is there a tool that can take a windows server 2008 and make a vdh or vmdk out of that box?
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7answers
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Rough estimate for speed advantage of SAN-via-fibre to san-via-iSCSI when using VMware vSphere

We are in the process of setting up two virtualization servers (DELL R710, Dual Quadcore Xeon CPUs at 2.3 Ghz, 48 GB RAM) for VMware VSphere with storage on a SAN (DELL Powervault MD3000i, 10x 500 GB ...
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How should I convert a physical drive to a VHD for use with VirtualPC?

I have the hard disks from a PC that was happily running Windows Me until is it suffered an unknown hardware failure. The drives are intact, and can be mounted and read on other PCs. We have data ...
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2k views

Vmware server 2 performance?

Have you noticed any VmWare server 2 performance issues? Can it be used for less important production systems?
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6answers
355 views

When is it time to add more cores to your virtual server? [closed]

I have a Linux (RHEL 5.8) server with Java 7 and Tomcat 7. The performance is poor, and I am pretty sure it's the DB queries that are slow. We have 2 cores right now, and load average never exceeds ...
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2answers
768 views

Is it possible to have a 100% secure virtual private server?

I am curious if it is possible to have a VPS that has data on it that is not readable by the hosting provider, but is still usable on the VPS. Obviously there are some things that you could do to ...
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Virtualization platform for older hardware (non Intel-VT/AMD-V)

I am trying to build a small virtualized testbed using some older Xeon-based servers that do not support Intel VT-x. In their previous use, the servers were running VMware ESX 3.5. Is there a more ...
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4answers
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How to extend a Linux PV partition online after virtual disk growth

VMware allows to extend the size of a virtual disk online - when the VM is running. The next expected steps for Linux system are: extend the partition: delete and create a larger one with fdisk ...
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207 views

Virtual Desktops : 8 am when everyone comes in

I'm learning about virtual desktops and I was wondering; suppose you have 1500 people in your company, almost all using virtual desktops, and they would have to start up their computers all at the ...
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3answers
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Testing VMware ESXi 5 on VMware Workstation 8

I keep getting an error message when trying to setup ESXi 5 on VMware workstation. The ESXi installer boots up and there is a progress bar at the top. When this bar 'fills up' the installer wants to ...
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2answers
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How to make SQL Server 2008 redundant?

At the moment I'd like to combine my departmental SQL Server into one big SQL Server 2008 instances spread across two servers (for redundancy reason). How/what is the best way to approach this ? is ...
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557 views

IOps required to boot a KVM instance

What are the minimum requirements to boot a KVM instance. I want to boot 1000 instances all at the same time and I am using a NAS environment. I want to make sure that I know what the IO requirements ...
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2answers
1k views

Xen - Make one guest OS have 2 cpus?

I have inherited a Xen setup. The dom0 and domU's are all linux. dom0 has 8 cores (or CPUs, I'm not sure). We want to run more stuff on one domU. I want to make it a multicore CPU, ie so that the domU ...
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4answers
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Optimising MSSQL 2008 server inside VMWare ESXi

I normally run my MSSQL servers on dedicated servers, but we've taken on a client who is running their SQL Server inside a VMWare ESXi 4 host, and quite frankly it's running like crap. We have ...
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8answers
711 views

What is the best appliance you've used? [closed]

Post your favorite appliances or "all-in-one" programs. Whether it runs in a virtual machine, or on its own hardware, it all goes. My submission is Untangle. It's an open source network gateway ...
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2answers
317 views

SQL Clustering or Hyper V Clustering

We will soon be implementing our Dynamics AX installation. Our aim is to have high availability and we are working closely with our implementers. We raised the question to them about SQL and Hyper-V ...
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3answers
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VMWare ESXi: how to add network drivers to installation?

Background / Problem I have two new servers (Dell R720 & Dell R520) that I plan to install ESXi onto. During the VMWare Hypervisor installation, I'm told that no network adapters exist. Upon ...
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2answers
430 views

HP DL360p with Intel E5-2630 NUMA Capable?

I couldn't find any information via search to determine this via the Intel or HP website. Can you enable NUMA nodes on this? How can you tell the side of each node if so? Is it always best practice to ...
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5answers
2k views

Xen only sees 512MB of System RAM. Should be 8GB. (UEFI boot)

I am booting Xen 4.0 from Debian Squeeze, kernel 2.6.32-5-xen-amd64. "xm dmesg" on dom0 shows: Xen-e801 RAM map: 0000000000000000 - 0000000000091400 (usable) 0000000000100000 - 0000000020000000 ...
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Dell PowerEdge t710 virtualization suggestions

My company just bought a dell PowerEdge t710 server with 48 gig ram 4tb disk 4x4 gb ethernet ports. My job is to configure virtual (hyperV) system infrastructure on this server. The requirements are: ...
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vSphere machine wont start: Insufficient disk space on datastore

I am trying to add a virtual disk using a VMFS datastore with 1.98 TB of capacity and 85 GB used. I then power on the virtual machine, and it gives me the Insufficient disk space on datastore error. ...
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4answers
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Relative performance of VMWare Player, Workstation, Server and ESX?

We're currently running a couple of continuous build/test agents in VMWare Player. They regularly fail due to timing/speed problems. That is: because there are two VMs on the same box, they contend ...
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3answers
402 views

Licensing of Windows in backed-up virtual machines [duplicate]

Possible Duplicate: Can you help me with my software licensing question? If I have a development environment running in (for example) three VMWare virtual machines, each one containing a ...