The musings of an IT Consultant:

virtual machines

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July 31, 2011  10:59 PM

The pain of snapshots!



Posted by: Raj Perumal
backup, ESX, ESXi, snapshots, virtual machines, VM, VMWare

Hi folks! So as you know, one of the coolest features of having a VMware virtualized environment is snapshots. The ability to take a snap of a point in time on the server and then revert to it if need be. Lots of backup products leverage this capability to provide virtual machine backups....

September 29, 2008  6:24 AM

The virtualization wars are slowly starting to yield some benefits!



Posted by: Raj Perumal
backup, backup agents, Backup Exec, ESX, ESXi, Hyper-V, Microsoft, Symantec, Symantec Backup Exec 12.5, virtual, virtual machines, Virtualization, VMWare, windows agent

So this just in. Just in case if you were still wondering if there was anything to the virtualization mantra that is being constantly recited through the IT community, Symantec has announced that you no longer need to purchase individual Symantec Backup Exec agents for each guest OS that exists on...


August 25, 2008  4:11 PM

Microsoft relaxes licensing around virtual mobility for 41 server applications



Posted by: Raj Perumal
41 server applications, Application server license mobility, ESX, ESX 3.5, Hyper-V, Microsoft licensing, New Microsoft Licensing and Support Eases Path to Virtu, quick motion, virtual licensing, virtual machines, virtual mobility, virtual mobility licensing, vmotion, VMWare

Hi folks, before when you had to move virtual machines from one server to another using technologies like vmotion you had to ensure you had a license for the server applications on both host physical servers. The only way you could move this was if you did it once every 90 days. Microsoft has...


July 28, 2008  8:03 PM

VMWare’s ESXi vs Hyper-V, the details on what free really means



Posted by: Raj Perumal
ESXi, ESXi 3.5, Hyper-V, hypervisor, IT consultant, virtual machines, Windows Server 2008

I was speaking to a co-worker today and he pointed me towards Mike's blog at http://mikedatl.typepad.com/mikedvirtualization/2008/07/esx-35i-for-fre.html. After reading through it, it was obvious he...


July 5, 2008  7:30 PM

Power Planning



Posted by: Raj Perumal
blade servers, circuits, electricity, HP, HP BladeSystem c3000, Power and cooling, power calculator, power efficiency, power planning, server consolidation, UPS, virtual machines, Virtualization, VMWare, VMware ESX

One of the most overlooked items during a server implementation is power planning. I have seen many administrators get excited about ordering their new servers or other network equipment, plan the outage for the day of the install and then once they have all their equipment realize that they...


July 4, 2008  1:54 PM

VMWare Tools in Windows Server 2008 Core



Posted by: Raj Perumal
IT consultant, Microsoft Windows, virtual machines, Virtualization, VMWare, VMware ESX, VMWare tools, Windows Server 2008, Windows Server 2008 Core

Hi folks, if you have ever used VMWare before, then you will be familiar with the VMWare Tools. This is a set of tools you can install into a guest os in VMWare to allow better functionality with your virtual machine. However this is a graphical install and it isn't exactly clear how to run...


July 2, 2008  3:09 PM

Installing BES in a Virtual Environment



Posted by: Raj Perumal
BES, BlackBerry, Blackberry Enterprise Server, ESX Server, IT consultant, virtual machines, Virtualization, VMWare, VMware ESX

Hi folks, today I'd like to talk about BES installations. I find that BES is one of those server installations that lends itself well to virtualization. You see I like to run BES on it's own server so if you need to reboot it or perform any maintenance, it won't affect other services.

Of...


June 28, 2008  5:40 PM

Server consolidation



Posted by: Raj Perumal
blade servers, blades, ESX Server, HP, HP BladeSystem c3000, Power and cooling, power efficiency, server consolidation, thermal, virtual, virtual machines, VMWare, VMware ESX

There is one commonality here in Winnipeg, Manitoba. Lots of servers, using a lot of power. Being a province that generates our own Hydro, we have pretty cheap electricity without having to worry about the expense of power like other provinces or states do. However this doesn't mean we shouldn't...


June 23, 2008  3:12 PM

Tuning VMWare



Posted by: Raj Perumal
ESX Server, performance tuning, VCP, virtual machines, VMWare, VMware ESX

One of the most common mistakes I see when out in the field with VMWare, is incorrectly configured VMWare ESX servers. It is very common to see people configure virtual machines as if they are physical machines. If you are going to implement VMWare in your environment I highly suggest going...


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