Robby Pedrica's Tech Blog

Tag: virtualisation

  • Virtualisation part 4: oVirt

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    Robby Pedrica
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    Red Hat’s virtualisation product, RHEV, was slightly hamstrung in v2 seeing as the manager technology ( which had previously been purchased from Qumranet ) only ran on Windows. This requirement is something that has put me off that product until now – RHEV 3 has been released with a JBoss-based management server now and a…

  • Microsoft virtualisation changes

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    Robby Pedrica
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    Microsoft has announced Dynamic Memory and RemoteFX which directly affects their desktop virt platform. Dynamic memory allows users to adjust the memory of a guest virtual machine on demand. IT administrators will thus be able to pool all the memory available on a physical host and dynamically distribute it to virtual machines running on that…

  • Windows 7 XP mode no longer requires hardware virt

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    Robby Pedrica
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    Microsoft will be removing the hardware virtualisation extensions requirement with the next update of XP mode. The updates are available here: win 7 32-bit win 7 64-bit Intel’s mechanism is know as VT-x while AMD’s is called AMD-V. There are pros and cons with this change: con – hardware virt extensions allow a CPU to…

  • Virtualisation part 3: VMware backup scenarios

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    Robby Pedrica
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    Backups in a virtualisation environment take on a whole new meaning, typically complex ( as opposed to the simple outlook that the vm vendors would like to portray )  because now you are dealing with shared SAN storage, vm images instead of files, very specific requirements around backup hardware and setup, 3rd party backup agents…

  • Virtualisation part 2: Storage

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    Robby Pedrica
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    The first part of the series focussed on the OS layer of virtualisation. This second part will focus on storage in relation to server virtualisation. Storage on its own, is a minefield of standards, specifications, technologies, protocols and incompatibilities. Add to this the concept of virtualisation and you’re looking at an area that’s difficult to…

  • Virtualisation part 1: OS

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    Robby Pedrica
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    I had an interesting question from a business colleague of mine today – please spell out what types of virtualisation are available. It’s good to know that, even though it’s fairly pervasive these days, people can still inquire as to what is the reality. Because running virtualisation for production loads can have a big effect…

  • VMWare and virtualisation

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    Robby Pedrica
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    It seems to me that there is still a large amount of confusion concerning virtualisation in general and VMware specifically. The problem stems from the fact that most users of virtualisation don’t understand the real benefits ( and pitfalls ) of this interesting technology – I’ll attempt to provide some insight here. Benefits Make better…