• VMware vSphere Essentials

    calendar May 29, 2015 · 3 min read · esxi vcsa  ·
    Share on: linkedin copy

    Some of you might have recognized that it has been surprisingly quiet on my blog in the last couple of weeks. The reason for this was not that I have not been keen for blogging - rather I was working on something bigger that I'd love to present you today. 🙂

    It is nothing less than a book about VMware vSphere named …


    Read More

  • VM Tools for MS-DOS and Windows 3.x

    calendar Apr 1, 2015 · 1 min read · april retro  ·
    Share on: linkedin copy
    Notice

    This was just an April Fool's joke, sorry.

    VMware offers software packages including additional applications and drivers for the most support guest operating systems - these packages are also called VMware Tools. Beside recent operating systems also older releases are supported - e.g. there are …


    Read More

  • Short tip: VMware vSphere "Module DiskEarly power on failed to lock file"

    calendar Mar 26, 2015 · 1 min read · esxi kurztipp  ·
    Share on: linkedin copy

    While booting a virtualized cluster node I stumped upon a suspicious error message recently:

    Module DiskEarly power on failed to lock file

    In the VMware forums I found a hint that locking mechanisms might account for this issue. However the thread focussed on desktop products and not on vSphere. I found no lock files ( …


    Read More

  • vRetro trip: MS-DOS 6.22 and Windows 3.1 in 2015

    calendar Mar 6, 2015 · 12 min read · retro  ·
    Share on: linkedin copy
    Because of a recent comment on this blog I stumbled upon an interesting Abandonware webseite. For me this was a reason for diving into a world of forgotten software (thank you very much for the hint, Frank!). While browsing the software archive I vividly recalled my first steps with the computer. Back then - in …
    Read More

  • vSphere 6: "Brave New IT"

    calendar Feb 8, 2015 · 9 min read · esxi vcsa  ·
    Share on: linkedin copy

    This week VMware introduced plenty of new, long-awaited product versions during an online event. I also joined this event to see the further development that was taking place since VMworld 2014.

    vSphere 6

    The biggest highlight was vSphere 6 - in accordance with VMware this is the "biggest release ever". With …


    Read More

  • Short tip: VMware ESXi doesn't recognize SSD as SSD

    calendar Nov 5, 2014 · 2 min read · kurztipp  ·
    Share on: linkedin copy
    During a server installation recently a local attached SSD wasn't recognized as SSD and therefore it was impossible to use it as vSphere Flash Read Cache. Not always the reason for this issue is a controller misconfiguration - sometimes ESXi just doesn't recognize the SSD as flash drive. In this case it is possible to …
    Read More

  • VMworld 2014 Barcelona

    calendar Oct 26, 2014 · 7 min read · conference  ·
    Share on: linkedin copy

    Last week the european VMworld event was taking place in Gran Via, Barcelona. The program of the 4-day conference was characterised by virtualization and especially VMware products. VMware hosts two events every year - in the USA and Europe.

    I had the honour to join this event as press member which gave me the …


    Read More

  • Install EMC NetWorker agent in VMware vCenter Server Appliance 5.5

    calendar Oct 21, 2014 · 4 min read · vcsa  ·
    Share on: linkedin copy

    When running a virtualized vCenter server it is very important to have a working backup. If the vCenter server crashes the virtual landscape cannot be managed or monitored.

    Configuring backup is very easy when running VMware vCenter Server on a conventional Microsoft Windows servers because it is a fully-features …


    Read More

  • Virtualized cluster storage using VMware ESXi

    calendar Oct 12, 2014 · 3 min read · esxi  ·
    Share on: linkedin copy

    Many software cluster solutions require shared storage between all cluster nodes. A very prominent example for this might be Oracle RAC (Real Application Clusters). In enterprise environments shared cluster storage is often implemented using SAN storage that is connected to multiple systems.

    For (private) test …


    Read More

  • DELL OpenManage Integration Virtual Appliance update problems

    calendar Oct 7, 2014 · 3 min read · dell  ·
    Share on: linkedin copy
    DELL offers an Linux appliance based on CentOS 5 for customers using VMware products. This appliance is called  "DELL OpenManage Integration for VMware vCenter Appliance" and integrates seamless in VMware vCenter Server (or the appliance). It can be used for monitoring physical servers and also allows …
    Read More