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Running Systems

Technical blog by Etzion Bar Noy covering technical aspects of day to day of an infrastructure consultant

Running Systems
Running Systems
Technical blog by Etzion Bar Noy covering technical aspects of day to day of an infrastructure consultant
  • Disk Storage | Scripting/Programming

    HP EVA bug – Snapshot removed through sssu is still there

    ByEtzion 02/05/2008

    This is an interesting bug I have encountered: The output of an sssu command should look like this: EVA> DELETE STORAGE “Virtual DisksLinuxoracleSNAP_ORACLE” EVA> It still leaves the snapshot (SNAP_ORACLE in this case) visible, until the web interface is used to press on “Ok”. This happened to me on HP EVA with HP StorageWorks Command…

    Read More HP EVA bug – Snapshot removed through sssu is still thereContinue

  • HP-UX

    HP-UX patch structure

    ByEtzion 12/04/2008

    Hunting patches for HP-UX is not a simple task. Patch IDs are different for newer versions of the same patch, meaning that a newer version of a patch will have no meaningful connection to the previous version of that patch. I have discovered that the best option is to track the patch is by finding…

    Read More HP-UX patch structureContinue

  • Linux

    Some few small insights

    ByEtzion 12/03/2008

    Lately I have been overloaded above my capabilities. This did not prevent me from doing all kind of things, but most of them are too small to justify a real entry here, so I have decided to make a small collection of small stuff someone might need to know, in order to make it indexed…

    Read More Some few small insightsContinue

  • Linux | Virtualization

    Combining Xen and VMware-Server on the same Physical server

    ByEtzion 23/02/2008

    Doesn’t work. It will work fine up to the step where you actually try to active one of the VMware virtual machines. And then your kernel will panic. Works fine without Xen kernel (but without Xen, of course). Pity. Was tested on Centos5.1 64bit.

    Read More Combining Xen and VMware-Server on the same Physical serverContinue

  • Linux | Scripting/Programming

    Rotate Beryl/Compiz cube from command line

    ByEtzion 19/02/2008

    We are about to have a stand in a show in Israel. To pull some attention, I have searched for a method to automate a random rotation of the famous Beryl/Compiz cube. An extension of the method provided in here (using macros) is demonstrated below, using a script. This is a bit more complicated, as…

    Read More Rotate Beryl/Compiz cube from command lineContinue

  • Disk Storage | Linux | Scripting/Programming | Virtualization

    Quick provisioning of virtual machines

    ByEtzion 01/02/2008

    When one wants to achieve fast provisioning of virtual machines, some solutions might come into account. The one I prefer uses Linux LVM snapshot capabilities to duplicate one working machine into few.

    This can happen, of course, only if the host running VMware-Server is Linux.

    LVM snapshots have one vast disadvantage

    Read More Quick provisioning of virtual machinesContinue

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