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Bye bye Transparent Page Sharing

17 October 2014
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Reading Time: 4 minutesThere are already lots of information about VMware vSphere 6.0 (actually in beta) but one big change has not be publicized so much: starting in December with the next ESXi Update release, TPS (Transparent Page Sharing) among virtual machines will no longer be enabled by default and this will not only be applied to next release, but also on current releases. This actually does not mean that will be not be available (at least not in the short period), but is another historical piece that will be not used by default, like the vSphere Client (first […]

VMware ,

VMware products and the “Shellshock bug”

29 September 2014
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Reading Time: 3 minutesAfter the Heartbleed bug storm, now there are new possible (serious) problems with a new bug in the Linux and OpenSource world: the Shellshock bug affect lot of Linux systems, in particular the bash (the standard shell on most Linux and also some Unix system). On Sept 24, 2014, a critical vulnerability in Bash (CVE-2014-6271, CVE-2014-7169) was published that may allow for remote code execution. Use this exploit is quite simple (on affected system), that make this bug really critical. Major distribution have already realized a new bash version with the required path, but old […]

VMware, vProducts, vSecurity , ,

Using Linux in a vSphere Console

Reading Time: 3 minutesUsing Linux as a guest OS in a VMware vSphere environment it’s, of course, well supported and more distributions are officially supported in vSphere 5 making more easy deploy Linux VM or Linux based virtual appliances. For the remote management a good option it’s usually use the SSH protocol, for the initial installation (or other special cases) you will need to use vSphere Console. Using the client from a Linux box could be difficult but with the new vSphere Web Client not so much, for more information see the KB 1006095 (Availability of vSphere Client […]

General, VMware ,

Installing an ESXi from a USB device

Reading Time: < 1 minuteYou can run the ESXi installer usually from the CD (official or customized), but also from PXE or from USB. The CD installation (still in version 5.5 the ISO fit on a CD) remain the most used option, but in some cases it’s not applicable. For example recent servers or blade systems lacks of the CD/DVD unit and in this case the only option is use the hardware management interface (like the IOLE for HP or the iDRAC for Dell), or use alternative boot options. PXE could be valuable in some cases, but require an infrastructure that […]

VMware

Issue in VMware vMotion that stop at 14%

Reading Time: 2 minutesSome weeks ago I’ve got an issue in a VMware vSphere 5.1 environment with vMotion that stop each operation at 14% with some strange errors. Also there were several VMware KB articles related to this issues, with different reasons. The error message was simple: Timed out waiting for migration start request. So the closest KB article was: vMotion fails at 14% with the error: Timed out waiting for migration start request (2068817). But none of the possible solutions were applicable to my case.

VMware

Installing Fusion-IO on ESXi hosts

25 April 2014
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Reading Time: 7 minutesFusion-IO is a well-know company in the host-side flash solutions to accelerates databases, virtualization, cloud computing, big data, and the applications without change your storage. Their In-Server Acceleration products are impressive (sometime also in the price) and can provide up to 10.24TB of flash to maximize performance for large data sets, or also solutions for blade server (with the ioDrive2® Mezzanine). Thanks to Fusion-IO Italy I’ve got the opportunity to test thee Fusion-io 410GB ioScale, the smallest model of this product line (ioScale products use MLC technology and are in these capacities: 410GB, 825GB, 1650GB, […]

VMware , ,

Installing Dell OMSA 7 on ESXi 5.5

21 February 2014
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Reading Time: 2 minutesSome years ago, I’ve write some posts on how install Dell OpenManage on VMware ESXi. The OpenManage Server Administrator (OMSA) is a Dell tool really useful for a central management or to be integrated in other Dell’s management tools. There are different options, but basically the most used ways are: Use the Dell ESXi custom image that already include also a version of OMSA (not necessary the latest) Use the command line Use VMware Update Manager The last option is my preferred option because is really faster and simplest.

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