Some of you might consider purchasing the Lenovo (formally IBM) System x servers. For the enterprise environments Lenovo offers x3850 X5 and x3850 X6 series. Since x3850 X5 will be discontinued from the market during this year, it makes sense to start considering x3850 X6. Such type of server will… Continue reading
I was experiencing strange behavior with Virtual Machines running on the ESXi hypervisor caused by Cisco Nexus CSCui86494 bug. Client was reporting very slow or even unresponsive application with long waiting time. When I tried the basic ping there was a packet loss somewhere between 70 – 80%. What made… Continue reading
Few weeks ago I did attend web meeting about “Extending VMware vCenter to Hybrid Cloud” with Oded Haner. It get my curiosity as it was promising something i did not believe is possible. Even after seeing the presentation I had doubts. I decided I have to see and touch it,… Continue reading
One of my client is considering to move the application from Solaris based OS under Linux OS and virtualize them using VMware vSphere. The requirement is to have the most efficient way how to monitor the application status and react on any failure asap. Taking into account such requirements, one of… Continue reading
New issue was discovered which may result in corrupted backups leveraging vSphere CBT (Change Block Tracking) for incremental backups. Basically all backup products which use VMware API for Backups ( Virtual Disk Development Kit (VDDK) )are affected. This issue occurs when you expand a virtual disk vmdk file which has… Continue reading
Intro In my previous article called “Centralized syslog server for vSphere environment with CentOS 7 and rsyslog” I showed one of the ways how you can configure centralized Syslog server for vSphere environment. But in that article I covered only ESXi part. In this article I will describe how to send… Continue reading
IBM, HP, DELL are releasing its own customized “embedded” versions of ESXi which contain vendor specific drivers, opened firewall ports for their management solutions, etc. Patches are different for each ESXi version 5.0, 5.1, 5.5. I will show you how to download and implement those patches for IBM x3850 X5,… Continue reading
Couple of years ago we were asked to provide a working solution for centralized syslog collector. My customer had very tough security rules, and they were strictly against any appliance based, out of the box solution. They needed to have full control over the OS and applications installed. The main… Continue reading
