VMware Octopus wallpaper

VMware has just recently announced that the VMware Certified Professional 6 (VCP6-DCV) is now available. The new VCP6 exam is similar to the others in the past whereas the VCP6 aims to validate your ability to deploy, configure, administer and scale a vSphere virtualized data center, including administering and troubleshooting virtualization technologies such as:

• vSphere HA and DRS Clusters
• Storage virtualization using VMFS
• Storage DRS and Storage I/O Control
• Network virtualization using vSphere standard and distributed switches and Network I/O Control
• vSphere management using vCenter Server and vRealize Operations Manager Standard
• Virtual Machines

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This morning I took the VCP510 exam and passed it on my first go at it!

Overall I felt the exam was a nice challenge, while I can’t go into details of the exam, per the NDA. I will say I was surprised at the number of multiple answer questions and the VPC510 was certainly more “real-world” based and not so much memorizing config maximums.

That said, I’ll do as others have done and list what I used in my preparation for the VCP510 exam…

Read More “VCP5 Exam: Passed”

For a little while now we’ve been seeing RedHat Linux virtual machines performing poorly. Tasks would take considerably longer on the Linux VM’s then other Windows VM’s. After digging around I eventually found that RedHat has it’s own IO scheduler that runs in the background. On a physical box this wouldn’t be a big deal, but as a virtual machine everything is already being processed by VMware hypervisor. The fix, disable the IO Scheduler!

Read More “Improve Linux VM IO performance by disabling IO Scheduler”