We had an incident couple weeks ago. A faulty node in a Windows 2008 R2 Hyper-V cluster caused the partition table lost in one of the CSV. Consequently, all the data can not be accessed. I mounted the broken CSV LUN to another host with TestDisk installed. Then I used TestDisk to search and fix … Continue reading Restore CSV Partition Table
Category: Virtualization
Windows Server “8” Beta Hyper-V Component Architecture Poster
VMware View 5 Performance Tuning
Just finished this morning’s VMware View 5 bootcamp, and I decide to write down my notes here before I forget. Today’s topic is about tuning the VMware View performance. There are three parts involved: Network environment tuning, VM Image tuning and PCoIP tuning. It is not necessary to tune them all, e.g. if you have … Continue reading VMware View 5 Performance Tuning
Virtualizing Business Critical Enterprise Applications
I came across this wonderful resource page – Virtualizing Business Critical Enterprise Applications which talks about the successful cases and best practice to deploy the enterprise applications on top of vSphere, such as Exchange, SharePoint, SQL Server, Oracle DB. This is exactly what I need, as I am currently working on a big scale deployment … Continue reading Virtualizing Business Critical Enterprise Applications
VMware’s Best Practice/Recommendation for Extents
VMFS-5 has increased the VMDK file size limits to 2TB, and allows the extents up to 64 TB. However, using Extent is not recommended by VMware unless you absolutely have to use it. Read more details in this article: http://blogs.vmware.com/vsphere/2012/02/vmfs-extents-are-they-bad-or-simply-misunderstood.html