NetApp Flash Accel for VMware

In this article I will describe NetApp Flash Accel which makes server-side flash storage available as cache for applications that read from and write to NetApp back-end storage. In a Flash Accel-enabled system, applications write to cache as well as to back-end storage, so that future application reads can be serviced locally from cache. Flash Accel software runs… Read More »

How to cancel a hang task in vCenter or ESXi host?

Recently my customer wanted to cancel a "creating a snapshot" task. The task was created by backup application. Unfortunately the cancel option was greyed so wow to cancel it? I will show this in the following post. At first you have to investigate where a hang process exists (Clicking summary tab on VM). Then: Log in to ESXi… Read More »

The content ID of the parent virtual disk does not match the corresponding parent content ID in the child.

Recently I have worked again and again on the following issue: Cannot open the disk '/vmfs/volumes/4a496b4g-eceda1-19-542b-000cfc0097g5/virtualmachine/virtualmachine-000002.vmdk' or one of the snapshot disks it depends on. Reason: The parent virtual disk has been modified since the child was created.   My customer was not able to power on a virtual machine. As mentioned in the following KB: http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1007969 Content… Read More »