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Performance in the IT Services Buidling Computer Labs: Compressed VMware-Images

In order to reduce the load of the computer lab image servers and to improve their start-up performance, we now offer compressed VMware images. This will simultaneously accelerate the transfer of image construction.

In the future, the VMware images in the IT Services Main Building computer labs will only use Type 5 images (compressed/streaming). This will reduce the amount of data or image storage on the local servers by up to 50% and will simultaneously result in a 15% faster start performance. At the same time, the amount of data quantities required for the image will be reduced by one third.

This reduction in data quantities will simplify the transfer of image construction and maintenance through the internet. The whole thing will happen through the call:

vmware-vdiskmanager -r <source-image>.vmdk -t 5 <compressed-image>.vmdk

This command is available in Windows as well as Linux operating systems.