Sometimes dead links happen - we had 2 dead links on the page which have been fixed right now!
The german version of the article was missing.
The external connection to searchstorage was broken rue to the fact that they have been renamed to datacenter.insider.de - I still have an issue because the first half ot the article is still mjissing. I am in contact with them to fix this.
BVQ Use Case: Performance Bottleneck Analysis on IBM SVC and IBM Storwize