I'm really excited about this next option in our mdisk group analysis section. It is the first time that we can analyse into the internal SVC queues down to the storage system.
With this new option we get a much better view of the performance problems of the storage system.
It is obvious that this backend storage system was in deep performance troubles from 5 am to 6:30 am.
Have a look to this:
The picture belongs to this whitepaper