DASD storage on zLinux has seen improvement over the years. HyperPAV, EAV, ESE - these technologies can make life much easier for administering a large number of guests. I will go over the project we undertook to modernize our zLinux disk implementation - from setting up new disks on the DS8K to the IOCDS and user directory changes and finally the steps to migrate zLinux systems to HyperPAV.
