Remove Disk Units Without an IPL

It’s tough to make the new release highlights list. A valuable capability that will help reduce planned outages that didn’t make the cut for IBM i 7.1 announcement highlights is the capability to remove disk units from the partition without requiring an IPL or going into restricted state. While it’s documented in the Knowledge Center, you most likely wouldn’t find it if you didn’t know to go look for it. 

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Measure Disk Response Times

In today’s computing environment, disk response time is a critical factor to consider in understanding your system’s performance. Processor speed has improved significantly over the past many years, while disk I/O performance has not improved at that same pace. Solid state drives (SSDs) have the potential to change this, but the reality is spinning disks continue to be a major component of system performance.

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