Disk replacement log file examples from a very large RAID disk system for predictive maintenance analysis

README.txt

Maintenance example belonging to: 

  The MANTIS Book: Cyber Physical System Based Proactive Collaborative Maintenance
  Chapter 9, The Future of Maintenance (2019).
  Lambert Schomaker, Michele Albano, Erkki Jantunen, Luis Lino Ferreira
  River Publishers (DK)
  ISBN: 9788793609853, e-ISBN: 9788793609846, https://doi.org/10.13052/rp-9788793609846

The figure .pdf did not make it into the book. Here are the raw data, processed 
logs and .gnu script to produce it.

Data: event logs on disk failure in two racks of a huge RAID disk system (2009-2016).

disks1.raw
disks2.raw

Event logs to RC-filtered time series:
RC-filt-disks-log.c 
do-RC-filter-to-make-spikes-more-visible (bash script)
-->
disks1.log
disks2.log

Constant (horizontal line) indicating the level where users experienced system-down time
Disrupted-operations-threshold

disk-replacement-log.gnu
disk-replacement-log.pdf