Troubleshooting and maintenance
In this chapter, we look at how errors and events are reported and logged, and what tools are available to analyze and recover from a problem. We also describe the procedures to follow, and the methodologies and tools provided with the Storwize V7000 Unified to enable IBM Support to assist.
We also cover common maintenance procedures, including software upgrading, and address compression-related recovery, such as recovering from a volume going offline.
15.1 Maintenance philosophy
Many events or problems that occur ...

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