September 2002
Intermediate to advanced
332 pages
11h 1m
English
Content preview from IBM eServer zSeries 900 Technical Guide
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Appendix A. Reliability, availability, and serviceability functions 243
How to repair permanent errors: concurrent repair/maintenance
The z900 provides the capability to make many changes to the platform nondisruptively. For
example, you can do the following while the system is in production:
Replace hardware components
Install microcode fixes
Make software fixes to your systems
The design of z900 includes
concurrent repair of the hardware and microcode. This enables
faulty hardware or microcode to be replaced while the server is up and running. There is no
customer involvement, other than approval for the action, and no impact on running ...
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