Software Environment Design
The software environment is critical to supporting highly available services. The software stack used in modern computer systems is complex and increasing in complexity faster than the hardware environment. Designing and maintaining a stable software environment is critical to providing highly available services. Here are the software environment design tasks you must perform:
Maintain appropriate maintenance updates and patch levels on all software and firmware.
Implement a patch or update validation and installation process. Ideally, the installation process should have rollback capabilities. For Sun systems, the PatchPro service, Sun Alert patch reports, and security bulletins are available on the http://sunsolve.sun.com ...
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