Silvio's Corner - 400 Bad Request
Silvio's Corner - 400 Bad Request
Silvio's Corner - 400 Bad Request
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A Focus on IBM System z9 Functions and Features<br />
System z9 Enhanced Driver Maintenance<br />
Ability to concurrently install and activate a new driver*<br />
– Can eliminate common planned outage<br />
– Select window of opportunity within code maintenance stream<br />
– Like some concurrent patches, may need to vary off/on certain devices<br />
The ability to concurrently move from one patch point on major driver N, to a patch<br />
point on major driver N+1<br />
– Cannot move any-to-any, must move from a specific "from" patch bundle to a specific "to" patch<br />
bundle<br />
A limited number of specific crossover bundles will be defined for a driver<br />
Disruptive driver upgrades are permitted at any time<br />
Concurrent crossover from driver N to driver N+1, to driver N+2 must be done serially;<br />
no composite moves<br />
No concurrent back-off possible. Must move forward to driver N+1 once enhanced<br />
driver maintenance is initiated. Catastrophic errors during update may cause a<br />
disruptive outage.<br />
*Requires proper configuration and planning for exploitation<br />
Zürich | 26. Oktober 2004<br />
Silvio Sasso's <strong>Corner</strong>, GSE z/OS<br />
Expertforum IBM System CH #66, z9 27.-28.3.2007,<br />
– The Enterprise Hub<br />
© 2004 IBM Corporation 30
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