September 2002
Intermediate to advanced
332 pages
11h 1m
English
Content preview from IBM eServer zSeries 900 Technical Guide
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Chapter 2. zSeries 900 system structure 29
For general purpose CPs, ICFs and IFLs, non-crypto CP sparing starts from the highest
and continues in descending order:
a. Spare with the non-crypto PU spares until they are all used.
b. Next, spare with CE 1’s dual path.
c. As a last resort, spare with CE 0’s available dual path.
For SAPs, sparing starts from the top and continues in descending order:
a. Use non-dual path spares until they are all used.
b. If a non-dual path spare is not available, then use:
• The dual path for CE 1
• As last resort, the dual path for CE 0
c. If SAP sparing is not possible and this is a Master SAP (MSAP) (“slave” SAPs ...
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