Processor Resource/Systems Manager; Multiple Image Facility (Mif) (Pr/Sm; Pr/Sm Shared Escon Channels) - IBM S/390 Reference Manual

Processor Resource/Systems Manager

PRISM
PR/SM highlights:
• Up to 15 partitions
• Fast response time/high throughput environment
• Event-driven with time-slice option
• CPU resource capping
• Logical partition isolation
- Partition security
- Data integrity
• ESCON channel and Internal Disk sharing with MIF
• Dynamic Resource Reconfiguration
• High platform availability
• 2 GB LPAR central storage
• Up to six preferred guests with VM/ESA Multiple
Preferred Guest Support
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Multiple Image Facility (MIF) (PR/SM

Shared ESCON Channels)
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• Shared ESCON channels and Internal Disk among
• Extend the logical addressing capability of the
• Enable ESCON channel consolidation, control unit
• Reduce the number of channels with ESCON CTC
• Simplify operation by eliminating the need to reassign
Business value
• Potential growth or cost savings
• Potential consolidation cost savings
PR/SM LPARs
ESCON architecture to PR/SM LPARs
savings and "Busy management" improvements
enhancements
ESCON channels between LPARs
- Reduced number of ESCON channels and ESCON
Director ports
- LPAR channel constraint relief
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