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 IBM eServer zSeries 990
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| IBM eServer zSeries 990 enterprise server features and benefits |
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| z/Architecture |
- Intelligent Resource Director
- Capacity BackUp
- Customer Initiated Upgrades
- Capacity Upgrade on Demand
- On/Off Capacity on Demand
- QDIO
- Integrated Facility for Linux
- HiperSockets
- zSeries Application Assist Processor
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| Cluster systems |
- Parallel Sysplex clustering technology
- Sysplex Distributor
- Shared ICFs and CPs
- Internal Coupling Facility (ICF)
- Geographically Dispersed Parallel Sysplex™**
- Internal Coupling Channel
- Transparent ICF Sparing
- Dynamic CF Dispatching
- Dynamic ICF Expansion
- InterSystem Coupling-3 Links
- System-Managed CF Structure Duplexing
- z/VM Virtual Parallel Sysplex
- Integrated Cluster Bus
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| Availability |
- Transparent CP Sparing
- System Assist Processor (SAP)
- Enhanced Application Preservation
- Fault Tolerant Interconnect Design
- Sparing for Storage Protect Keys
- Failure Containment for MBA
- Dynamic memory sparing
- Reassignment & Sparing
- CICS® subspace group facility
- Partial memory restart
- CICS subsystem storage protect
- Dynamic Channel Path Management
- Remote operations support
- Dual Support Elements
- Concurrent power and thermal maintenance
- N+1 power supply technology
- Hybrid cooling
- Concurrent Hardware Management Console (HMC) and Support Element
- Concurrent Licensed Internal Code (LIC) maintenance for CP, SAP, SE, PR/SM™, LPAR, HMC, OSA-Express 2
- Concurrent channel, OSA-E and Coupling Link maintenance
- Dynamic I/O Reconfiguration
- Enhanced Firmware Simulation
- Concurrent Book Add
- FICON Purge Path Extended
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| Management |
- (SE) maintenance
- Power/Thermal
- Cancel I/O Requests
- Internal Battery Feature
- ESCON sparing
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| PR/SM |
- Up to 30 LPARs each with 64-bit central memory addressability
- Enhanced Dynamic Reconfiguration Management
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| Performance |
- IEEE binary floating point support for advanced Lotus® Domino™ and Java performance
- Up to 256GB memory
- Hipersorting
- DB2® sort assist
- Hiperbatch™
- Compare-and-move extended
- Hardware-assisted data compression
- Performed Locked Operations for enhanced IP performance
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| I/O connectivity |
- ESCON half duplex data transfer
- Multiple Image Facility (MIF)
- ESCON CTC native and basic mode
- FICON™ full duplex data transfer
- FICON CTC
- FICON Bridge
- Full fabric FCP support
- FCP support for SCSI devices by Linux and z/VM
- Logical Channel SubSystems
- FCP LUN Access Control
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| Networking |
- OSA-Express (1000BASE-T Ethernet, Token-Ring, Fast Ethernet)
- OSA-Express2 (Gigabit Ethernet, 10 Gigabit Ethernet)
- OSA-Express and OSA-Express2 Layer 2 Support
- HiperSockets
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| Console Controller |
- OSA-Express Integrated Console Controller (1000BASE-T Ethernet)
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| Security |
- Open Architecture Distributed Transaction Element
- SSL Acceleration for Linux and z/OS
- Tamper-proof Cryptographic Support
- AES Encryption support
- Certified for LPAR isolation
- Designed for FIPS 140-2 Level 4
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