IBM Power System S814 and S824 Technical …

1 Front cover IBM Power Systems s814 and s824 . Technical overview and introduction Outstanding performance based on POWER8. processor technology 4U scale-out desktop and rack-mount servers Improved reliability, availability, and serviceability features Alexandre Bicas Caldeira Bart omiej Grabowski Volker Haug Marc-Eric Kahle Andrew Laidlaw Cesar Diniz Maciel Monica Sanchez Seulgi Yoppy Sung Redpaper International Technical Support Organization IBM Power System s814 and s824 Technical overview and introduction August 2014. REDP-5097-00. Note: Before using this information and the product it supports, read the information in Notices on page vii. First Edition (August 2014). This edition applies to IBM Power System s814 (8286-41A) and IBM Power System s824 (8286-42A).

2 Systems. Copyright International Business Machines Corporation 2014. All rights reserved. Note to Government Users Restricted Rights -- Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp. Contents Notices .. vii Trademarks .. viii Preface .. ix Authors .. ix Now you can become a published author, too! .. xi Comments welcome.. xi Stay connected to IBM Redbooks .. xii Chapter 1. General description .. 1. Systems overview .. 2. Power s814 server .. 2. Power s824 server .. 3. Operating environment .. 4. Physical package .. 5. Tower model .. 5. Rack-mount model .. 6. System features .. 8. Power s814 System features .. 8. Power s824 System features .. 9. Minimum features .. 10. Power supply features.

3 10. Processor module features .. 10. Memory features .. 11. PCIe slots .. 12. Disk and media features .. 13. I/O drawers for Power s814 and Power s824 servers .. 20. PCIe Gen3 I/O expansion drawer .. 21. I/O drawers and usable PCI slot .. 22. EXP24S SFF Gen2-bay drawer .. 23. IBM i Solution Edition for Power s814 and Power s824 .. 24. Capacity backup .. 24. Power System s814 (8286-41A) capacity backup offering.. 24. Power System s824 (8286-42A) capacity backup capability .. 26. Server and virtualization management .. 28. System racks.. 29. IBM 7014 Model T00 rack .. 29. IBM 7014 Model T42 rack .. 30. IBM 42U Slim Rack 7965-94Y .. 32. Feature code 0551 rack .. 32. Feature code 0553 rack .. 32. Feature code ER05 rack .. 32.

4 The AC Power distribution unit and rack content .. 33. Rack-mounting rules .. 35. Useful rack additions.. 35. OEM rack .. 38. Chapter 2. Architecture and Technical overview .. 41. The IBM POWER8 processor .. 43. Copyright IBM Corp. 2014. All rights reserved. iii POWER8 processor overview .. 44. POWER8 processor core .. 46. Simultaneous multithreading.. 47. Memory access .. 48. On-chip L3 cache innovation and Intelligent Cache .. 48. Level 4 cache and memory buffer.. 49. Hardware transactional memory .. 50. Coherent Accelerator Processor Interface .. 51. Power management and System performance .. 52. Comparison of the POWER8, POWER7+, and POWER7 processors .. 53. Memory subsystem .. 53. Custom DIMM .. 54. Memory placement rules.

5 55. Memory bandwidth .. 57. System bus .. 60. Internal I/O subsystem .. 61. Slot configuration .. 61. System ports .. 64. PCI adapters .. 64. PCI Express .. 64. LAN adapters .. 66. Graphics accelerator adapters .. 66. SAS adapters .. 67. Fibre Channel adapters .. 67. Fibre Channel over Ethernet .. 68. InfiniBand Host Channel adapter .. 69. Asynchronous and USB adapters .. 70. Cryptographic coprocessor .. 70. Field-programmable gate array adapters .. 71. CAPI adapters.. 71. Flash storage adapters .. 72. Internal storage .. 72. RAID support .. 77. Easy Tier .. 79. External SAS port .. 81. Media bays .. 82. External I/O subsystems .. 82. PCIe Gen3 I/O expansion drawer .. 82. PCIe Gen3 I/O expansion drawer optical cabling.

6 83. PCIe Gen3 I/O expansion drawer SPCN cabling .. 86. External disk subsystems .. 86. EXP24S SFF Gen2-bay drawer .. 86. IBM System Storage .. 88. Hardware Management Console (optional) .. 89. HMC code level.. 90. HMC RAID 1 support .. 91. HMC connectivity to the POWER8 processor-based systems .. 91. High availability HMC configuration .. 93. Operating System support .. 94. AIX operating System .. 94. IBM i .. 95. Linux operating System .. 95. Virtual I/O Server .. 96. iv IBM Power System s814 and s824 Technical overview and introduction Java .. 96. Energy management .. 96. IBM EnergyScale technology .. 97. On Chip Controller .. 100. Energy consumption estimation .. 101. Chapter 3. Virtualization .. 103. IBM Power Hypervisor.

7 104. Virtual SCSI .. 105. Virtual Ethernet .. 105. Virtual Fibre Channel .. 106. Virtual (TTY) console .. 106. Power processor modes .. 106. Active Memory Expansion.. 109. Single Root I/O Virtualization .. 113. Direct access I/O and performance.. 114. Adapter sharing.. 115. Adapter resource provisioning (QoS) .. 115. Flexible deployment .. 115. Reduced costs .. 116. PowerVM.. 116. PowerVM editions .. 116. Logical partitions .. 116. Multiple shared processor pools .. 121. Virtual I/O Server .. 122. PowerVM Live Partition Mobility .. 126. Active Memory Sharing .. 127. Active Memory Deduplication .. 128. Operating System support for PowerVM .. 128. Linux support .. 130. PowerVM simplification .. 130. System Planning Tool.

8 132. IBM Power Virtualization Center .. 133. IBM Power Virtualization Performance .. 134. Chapter 4. Reliability, availability, and serviceability.. 137. introduction .. 138. RAS enhancements of POWER8 processor-based scale-out servers .. 138. Reliability .. 139. Designed for reliability.. 139. Placement of components .. 140. Processor/Memory availability details .. 141. Correctable error introduction .. 141. Uncorrectable error introduction .. 142. Processor Core/Cache correctable error handling .. 142. Processor Instruction Retry and other try again techniques .. 142. Alternative processor recovery and Partition Availability Priority .. 143. Core Contained Checkstops and other PowerVM error recovery .. 143. Cache uncorrectable error handling.

9 143. Other processor chip functions .. 144. Other fault error handling .. 144. Memory protection .. 145. I/O subsystem availability and Enhanced Error Handling .. 146. Contents v Serviceability .. 147. Detecting introduction .. 147. Error checkers, fault isolation registers, and First-Failure Data Capture .. 147. Service processor .. 148. Diagnosing .. 149. Reporting .. 150. Notification .. 153. Locating and servicing .. 154. Manageability .. 157. Service user interfaces .. 157. IBM Power Systems Firmware maintenance .. 162. Concurrent firmware maintenance improvements .. 166. Electronic Services and Electronic Service Agent .. 166. Selected POWER8 RAS capabilities by operating System .. 170. Related publications .. 173.

10 IBM Redbooks .. 173. Other publications .. 173. Online resources .. 174. Help from IBM .. 175. vi IBM Power System s814 and s824 Technical overview and introduction Notices This information was developed for products and services offered in the IBM may not offer the products, services, or features discussed in this document in other countries. Consult your local IBM representative for information on the products and services currently available in your area. Any reference to an IBM product, program, or service is not intended to state or imply that only that IBM product, program, or service may be used. Any functionally equivalent product, program, or service that does not infringe any IBM intellectual property right may be used instead.