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244
Data Compaction (COMPACT)
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244
Data Compression (DTACPR)
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244
Use Optimum Block Size (USEOPTBLK)
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244
15.2 Save Command Parameters that Affect Performance
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15.1 Supported Backup Device Rates
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243Chapter 15. Save/Restore Performance ..............................................
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14.6.6 Summary
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14.6.5 Performance Observations and Tips
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14.6.4 AIX Virtual IO Client Performance Guide
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14.6.3.3 Sizing memory
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14.6.3.2 Sizing when using Micro-Partitioning
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14.6.3.1 Sizing when using Dedicated Processors
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14.6.3 Sizing
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14.6.2.4 Virtual SCSI Bandwidth-Disk Scaling
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14.6.2.3 Virtual SCSI Bandwidth-Network Storage Description (NWSD) Scaling
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14.6.2.2 Virtual SCSI Bandwidth-Multiple Network Storage Spaces
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14.6.2.1 Native vs. Virtual Performance
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14.6.2 Virtual SCSI Performance Examples
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14.6.1 Introduction
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14.6 IBM i operating system 5.4 Virtual SCSI Performance
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14.5.1.3.4 DS3000/DS4000 Storage Subsystem Performance Tips
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14.5.1.3.3 JS12 Express and JS22 Express Configuration Considerations
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14.5.1.3.2 BladeCenter S and JS12 Express
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14.5.1.3.1 BladeCenter H JS22 Express running IBM i operating system/VIOS
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14.5.1.3 VIOS and JS12 Express and JS22 Express Considerations
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220
14.5.1.3 Specific VIOS Configuration Recommendations -- Traditional (non-blade)
Machines ........................................................................
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14.5.1.2 Generic Configuration Concepts
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14.5.1.1 Generic Concepts
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14.5.1 General VIOS Considerations
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14.4 SAN - Storage Area Network (External)
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14.3.3 572A IOA
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14.3.2 57B8/57B7 IOA
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14.3.1 Encrypted ASP
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14.3 New in iV6R1M0
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14.2.3 12X Loop Testing
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14.2.2 RAID Hot Spare
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14.2.1 9406-MMA CEC vs 9406-570 CEC DASD
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14.2 New in iV5R4M5
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14.1.10 Direct Attach 571E/574F and 571F/575B Observations
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14.1.9 Investigating 571E/574F and 571F/575B IOA, Bus and HSL limitations.
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14.1.8 Performance Limits on the 571F/575B
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14.1.7 Comparing 571E/574F and 571F/575B RAID5 and RAID6 and Mirroring
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14.1.6 Comparing 571E/574F and 571F/575B IOP and IOPLess
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14.1.5 Comparing Current 2780/574F with the new 571E/574F and 571F/575B
NOTE: iV5R3 has support for the features in this section but all of our
performance measurements were done on iV5R4 systems. For information on the
supported features see the IBM Product Announcement Letters. ..........................
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14.1.4 571B, 5709, 573D, 5703, 2780 IOA Comparison Chart
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14.1.3.2 571B IOP vs IOPLESS - 10 15K 35GB DASD
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14.1.3.1 571B RAID5 vs RAID6 - 10 15K 35GB DASD
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IBM i 6.1 Performance Capabilities Reference - January/April/October 2008
© Copyright IBM Corp. 2008 IBM i Performance Capabilities 6