Intel AS/400 RISC Server, 170 Servers, 7xx Servers manual IPL Performance

15.3	Workloads		245
15.4	Comparing Performance Data		246
15.5	Lower Performing Backup Devices		247
15.6	Medium & High Performing Backup Devices		247
15.7	Ultra High Performing Backup Devices		247
15.8	The Use of Multiple Backup Devices		248
15.9	Parallel and Concurrent Library Measurements		249
15.9.1 Hardware (2757 IOAs, 2844 IOPs, 15K RPM DASD)			249
15.9.2		Large File Concurrent	250
15.9.3		Large File Parallel	251
15.9.4 User Mix Concurrent			252
15.10 Number of Processors Affect Performance			253
15.11 DASD and Backup Devices Sharing a Tower			254
15.12	Virtual Tape		255
15.13	Parallel Virtual Tapes		257
15.14	Concurrent Virtual Tapes		258

15.15Save and Restore Scaling using a Virtual Tape Drive. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259

15.16Save and Restore Scaling using 571E IOAs and U320 15K DASD units to a

3580 Ultrium 3 Tape Drive				260
15.17		High-End Tape Placement on System i		262
15.18		BRMS-Based Save/Restore Software Encryption and DASD-Based ASP
Encryption			. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	263
15.19		5XX Tape Device Rates	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	265
15.20		5XX Tape Device Rates with 571E & 571F Storage IOAs and 4327 (U320)
Disk Units			. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	267
15.21		5XX DVD RAM and Optical Library		268
15.23		9406-MMA DVD RAM . . . .	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	270
15.24		9406-MMA 576B IOPLess IOA	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	271
Chapter 16 IPL Performance			. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	273
16.1	IPL Performance Considerations		. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	273
16.2	IPL Test Description		. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	273
16.3	9406-MMA System Hardware Information			274
16.3.1 Small system Hardware Configuration				274
16.3.2 Large system Hardware Configurations				274
16.4	9406-MMA IPL Performance Measurements (Normal)			275
16.5	9406-MMA IPL Performance Measurements (Abnormal)			275
16.6 NOTES on MSD			. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	276
16.6.1 MSD Affects on IPL Performance Measurements				276
16.7	5XX System Hardware Information			277
16.7.1 5XX Small system Hardware Configuration				277
16.7.2 5XX Large system Hardware Configuration				277
16.8	5XX IPL Performance Measurements (Normal)			278
16.9	5XX IPL Performance Measurements (Abnormal)			278
16.10		5XX IOP vs IOPLess effects on IPL Performance (Normal)		279
16.11		IPL Tips	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	279
Chapter 17. Integrated BladeCenter and System x Performance				280
17.1	Introduction		. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	280
17.2	Effects of Windows and Linux loads on the host system			281
17.2.1 IXS/IXA Disk I/O Operations:				281
17.2.2 iSCSI Disk I/O Operations:			. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	282
17.2.3 iSCSI virtual I/O private memory pool				283
IBM i 6.1 Performance Capabilities Reference - January/April/October 2008
© Copyright IBM Corp. 2008			IBM i Performance Capabilities	7