Intel AS/400 RISC Server - Manual (Page 264)

Performance will be limited to the native drive rates (shown in table 15.1.1) because encrypted data
blocks have a very low compaction ratio.
IBM i 6.1 Performance Capabilities Reference - January/April 2008
©
Copyright IBM Corp. 2008 Chapter 15. Save/Restore Performance 264
Tape Backup Performance - Restores
0
50
100
150
200
250
300
1 GB Source File 12 GB User Mix 64 GB Large File 320 GB Large File
GB
/H
R
9406-MMA-4w ay Encrypted ASP RSTLIBBRM NO Softw are Encryption
9406-MMA-4w ay Encrypted ASP RSTLIBBRM With Softw are Encryption
9406-MMA-4w ay NON Encrypted ASP RSTLIBBRM NO Softw are Encryption
9406-MMA-4w ay NON Encrypted ASP RSTLIBBRM With Softw are Encryption
9406-570-4w ay NON Encrypted ASP RSTLIBBRM NO Softw are Encryption
9406-570-4w ay NON Encrypted ASP RSTLIBBRM With Softw are Encryption
CPU Utilization during Restores
0
5
10
15
20
1 GB Source File 12 GB User Mix 64 GB Large File 320 GB Large File
%
C
P
U
U
sed
9406-MMA-4w ay %CPU Used Encrypted ASP RSTLIBBRM NO Softw are Encryption
9406-MMA-4w ay %CPU Used Encrypted ASP RSTLIBBRM With Softw are Encryption
9406-MMA-4w ay %CPU Used NON Encrypted ASP RSTLIBBRM NO Softw are Encryption
9406-MMA-4w ay %CPU Used NON Encrypted ASP RSTLIBBRM With Softw are Encryption
9406-570-4w ay %CPU Used NON Encrypted ASP RSTLIBBRM NO Softw are Encryption
9406-570-4w ay %CPU Used NON Encrypted ASP RSTLIBBRM With Softw are Encryption