150 Storage Management with DB2 for OS/390
1. For LCUs 0046-0049:07, 08, 12, 8B, 91, 1E, C8, D02. For LCUs 004A-004D:0A, 8C, 95, 15, 8F, C1, D2This results in a total of 16 different paths. Look at their busy percentage in thechannel path activity report.

Figure69. CaseStudy RMFI/O Queuing ActivityExtract

12.2.1.3 Channel Path Activity Report Analysis

Figure 70 on page 150 shows an extract of this report, which establishes:1. Those paths are not EMIF shared.2. Their utilization is lower than 14% and well balanced.So there is no pathcontention concern.

Figure 70. CaseStudy RMF C hannel Path Activity Extract

I/O QUEUING ACTIVITY
( RMF Report extract for first RVA)
0046 0.000 0.00 0.00 2B00 07 1.988 0.07 0.15
08 1.980 0.11 0.11
12 1.985 0.04 0.02
8B 1.969 0.09 0.16
2B01 91 1.961 0.13 0.24
1E 1.967 0.04 0.31
C8 1.966 0.07 0.16
D0 1.964 0.07 0.24
( RMF Report extract for second RVA)
004A 0.000 0.00 0.00 2C00 0A 0.464 0.00 0.19
8C 0.456 0.10 0.19
95 0.463 0.09 0.19
C3 0.466 0.09 0.28
2C01 15 0.463 0.19 0.09
8F 0.471 0.18 0.46
C1 0.471 0.00 0.19
D2 0.466 0.09 0.19
CHANNEL PATH ACTIVITY
CHANNEL PATH UTILIZATION(%) CHANNEL PATH UTILIZATION(%) CHANNEL PATH UTILIZATION(%)
ID TYPE SHR PARTITION TOTAL ID TYPE SHR P ARTITION TOTAL ID TYPE SHR PARTITION TOTA L
00 CNC_S 0.00 08 CNC_S 13.87 10 CNC_S 0.00
01 CNC_S 0.02 09 CNC_S 0.02 11 CNC_S 0.02
02 CNC_S 0.02 0A CNC_S 12.30 12 CNC_S 13.88
03 CNC_S 0.02 0B CNC_S 0.05 13 CNC_S 0.03
04 CNC_S 0.02 0C CNC_S 0.00 14 CNC_S 0.02
05 CNC_S 0.01 0D OFFLINE 15 CNC_S 12.44
06 CNC_S 0.00 0E CNC_S 0.00 16 CNC_S 0.01
07 CNC_S 13.75 0F CNC_S 0.00 17 CNC_S 0.00
1E CNC_S 13.66 26 CNC_S 0.03 2E CNC_S 0.03
1F CNC_S 0.03 27 CNC_S 0.02 2F CNC_S 0.01
34 OFFLINE 8D CNC_S 0.02 95 CNC_S 12.24
80 OFFLINE 8E CNC_S 0.01 96 CNC_S 0.06
84 OSA 0.02 8F CNC_S 12.28 97 CNC_S 0.02
88 CNC_S 0.00 90 CNC_S 0.03 98 CNC_S 0.03
89 CNC_S 0.02 91 CNC_S 13.87 99 CNC_S 0.51
8A CNC_S 0.02 92 CNC_S 0.01 9A CNC_S 0.00
8B CNC_S 13.63 93 CNC_S 0.02 9B CNC_S 0.00
8C CNC_S 12.31 94 CNC_S 0.02 9C CNC_S 0.04
C0 CNC_S 0.02 C8 CNC_S 13.83 D0 CNC_S 13.63
C1 CNC_S 12.34 C9 CNC_S 0.00 D1 CNC_S 0.03
C2 CNC_S 0.03 CA CNC_S 0.00 D2 CNC_S 12.24
C3 CNC_S 12.33 CB CNC_S 0.00 D3 CNC_S 0.01