Striping samples was: Performance Impact of going from 2 parity drives to 4 parity drives in a 4-disk RAID set

Here's some raid striping samples.

LPAR1:
Size %
Unit Type (M) Used
1 4327 52923 67.7
2 4327 52923 67.7
3 4327 52923 67.7
4 4327 52923 67.7

LPAR2:
Size %
Unit Type (M) Used
1 4328 141129 62.8
2 4328 105847 62.8
3 4328 105847 62.8
4 4328 105847 62.8
5 4328 105847 62.8
6 4328 141129 62.8
7 4327 52923 62.8
8 4327 52923 62.8
9 4327 52923 62.8
10 4327 52923 62.8

LPAR 3
Size %
Unit Type (M) Used
1 433B 61069 46.6
2 433B 61069 46.6
3 433B 61069 46.6
4 433B 61069 46.6
5 433B 61069 46.6
6 433B 61069 46.6
7 433B 61069 46.6
8 433B 61069 46.6

LPAR4:
Size %
Unit Type (M) Used
1 4328 141129 43.4
2 4328 105847 55.9
3 4328 105847 55.0
4 4328 105847 57.2
5 4328 105847 54.3
6 4328 141129 49.6
7 4328 141129 43.4
8 4328 141129 43.4
9 4328 141129 43.4
10 4328 141129 43.4
11 4328 141129 43.4
12 4328 141129 43.4

LPAR5:
Size %
Unit Type (M) Used
1 4327 70564 36.1
2 4327 70564 36.1
3 4327 70564 36.1
4 4327 52923 36.1
5 4327 70564 36.1
6 4327 52923 36.1
7 4327 70564 36.1
8 4327 70564 36.1
9 4327 70564 36.1
10 4327 52923 36.1
11 4327 70564 36.1
12 4327 52923 36.1
13 4327 52923 36.1
14 4327 52923 36.1
15 4327 52923 36.1
16 4327 52923 36.1
17 4327 70564 36.1
18 4327 70564 36.1
19 4327 70564 36.1
20 4327 70564 36.1

LPAR6:
Size %
Unit Type (M) Used
1 433C 139594 66.4
1 433C 139594 66.4
2 4328 123488 66.4
3 4328 141129 66.4
4 4328 123488 66.4
5 4328 123488 66.4
6 4328 123488 66.4
7 4328 123488 66.4
8 4328 123488 66.4
9 4328 123488 66.4
10 4328 123488 66.4
11 4328 141129 66.4

Last LPAR:
Size %
Unit Type (M) Used
1 4327 70564 60.7
2 4327 61744 60.7
3 4327 61744 60.7
4 4327 70564 60.7
5 4327 61744 60.7
6 4327 52923 60.7
7 4327 52923 60.7
8 4327 61744 60.7
9 4327 61744 60.7
10 4327 52923 60.7
11 4327 70564 60.7
12 4327 61744 60.7
13 4327 61744 60.7
14 4327 61744 60.7
15 4327 52923 60.7
16 4327 61744 60.7
17 4327 70564 60.7
18 4327 61744 60.7
19 4327 61744 60.7
20 4327 52923 60.7
21 4327 52923 60.7
22 4327 61744 60.7
23 4327 70564 60.7
24 4327 52923 60.7
25 4327 61744 60.7
26 4327 61744 60.7
27 4327 61744 60.7
28 4327 52923 60.7
29 4327 61744 60.7
30 4327 70564 60.7
31 4327 52923 60.7
32 4327 52923 60.7
33 4327 70564 60.7
34 4327 52923 60.7
35 4327 52923 60.7
36 4327 70564 60.7
37 4327 70564 60.7
38 4327 61744 60.7
39 4327 70564 60.7
40 4327 61744 60.7
41 4327 61744 60.7
42 4327 61744 60.7
43 4327 52923 60.7
44 4327 52923 60.7
45 4327 52923 60.7
46 4327 61744 60.7
47 4327 61744 60.7
48 4327 61744 60.7
49 4327 70564 60.7
50 4327 52923 60.7
51 4327 70564 60.7
52 4327 61744 60.7
53 4327 52923 60.7
54 4327 52923 60.7
55 4327 52923 60.7
56 4327 52923 60.7
57 4327 52923 60.7
58 4327 52923 60.7
59 4327 52923 60.7
60 4327 52923 60.7
61 4327 52923 60.7
62 4327 52923 60.7
63 4327 52923 60.7
64 4327 52923 60.7
65 4327 70564 60.7
66 4327 70564 60.7
67 4327 70564 60.7
68 4327 52923 60.7
69 4327 52923 60.7
70 4327 52923 60.7
71 4327 52923 60.7
72 4327 70564 60.7
73 4327 70564 60.7
74 4327 70564 60.7
75 4327 70564 60.7
76 4327 52923 60.7
77 4327 52923 60.7
78 4327 52923 60.7
79 4327 52923 60.7
80 4327 70564 60.7
81 4327 70564 60.7
82 4327 70564 60.7
83 4327 70564 60.7
84 4327 52923 60.7
85 4327 70564 60.7
86 4327 52923 60.7
87 4327 52923 60.7
88 4327 52923 60.7
89 4327 70564 60.7
90 4327 70564 60.7

Rob Berendt