Figure 3-35 host delay statistics screen, Figure 3-36 tier delay statistics screen, Figure 3–35 host delay statistics screen – APC SGI 15000 RAID User Manual
Page 77: Figure 3–36 tier delay statistics screen
Controller Management
007-5510-002
63
STATS HOSTDELAY displays a histogram of the time delay between when the last data transfer is set
ready and the host command completes (Figure 3–35). The host ready delay information is shown in
100msec intervals.
Figure 3–35
Host Delay Statistics Screen
STATS TIERDELAY=
for all the disks in the specified tier (Figure 3–36). If no tier is specified, all valid tiers will be displayed.
Figure 3–36
Tier Delay Statistics Screen
Host Command Ready Delay Statistics
Time
15000 [1]: stats hostdelay
Port 1
seconds
Reads
Writes
Port 2
Reads
Writes
Port 3
Reads
Writes
Port 4
Reads
Writes
0.1
0
0
0
0
0
0
0
0
0.2
0
0
0
1
0
0
0
0
0.3
0
0
0
1
2
1
0
0
0.4
0
0
1
2
0
2
0
0
0.5
0
0
0
0
0
0
0
0
0.6
0
0
0
1
0
2
0
0
0.7
0
0
0
1
0
2
0
0
0.8
0
0
0
0
0
0
0
0
0.9
0
0
0
0
0
0
0
0
1.0
0
0
0
0
0
2
0
0
1.1
0
0
0
0
0
0
0
0
1.2
0
0
0
0
0
1
0
0
1.3
0
0
0
0
2
1
0
0
1.4
0
0
0
0
2
1
0
0
1.5
0
0
0
0
0
0
0
0
1.6
0
0
0
0
0
0
0
0
Tier 1 Delay Statistics
Time
15000 [1]: stats tierdelay
Disk Channels
seconds
A
B
C
D
E
F
G
H
P
S
0.1
3407b
33108
339bd
3409f
572c5
34c0d
33640
30603
3391a
7ed5d
0.2
480f4
4885c
4866a
48190
27b83
47910
484cc
4acc1
48196
21e
0.3
2ca6
33d8
2def
2c1f
127
2928
324f
3a63
32a7
0
0.4
d1
1bc
cd
c7
0
c0
185
10f
176
0
0.5
2c
2b
26
12
0
23
27
33
36
0
0.6
13
1b
14
12
0
e
13
1d
1d
0
0.7
13
15
7
a
6
e
15
28
17
0
1.8
0
0
0
0
0
0
0
0
0
0
1.9
0
0
0
0
0
0
0
0
0
0
2.0
0
0
0
0
0
0
0
0
0
0
....
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