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8-12
Sun StorEdge T3 and T3+ Array Field Service Manual • September 2001
8.3.2
Checking Performance Against Baseline Data
If the customer regularly runs a performance monitoring program where thresholds
have been set, the
iostat
command shows whether one path to a Sun StorEdge T3
and T3+ array partner group is not performing to the established base line. For
example:
In the above example, if the normal
iostat
is used as a notification threshold, the
impacted
iostat
indicates that there might be a problem in the master u1ctr
controller in this redundant partner group.
CODE EXAMPLE 8-8
iostat
Output for Normal (Baseline) Operation
r/s w/s Mr/s Mw/s wait actv wsvc_t asvc_t %w %b device
0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 c1t6d0
0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 c0t0d0
0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 c0t2d0
0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 c2t7d0
0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 c2t6d0
0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 c3t1d0
0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 c4t2d1
0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 c5t1d1
54.0 28.5 0.4 7.0 0.0 0.7 0.0 8.3 0 60 c5t1d0 (
normal u1ctr I/O)
0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 c3t1d1
0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 c4t2d0
53.3 26.1 2.2 6.4 0.0 1.6 0.0 19.7 0 59 c6t2d1 (
normal u2ctr I/O)
0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 c6t2d0
CODE EXAMPLE 8-9
iostat
Output for Abnormal (Problem) Operation
r/s w/s Mr/s Mw/s wait actv wsvc_t asvc_t %w %b device
0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 c1t6d0
0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 c0t0d0
0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 c0t2d0
0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 c2t7d0
0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 c2t6d0
0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 c3t1d0
0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 c4t2d1
0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 c5t1d1
13.6 2.1 0.1 0.4 0.0 0.1 0.0 4.4 0 5 c5t1d0
(abnormal u1ctr I/O)
0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 c3t1d1
0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 c4t2d0
53.0 18.6 3.9 4.4 0.0 2.5 0.0 34.6 0 37 c6t2d1
(normal u2ctr I/O)
0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 c6t2d0
Содержание StorEdge T3+
Страница 5: ...Regulatory Compliance Statements v ...
Страница 14: ...xiv Sun StorEdge T3 and T3 Array Field Service Manual September 2001 ...
Страница 36: ...1 6 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 ...
Страница 70: ...3 24 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 ...
Страница 86: ...4 16 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 ...
Страница 154: ...8 30 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 ...
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Страница 188: ...10 24 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 ...
Страница 222: ...D 4 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 ...
Страница 228: ...F 4 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 ...
Страница 240: ...Index 12 Sun StorEdge T3 and T3 Array Field Service Manual September 2001 ...