On Ubuntu ...
kenj@bozo:~/src/pcp/qa/archives$ pmiostat -t 1 -a dm-io -xt,h | head -8
Fri Aug 1 14:34:51 2014 sda 0.0 0.0 0.0 0.0 0.0
0.0 0.00 0.00 0.0 0.0 0.0 0.0
Fri Aug 1 14:34:51 2014 sdb 0.0 0.0 5.0 6.0 24.0
8.0 2.91 0.00 0.4 0.4 0.3 0.4
Fri Aug 1 14:34:52 2014 sda 0.0 0.0 24.0 0.0 816.0
0.0 34.00 0.23 9.6 9.6 0.0 19.0
Fri Aug 1 14:34:52 2014 sdb 5.0 0.0 1308.0 5.0 53363.0
7.0 40.65 1.15 0.9 0.9 0.2 61.1
Fri Aug 1 14:34:53 2014 sda 0.0 0.0 7.0 0.0 517.0
0.0 73.86 0.09 12.1 12.1 0.0 6.2
Fri Aug 1 14:34:53 2014 sdb 1.0 0.0 1867.0 6.0 20462.0
8.0 10.93 0.80 0.4 0.4 14.3 64.1
Fri Aug 1 14:34:54 2014 sda 0.0 1.0 8.0 11.0 1048.0
279.0 69.84 0.13 6.7 11.5 3.2 7.2
Fri Aug 1 14:34:54 2014 sdb 1.0 0.0 935.0 11.0 12795.0
107.0 13.64 0.93 1.0 0.6 33.2 55.6
kenj@bozo:~/src/pcp/qa/archives$
and on Mac OS X
fuji:archives kenj$ pmiostat -t 1 -a dm-io -xt,h | head -8
Fri Aug 1 14:34:51 2014 sda 0.0 0.0 0.0 0.0 0.0
0.0 0.00 0.00 0.0 0.0 0.0 0.0
Fri Aug 1 14:34:51 2014 sdb 0.0 0.0 5.0 6.0 24.0
8.0 2.91 0.00 0.4 0.4 0.3 0.4
Fri Aug 1 14:34:52 2014 sda 0.0 0.0 0.0 0.0 0.2
0.0 34.00 0.00 9.6 9.6 0.0 0.0
Fri Aug 1 14:34:52 2014 sdb 0.0 0.0 0.3 0.0 12.4
0.0 40.65 0.00 0.9 0.9 0.2 0.0
Fri Aug 1 14:34:53 2014 sda ? ? ? ? ?
? ? ? ? ? ? ?
Fri Aug 1 14:34:53 2014 sdb ? ? ? ? ?
? ? ? ? ? ? ?
Fri Aug 1 14:34:54 2014 sda 0.0 1.0 8.0 11.0 1048.0
279.0 69.84 0.13 6.7 11.5 3.2 7.2
Fri Aug 1 14:34:54 2014 sdb 1.0 0.0 935.0 11.0 12795.0
107.0 13.64 0.93 1.0 0.6 33.2 55.6
fuji:archives kenj$
There are no <mark> records in this archive and the data looks good in the time
region in question ...
14:34:52.350 60.0.4 (disk.dev.read):
inst [0 or "sda"] value 15954
inst [1 or "sdb"] value 28066
14:34:53.443 60.0.4 (disk.dev.read):
inst [0 or "sda"] value 15960
inst [1 or "sdb"] value 30177
14:34:54.956 60.0.4 (disk.dev.read):
inst [0 or "sda"] value 15974
inst [1 or "sdb"] value 31224
Hard to see how this is a QA problem, so looks like a real code issue here ...
another problem delivered on the cart labeled Python?
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