PROBLEM:  (Patch ID: OSF425-164)
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The /usr/field/diskx command will fail with data validation errors when
specifying a block device special for testing.

Example: /usr/field/diskx -f /dev/fd0a -w -e 
incorrectly report data errors in the output summary:

Part Seeks  Seek_Er   Writes Writ_Er  MB_Write
a        3        0       30       0       1.4
b        0        0        0       0       0.0 
c        0        0        0       0       0.0
d        0        0        0       0       0.0
e        0        0        0       0       0.0
f        0        0        0       0       0.0
g        0        0        0       0       0.0  
h        0        0        0       0       0.0   

Reads Read_Er  MB_Read  Data_Er
2       0      0.1        3
0       0      0.0        0
0       0      0.0        0
0       0      0.0        0
0       0      0.0        0
0       0      0.0        0
0       0      0.0        0
0       0      0.0        0