<s>
A	O
fuzzy	B-Device
backup	I-Device
is	O
a	O
secondary	O
(	O
or	O
backup	B-Protocol
)	O
copy	O
of	O
data	O
file(s )	O
or	O
directories	O
that	O
were	O
in	O
one	O
state	O
when	O
the	O
backup	B-Protocol
started	O
,	O
but	O
in	O
a	O
different	O
state	O
by	O
the	O
time	O
the	O
backup	B-Protocol
completed	O
.	O
</s>
<s>
This	O
may	O
result	O
in	O
the	O
backup	B-Protocol
copy	I-Protocol
being	O
unusable	O
because	O
of	O
the	O
data	B-General_Concept
inconsistencies	I-General_Concept
.	O
</s>
<s>
Although	O
the	O
backup	B-Protocol
process	O
might	O
have	O
seemed	O
successful	O
,	O
the	O
resultant	O
copies	O
of	O
the	O
files	O
or	O
directories	O
could	O
be	O
useless	O
because	O
a	O
restore	O
would	O
yield	O
inconsistent	O
and	O
unusable	O
data	O
.	O
</s>
