<s>
In	O
disk	B-General_Concept
arrays	I-General_Concept
,	O
a	O
business	B-General_Concept
continuance	I-General_Concept
volume	I-General_Concept
(	O
BCV	O
)	O
is	O
EMC	O
Corporation	O
's	O
term	O
for	O
an	O
independently	O
addressable	O
copy	O
of	O
a	O
data	O
volume	O
,	O
that	O
uses	O
advanced	O
mirroring	O
technique	O
for	O
business	O
continuity	O
purposes	O
.	O
</s>
<s>
BCVs	O
can	O
be	O
detached	O
from	O
the	O
active	O
data	O
storage	O
at	O
a	O
point	O
in	O
time	O
and	O
mounted	O
on	O
non-critical	O
servers	O
to	O
facilitate	O
offline	O
backup	B-Protocol
or	O
parallel	B-Operating_System
computing	I-Operating_System
.	O
</s>
