<s>
In	O
computer	B-General_Concept
storage	I-General_Concept
,	O
cold	B-General_Concept
data	I-General_Concept
refers	O
to	O
data	O
that	O
is	O
rarely	O
accessed	O
,	O
therefore	O
considered	O
"	O
cold	O
"	O
.	O
</s>
<s>
Cold	B-General_Concept
data	I-General_Concept
is	O
the	O
opposite	O
of	O
hot	O
data	O
,	O
which	O
is	O
data	O
that	O
is	O
frequently	O
accessed	O
.	O
</s>
<s>
To	O
optimize	O
storage	O
costs	O
,	O
cold	B-General_Concept
data	I-General_Concept
can	O
be	O
stored	O
on	O
lower	O
performing	O
and	O
less	O
expensive	O
storage	O
media	O
.	O
</s>
<s>
For	O
example	O
,	O
solid	B-Device
state	I-Device
disks	I-Device
may	O
be	O
used	O
for	O
storing	O
hot	O
data	O
,	O
while	O
cold	B-General_Concept
data	I-General_Concept
can	O
be	O
moved	O
to	O
hard	B-Device
drives	I-Device
,	O
optical	B-Device
discs	I-Device
,	O
tapes	B-Operating_System
or	O
migrated	O
to	O
cloud	O
storage	O
.	O
</s>
