<s>
Oracle	B-Application
Cloud	I-Application
File	I-Application
System	I-Application
(	O
CloudFS	O
)	O
is	O
a	O
storage	O
management	O
suite	O
developed	O
by	O
Oracle	B-Application
Corporation	I-Application
.	O
</s>
<s>
CloudFS	O
consists	O
of	O
a	O
cluster	B-Application
file	I-Application
system	I-Application
called	O
ASM	B-Application
Cluster	I-Application
File	I-Application
System	I-Application
(	O
ACFS	O
)	O
,	O
and	O
a	O
cluster	O
volume	O
manager	O
called	O
ASM	B-Application
Dynamic	I-Application
Volume	I-Application
Manager	I-Application
(	O
ADVM	O
)	O
initially	O
released	O
in	O
August	O
2007	O
.	O
</s>
<s>
ACFS	O
is	O
a	O
standard-based	O
POSIX	O
(	O
Linux	O
,	O
UNIX	O
)	O
and	O
Windows	O
cluster	B-Application
file	I-Application
system	I-Application
with	O
full	O
cluster-wide	O
file	O
and	O
memory	O
mapped	O
I/O	O
cache	O
coherency	O
and	O
file	O
locking	O
.	O
</s>
<s>
ACFS	O
provides	O
direct	O
I/O	O
for	O
Oracle	B-Application
database	O
I/O	O
workloads	O
.	O
</s>
<s>
CloudFS	O
is	O
built	O
on	O
top	O
of	O
Oracle	B-Application
Automatic	B-Application
Storage	I-Application
Management	I-Application
(	O
ASM	O
)	O
and	O
Oracle	B-Application
clustering	O
technologies	O
to	O
provide	O
cluster	O
volume	O
and	O
file	O
services	O
to	O
clients	O
.	O
</s>
<s>
Starting	O
with	O
the	O
latest	O
release	O
in	O
Oracle	B-Application
Database	O
12c	O
,	O
ACFS	O
supports	O
Oracle	B-Application
database	O
files	O
as	O
well	O
as	O
general	O
purpose	O
files	O
.	O
</s>
