<s>
The	O
Open	B-Operating_System
Compute	I-Operating_System
Project	I-Operating_System
(	O
OCP	O
)	O
is	O
an	O
organization	O
that	O
shares	O
designs	O
of	O
data	B-Operating_System
center	I-Operating_System
products	O
and	O
best	O
practices	O
among	O
companies	O
,	O
including	O
ARM	O
,	O
Meta	O
,	O
IBM	O
,	O
Wiwynn	O
,	O
Intel	O
,	O
Nokia	O
,	O
Google	B-Application
,	O
Microsoft	O
,	O
Seagate	O
Technology	O
,	O
Dell	O
,	O
Rackspace	O
,	O
Hewlett	O
Packard	O
Enterprise	O
,	O
NVIDIA	O
,	O
Cisco	O
,	O
Goldman	O
Sachs	O
,	O
Fidelity	O
,	O
Lenovo	O
and	O
Alibaba	O
Group	O
.	O
</s>
<s>
The	O
Open	B-Operating_System
Compute	I-Operating_System
Project	I-Operating_System
Foundation	O
is	O
a	O
501(c )	O
(	O
6	O
)	O
non-profit	O
incorporated	O
in	O
the	O
state	O
of	O
Delaware	O
.	O
</s>
<s>
In	O
addition	O
to	O
Mark	O
Roenigk	O
who	O
represents	O
Facebook	O
,	O
other	O
organizations	O
on	O
the	O
Open	B-Operating_System
Compute	I-Operating_System
board	O
of	O
directors	O
include	O
Intel	O
(	O
Rebecca	O
Weekly	O
)	O
,	O
Microsoft	O
(	O
Kushagra	O
Vaid	O
)	O
,	O
Google	B-Application
(	O
Partha	O
Ranganathan	O
)	O
,	O
and	O
Rackspace	O
(	O
Jim	O
Hawkins	O
)	O
.	O
</s>
<s>
The	O
Open	B-Operating_System
Compute	I-Operating_System
Project	I-Operating_System
began	O
in	O
Facebook	O
as	O
an	O
internal	O
project	O
in	O
2009	O
called	O
"	O
Project	O
Freedom	O
"	O
.	O
</s>
<s>
The	O
three	O
would	O
later	O
open	O
source	O
the	O
designs	O
of	O
Project	O
Freedom	O
and	O
co-found	O
the	O
Open	B-Operating_System
Compute	I-Operating_System
Project	I-Operating_System
.	O
</s>
<s>
The	O
Open	B-Operating_System
Compute	I-Operating_System
Project	I-Operating_System
Foundation	O
maintains	O
a	O
number	O
of	O
OCP	O
projects	O
,	O
such	O
as	O
:	O
</s>
<s>
Two	O
years	O
after	O
Open	B-Operating_System
Compute	I-Operating_System
Project	I-Operating_System
had	O
started	O
,	O
with	O
regards	O
to	O
a	O
more	O
modular	O
server	O
design	O
,	O
it	O
was	O
admitted	O
that	O
"	O
the	O
new	O
design	O
is	O
still	O
a	O
long	O
way	O
from	O
live	O
data	B-Operating_System
centers	I-Operating_System
"	O
.	O
</s>
<s>
However	O
,	O
some	O
aspects	O
published	O
were	O
used	O
in	O
Facebook	O
's	O
Prineville	O
data	B-Operating_System
center	I-Operating_System
to	O
improve	O
energy	O
efficiency	O
,	O
as	O
measured	O
by	O
the	O
power	O
usage	O
effectiveness	O
index	O
defined	O
by	O
The	O
Green	O
Grid	O
.	O
</s>
<s>
In	O
2013	O
,	O
Calxeda	B-Architecture
contributed	O
a	O
design	O
with	O
ARM	B-Architecture
architecture	I-Architecture
processors	O
.	O
</s>
<s>
Open	O
Vault	O
storage	O
building	O
blocks	O
offer	O
high	O
disk	B-Device
densities	O
,	O
with	O
30	O
drives	O
in	O
a	O
2U	O
Open	B-Application
Rack	I-Application
chassis	O
designed	O
for	O
easy	O
disk	B-Device
drive	I-Device
replacement	O
.	O
</s>
<s>
The	O
3.5	O
inch	O
disks	B-Device
are	O
stored	O
in	O
two	O
drawers	O
,	O
five	O
across	O
and	O
three	O
deep	O
in	O
each	O
drawer	O
,	O
with	O
connections	O
via	O
serial	O
attached	O
SCSI	O
.	O
</s>
<s>
This	O
storage	O
is	O
also	O
called	O
Knox	O
,	O
and	O
there	O
is	O
also	O
a	O
cold	O
storage	O
variant	O
where	O
idle	O
disks	B-Device
power	O
down	O
to	O
reduce	O
energy	O
consumption	O
.	O
</s>
<s>
The	O
designs	O
for	O
a	O
mechanical	O
mounting	O
system	O
have	O
been	O
published	O
,	O
so	O
that	O
open	B-Application
racks	I-Application
have	O
the	O
same	O
outside	O
width	O
(	O
600mm	O
)	O
and	O
depth	O
as	O
standard	O
19-inch	B-Application
racks	I-Application
,	O
but	O
are	O
designed	O
to	O
mount	O
wider	O
chassis	O
with	O
a	O
537mm	O
width	O
(	O
21	O
inches	O
)	O
.	O
</s>
<s>
The	O
OCP	O
has	O
published	O
data	B-Operating_System
center	I-Operating_System
designs	O
for	O
energy	O
efficiency	O
.	O
</s>
<s>
These	O
include	O
power	O
distribution	O
at	O
277	O
VAC	O
,	O
which	O
eliminates	O
one	O
transformer	O
stage	O
in	O
typical	O
data	B-Operating_System
centers	I-Operating_System
,	O
a	O
single	O
voltage	O
(	O
12.5	O
VDC	O
)	O
power	O
supply	O
designed	O
to	O
work	O
with	O
277	O
VAC	O
input	O
,	O
and	O
48	O
VDC	O
battery	O
backup	O
.	O
</s>
<s>
On	O
May	O
8	O
,	O
2013	O
,	O
an	O
effort	O
to	O
define	O
an	O
open	O
network	B-Protocol
switch	I-Protocol
was	O
announced	O
.	O
</s>
<s>
The	O
plan	O
was	O
to	O
allow	O
Facebook	O
to	O
load	O
its	O
own	O
operating	B-General_Concept
system	I-General_Concept
software	O
onto	O
the	O
switch	O
.	O
</s>
<s>
The	O
first	O
attempt	O
at	O
an	O
open	O
networking	B-Protocol
switch	I-Protocol
by	O
Facebook	O
was	O
designed	O
together	O
with	O
Taiwanese	O
ODM	O
Accton	O
using	O
Broadcom	O
Trident	O
II	O
chip	O
and	O
is	O
called	O
Wedge	O
,	O
the	O
Linux	O
OS	O
that	O
it	O
runs	O
is	O
called	O
FBOSS	O
.	O
</s>
<s>
Capable	O
of	O
running	O
Open	B-Application
Network	I-Application
Install	I-Application
Environment	I-Application
(	O
ONIE	B-Application
)	O
-compatible	O
network	B-Protocol
operating	I-Protocol
systems	I-Protocol
such	O
as	O
Cumulus	O
Linux	O
,	O
Switch	O
Light	O
OS	O
by	O
Big	O
Switch	O
Networks	O
,	O
or	O
PICOS	O
by	O
Pica8	O
.	O
</s>
<s>
A	O
similar	O
project	O
for	O
a	O
custom	O
switch	O
for	O
the	B-Application
Google	I-Application
platform	O
had	O
been	O
rumored	O
,	O
and	O
evolved	O
to	O
use	O
the	O
OpenFlow	B-Protocol
protocol	O
.	O
</s>
<s>
Sub-project	O
for	O
Mezzanine	O
(	O
NIC	B-Protocol
)	O
OCP	O
NIC	B-Protocol
3.0	O
specification	O
1v00	O
was	O
released	O
in	O
late	O
2019	O
establishing	O
3	O
form	O
factors	O
:	O
SFF	O
,	O
TSFF	O
,	O
and	O
LFF	O
.	O
</s>
<s>
In	O
March	O
,	O
2015	O
,	O
BladeRoom	O
Group	O
Limited	O
and	O
Bripco	O
(	O
UK	O
)	O
Limited	O
sued	O
Facebook	O
,	O
Emerson	O
Electric	O
Co	O
.	O
and	O
others	O
alleging	O
that	O
Facebook	O
has	O
disclosed	O
BladeRoom	O
and	O
Bripco	O
's	O
trade	O
secrets	O
for	O
prefabricated	O
data	B-Operating_System
centers	I-Operating_System
in	O
the	O
Open	B-Operating_System
Compute	I-Operating_System
Project	I-Operating_System
.	O
</s>
