<s>
BeeGFS	B-Application
(	O
formerly	O
FhGFS	B-Application
)	O
is	O
a	O
parallel	B-Application
file	I-Application
system	I-Application
,	O
developed	O
and	O
optimized	O
for	O
high-performance	B-Architecture
computing	I-Architecture
.	O
</s>
<s>
BeeGFS	B-Application
includes	O
a	O
distributed	O
metadata	O
architecture	O
for	O
scalability	O
and	O
flexibility	O
reasons	O
.	O
</s>
<s>
BeeGFS	B-Application
was	O
originally	O
developed	O
at	O
the	O
Fraunhofer	O
Center	O
for	O
High	B-Architecture
Performance	I-Architecture
Computing	I-Architecture
in	O
Germany	O
by	O
a	O
team	O
around	O
Sven	O
Breuner	O
,	O
who	O
later	O
became	O
the	O
CEO	O
of	O
ThinkParQ	O
(	O
2014	O
-	O
2018	O
)	O
,	O
the	O
spin-off	O
company	O
that	O
was	O
founded	O
in	O
2014	O
to	O
maintain	O
BeeGFS	B-Application
and	O
offer	O
professional	O
services	O
.	O
</s>
<s>
Whilst	O
the	O
Community	O
Edition	O
of	O
BeeGFS	B-Application
can	O
be	O
downloaded	O
and	O
used	O
free	O
of	O
charge	O
,	O
the	O
Enterprise	O
Edition	O
must	O
be	O
used	O
under	O
a	O
professional	O
support	O
subscription	O
contract	O
.	O
</s>
<s>
BeeGFS	B-Application
started	O
in	O
2005	O
as	O
an	O
in-house	O
development	O
at	O
Fraunhofer	O
Center	O
for	O
HPC	B-Architecture
to	O
replace	O
the	O
existing	O
file	O
system	O
on	O
the	O
institute	O
's	O
new	O
compute	O
cluster	O
and	O
to	O
be	O
used	O
in	O
a	O
production	O
environment	O
.	O
</s>
<s>
In	O
2014	O
,	O
Fraunhofer	O
started	O
its	O
spin-off	O
,	O
the	O
new	O
company	O
called	O
ThinkParQ	O
for	O
BeeGFS	B-Application
.	O
</s>
<s>
In	O
this	O
process	O
,	O
FhGFS	B-Application
was	O
renamed	O
and	O
became	O
BeeGFS®	O
.	O
</s>
<s>
Due	O
to	O
the	O
nature	O
of	O
BeeGFS	B-Application
being	O
free	O
of	O
charge	O
,	O
it	O
is	O
unknown	O
how	O
many	O
active	O
installations	O
there	O
are	O
.	O
</s>
<s>
However	O
,	O
in	O
2014	O
there	O
were	O
already	O
around	O
100	O
customers	O
worldwide	O
that	O
used	O
BeeGFS	B-Application
with	O
commercial	O
support	O
by	O
ThinkParQ	O
and	O
Fraunhofer	O
.	O
</s>
<s>
Notable	O
installations	O
include	O
several	O
TOP500	B-Operating_System
computers	O
such	O
as	O
the	O
Loewe-CSC	O
cluster	O
at	O
the	O
Goethe	O
University	O
Frankfurt	O
,	O
Germany	O
(	O
#22	O
on	O
installation	O
)	O
,	O
the	O
Vienna	O
Scientific	O
Cluster	O
at	O
the	O
University	O
of	O
Vienna	O
,	O
Austria	O
(	O
#56	O
on	O
installation	O
)	O
,	O
and	O
the	O
Abel	O
cluster	O
at	O
the	O
University	O
of	O
Oslo	O
,	O
Norway	O
(	O
#96	O
on	O
installation	O
)	O
.	O
</s>
<s>
When	O
developing	O
BeeGFS	B-Application
,	O
Fraunhofer	O
aimed	O
to	O
create	O
a	O
software	O
focused	O
on	O
scalability	O
,	O
flexibility	O
and	O
usability	O
.	O
</s>
<s>
BeeGFS	B-Application
runs	O
on	O
any	O
Linux	B-Application
machine	O
and	O
consists	O
of	O
several	O
components	O
that	O
include	O
services	O
for	O
clients	O
,	O
metadata	O
servers	O
and	O
storage	O
servers	O
.	O
</s>
<s>
To	O
run	O
BeeGFS	B-Application
,	O
at	O
least	O
one	O
instance	O
of	O
the	O
metadata	O
server	O
and	O
the	O
storage	O
server	O
is	O
required	O
.	O
</s>
<s>
But	O
BeeGFS	B-Application
allows	O
multiple	O
instances	O
of	O
each	O
service	O
to	O
distribute	O
the	O
load	O
from	O
a	O
large	O
number	O
of	O
clients	O
.	O
</s>
<s>
A	O
common	O
way	O
among	O
BeeGFS	B-Application
users	O
to	O
take	O
advantage	O
of	O
this	O
is	O
combining	O
metadata	O
servers	O
and	O
storage	O
servers	O
on	O
the	O
same	O
machines	O
.	O
</s>
<s>
BeeGFS	B-Application
supports	O
various	O
network-interconnects	O
with	O
dynamic	O
failover	O
such	O
as	O
Ethernet	O
or	O
Infiniband	O
as	O
well	O
as	O
many	O
different	O
Linux	B-Application
distributions	O
and	O
kernels	O
(	O
from	O
2.6.16	O
to	O
the	O
latest	O
vanilla	O
)	O
.	O
</s>
<s>
The	O
GUI	O
provides	O
monitoring	O
of	O
the	O
BeeGFS	B-Application
state	O
and	O
management	O
of	O
system	O
settings	O
.	O
</s>
<s>
Besides	O
managing	O
and	O
administrating	O
the	O
BeeGFS	B-Application
installation	O
,	O
this	O
tool	O
also	O
offers	O
a	O
couple	O
of	O
monitoring	O
options	O
to	O
help	O
identifying	O
performance	O
issues	O
within	O
the	O
system	O
.	O
</s>
<s>
BeeOND	O
(	O
BeeGFS	B-Application
on-demand	O
)	O
allows	O
the	O
creation	O
of	O
BeeGFS	B-Application
file	O
system	O
instances	O
on	O
a	O
set	O
of	O
nodes	O
with	O
one	O
single	O
command	O
line	O
.	O
</s>
<s>
Possible	O
use	O
cases	O
for	O
the	O
tool	O
are	O
manifold	O
;	O
a	O
few	O
include	O
setting	O
up	O
a	O
dedicated	O
parallel	B-Application
file	I-Application
system	I-Application
for	O
a	O
cluster	O
job	O
(	O
often	O
referred	O
to	O
as	O
burst-buffering	O
)	O
,	O
cloud	O
computing	O
or	O
for	O
fast	O
and	O
easy	O
temporary	O
setups	O
for	O
testing	O
purposes	O
.	O
</s>
<s>
An	O
open	O
source	O
container	O
storage	O
interface	O
(	O
CSI	O
)	O
driver	O
enables	O
BeeGFS	B-Application
to	O
be	O
used	O
with	O
container	O
orchestrators	O
like	O
Kubernetes	O
.	O
</s>
<s>
The	O
driver	O
is	O
designed	O
to	O
support	O
environments	O
where	O
containers	O
running	O
in	O
Kubernetes	O
and	O
jobs	O
running	O
in	O
traditional	O
HPC	B-Architecture
workload	O
managers	O
need	O
to	O
share	O
access	O
to	O
the	O
same	O
BeeGFS	B-Application
file	O
system	O
.	O
</s>
<s>
Static	O
provisioning	O
allows	O
administrators	O
to	O
grant	O
containers	O
access	O
to	O
existing	O
directories	O
in	O
BeeGFS	B-Application
.	O
</s>
<s>
Dynamic	O
provisioning	O
allows	O
containers	O
to	O
request	O
BeeGFS	B-Application
storage	O
on-demand	O
(	O
represented	O
as	O
a	O
new	O
directory	O
)	O
.	O
</s>
<s>
Dynamic	O
provisioning	O
takes	O
into	O
account	O
BeeGFS	B-Application
features	O
including	O
storage	O
pools	O
and	O
striping	O
when	O
creating	O
the	O
corresponding	O
directory	O
in	O
BeeGFS	B-Application
.	O
</s>
<s>
This	O
notably	O
simplifies	O
tracking	O
and	O
limiting	O
container	O
consumption	O
of	O
the	O
shared	O
file	O
system	O
using	O
BeeGFS	B-Application
quotas	O
.	O
</s>
<s>
Single	O
node	O
performance	O
on	O
the	O
local	O
file	O
system	O
without	O
BeeGFS	B-Application
is	O
1,332	O
MB/s	O
(	O
write	O
)	O
and	O
1,317	O
MB/s	O
(	O
read	O
)	O
.	O
</s>
<s>
The	O
nodes	O
are	O
equipped	O
with	O
2x	O
Intel	O
Xeon	O
X5660	O
,	O
48	O
GB	O
RAM	O
,	O
4x	O
Intel	O
510	O
Series	O
SSD	O
(	O
RAID	O
0	O
)	O
,	O
Ext4	O
,	O
QDR	O
Infiniband	O
and	O
run	O
Scientific	O
Linux	B-Application
6.3	O
,	O
Kernel	O
2.6.32-279	O
and	O
FhGFS	B-Application
2012.10-beta1	O
.	O
</s>
<s>
Some	O
of	O
the	O
aspects	O
that	O
BeeGFS	B-Application
developers	O
are	O
working	O
on	O
under	O
the	O
scope	O
of	O
this	O
project	O
are	O
:	O
</s>
