<s>
High	B-Application
Performance	I-Application
Storage	I-Application
System	I-Application
(	O
HPSS	O
)	O
is	O
a	O
flexible	O
,	O
scalable	B-Architecture
,	O
policy-based	O
,	O
software-defined	O
Hierarchical	B-Application
Storage	I-Application
Management	I-Application
product	O
developed	O
by	O
the	O
HPSS	O
Collaboration	O
.	O
</s>
<s>
It	O
provides	O
scalable	B-Architecture
hierarchical	B-Application
storage	I-Application
management	I-Application
(	O
HSM	O
)	O
,	O
archive	O
,	O
and	O
file	O
system	O
services	O
using	O
cluster	O
,	O
LAN	B-General_Concept
and	O
SAN	O
technologies	O
to	O
aggregate	O
the	O
capacity	O
and	O
performance	O
of	O
many	O
computers	O
,	O
disks	O
,	O
disk	O
systems	O
,	O
tape	O
drives	O
,	O
and	O
tape	O
libraries	O
.	O
</s>
<s>
Among	O
them	O
are	O
support	O
for	O
FTP	B-Protocol
,	O
parallel	O
FTP	B-Protocol
,	O
FUSE	B-Application
(	O
Linux	B-Application
)	O
,	O
as	O
well	O
as	O
a	O
robust	O
client	O
API	B-General_Concept
with	O
support	O
for	O
parallel	O
I/O	O
.	O
</s>
<s>
As	O
of	O
version	O
7.5	O
,	O
HPSS	O
has	O
full	O
support	O
on	O
Linux	B-Application
.	O
</s>
<s>
The	O
HPSS	O
client	O
API	B-General_Concept
is	O
supported	O
on	O
AIX	B-Application
,	O
Linux	B-Application
,	O
and	O
Solaris	B-Application
.	O
</s>
<s>
The	O
implementation	O
is	O
built	O
around	O
IBM	O
's	O
Db2	B-Application
,	O
a	O
scalable	B-Architecture
relational	B-Application
database	I-Application
management	I-Application
system	I-Application
.	O
</s>
<s>
On	O
November	O
14	O
,	O
2007	O
,	O
the	O
San	O
Diego	O
Supercomputer	O
Center	O
along	O
with	O
IBM	O
,	O
DataDirect	O
,	O
and	O
Brocade	O
demonstrated	O
a	O
"	O
Billion	O
File	O
"	O
test	O
which	O
successfully	O
backed	O
up	O
a	O
billion	O
files	O
from	O
GPFS	B-Application
into	O
HPSS	O
.	O
</s>
<s>
In	O
May	O
2013	O
a	O
380	O
Petabyte	O
HPSS	O
installation	O
entered	O
service	O
at	O
the	O
National	B-General_Concept
Center	I-General_Concept
for	I-General_Concept
Supercomputing	I-General_Concept
Applications	I-General_Concept
(	O
NCSA	O
)	O
at	O
the	O
University	O
of	O
Illinois	O
at	O
Urbana-Champaign	O
.	O
</s>
