<s>
The	O
Veritas	B-Application
Volume	I-Application
Manager	I-Application
(	O
VVM	O
or	O
VxVM	B-Application
)	O
is	O
a	O
proprietary	B-Application
logical	B-Application
volume	I-Application
manager	I-Application
from	O
Veritas	O
(	O
which	O
was	O
part	O
of	O
Symantec	O
until	O
January	O
2016	O
)	O
.	O
</s>
<s>
It	O
is	O
available	O
for	O
Windows	B-Application
,	O
AIX	B-Application
,	O
Solaris	B-Application
,	O
Linux	B-Application
,	O
and	O
HP-UX	B-Application
.	O
</s>
<s>
A	O
modified	O
version	O
is	O
bundled	O
with	O
HP-UX	B-Application
as	O
its	O
built-in	O
volume	B-Application
manager	I-Application
.	O
</s>
<s>
It	O
offers	O
volume	B-Application
management	I-Application
and	O
Multipath	B-General_Concept
I/O	I-General_Concept
functionalities	O
(	O
when	O
used	O
with	O
Veritas	O
Dynamic	O
Multi-Pathing	O
feature	O
)	O
.	O
</s>
<s>
The	O
Veritas	B-Application
Volume	I-Application
Manager	I-Application
Storage	O
Administrator	O
(	O
VMSA	O
)	O
is	O
a	O
GUI	O
manager	O
.	O
</s>
<s>
Microsoft	O
once	O
licensed	O
a	O
version	O
of	O
Veritas	B-Application
Volume	I-Application
Manager	I-Application
for	O
Windows	B-Application
2000	I-Application
,	O
allowing	O
operating	B-General_Concept
systems	I-General_Concept
to	O
store	O
and	O
modify	O
large	O
amounts	O
of	O
data	O
.	O
</s>
<s>
Symantec	O
acquired	O
Veritas	O
on	O
July	O
2	O
,	O
2005	O
,	O
and	O
claimed	O
Microsoft	O
misused	O
their	O
intellectual	O
property	O
to	O
develop	O
functionalities	O
in	O
Windows	B-Application
Server	I-Application
2003	I-Application
,	O
later	O
Windows	B-Application
Vista	I-Application
and	O
Windows	B-Device
Server	I-Device
2008	I-Device
,	O
which	O
competed	O
with	O
Veritas	B-Application
 '	I-Application
Storage	I-Application
Foundation	I-Application
,	O
according	O
to	O
Michael	O
Schallop	O
,	O
the	O
director	O
of	O
legal	O
affairs	O
at	O
Symantec	O
.	O
</s>
