<s>
Oracle	B-Application
ZFS	I-Application
is	O
a	O
proprietary	O
file	B-Application
system	I-Application
and	O
logical	B-Application
volume	I-Application
manager	I-Application
.	O
</s>
<s>
ZFS	B-Application
is	O
scalable	O
,	O
and	O
includes	O
extensive	O
protection	O
against	O
data	O
corruption	O
,	O
support	O
for	O
high	O
storage	O
capacities	O
,	O
efficient	O
data	B-General_Concept
compression	I-General_Concept
,	O
integration	O
of	O
the	O
concepts	O
of	O
filesystem	B-Application
and	O
volume	B-Application
management	I-Application
,	O
snapshots	B-Application
and	O
copy-on-write	B-Language
clones	O
,	O
continuous	O
integrity	O
checking	O
and	O
automatic	O
repair	O
,	O
RAID-Z	O
,	O
native	O
NFSv4	O
ACLs	O
,	O
and	O
can	O
be	O
very	O
precisely	O
configured	O
.	O
</s>
<s>
ZFS	B-Application
is	O
a	O
registered	O
trademark	O
belonging	O
to	O
Oracle	B-Application
.	O
</s>
<s>
In	O
update	O
2	O
and	O
later	O
,	O
ZFS	B-Application
is	O
part	O
of	O
Sun	O
's	O
own	O
Solaris	B-Application
10	I-Application
operating	O
system	O
and	O
is	O
thus	O
available	O
on	O
both	O
SPARC	B-Architecture
and	O
x86-based	B-Operating_System
systems	I-Operating_System
.	O
</s>
<s>
After	O
Oracle	B-Application
's	O
Solaris	B-Application
11	I-Application
Express	O
release	O
,	O
the	O
OS/Net	B-Operating_System
consolidation	O
(	O
the	O
main	O
OS	O
code	O
)	O
was	O
made	O
proprietary	O
and	O
closed-source	O
,	O
and	O
further	O
ZFS	B-Application
upgrades	O
and	O
implementations	O
inside	O
Solaris	B-Application
(	O
such	O
as	O
encryption	O
)	O
are	O
not	O
compatible	O
with	O
other	O
non-proprietary	O
implementations	O
which	O
use	O
previous	O
versions	O
of	O
ZFS	B-Application
.	O
</s>
<s>
When	O
creating	O
a	O
new	O
ZFS	B-Application
pool	O
,	O
to	O
retain	O
the	O
ability	O
to	O
use	O
access	O
the	O
pool	O
from	O
other	O
non-proprietary	O
Solaris-based	O
distributions	O
,	O
it	O
is	O
recommended	O
to	O
upgrade	O
to	O
Solaris	B-Application
11	I-Application
Express	O
from	O
OpenSolaris	B-Operating_System
(	O
snv_134b	O
)	O
,	O
and	O
thereby	O
stay	O
at	O
ZFS	B-Application
version	O
28	O
.	O
</s>
<s>
On	O
September	O
2	O
,	O
2017	O
,	O
Simon	B-Language
Phipps	I-Language
reported	O
that	O
Oracle	B-Application
had	O
laid	O
off	O
virtually	O
all	O
of	O
its	O
Solaris	B-Application
core	O
development	O
staff	O
,	O
interpreting	O
it	O
as	O
a	O
sign	O
that	O
Oracle	B-Application
no	O
longer	O
intends	O
to	O
support	O
future	O
development	O
of	O
the	O
platform	O
.	O
</s>
<s>
ZFS	B-Application
Pool	O
Version	O
Number	O
OS	O
Release	O
Significant	O
changes	O
Solaris	B-Application
Nevada	O
b148	O
RAID-Z/mirror	O
hybrid	O
allocator	O
Solaris	B-Application
Nevada	O
b149	O
ZFS	B-Application
encryption	O
Solaris	B-Application
Nevada	O
b150	O
Improved	O
'	O
zfs	B-Application
list	O
 '	O
performance	O
Solaris	B-Application
Nevada	O
b151	O
One	O
MB	O
block	O
support	O
Solaris	B-Application
Nevada	O
b163	O
Improved	O
share	O
support	O
Solaris	B-Application
11.1	O
(	O
0.5.11-0.175.1.0.0.24.2	O
)	O
Sharing	O
with	O
inheritance	O
Solaris	B-Application
11.2	O
(	O
0.5.11-0.175.2.0.0.42.0	O
)	O
Sequential	O
resilver	O
Solaris	B-Application
11.3	O
Efficient	O
log	O
block	O
allocation	O
Solaris	B-Application
11.3	O
LZ4	B-Language
compression	I-Language
Solaris	B-Application
11.4xcopy	O
with	O
encryption	O
Solaris	B-Application
11.4reduce	O
resilver	O
restart	O
Solaris	B-Application
11.4Deduplication	O
2	O
Solaris	B-Application
11.4Asynchronous	O
dataset	O
destroy	O
Solaris	B-Application
11.4Reguid	O
:	O
ability	O
to	O
change	O
the	O
pool	O
guid	O
Solaris	B-Application
11.4	O
,	O
Oracle	B-Application
ZFS	I-Application
Storage	O
Simulator	O
8.7RAID-Z	O
improvements	O
and	O
cloud	O
device	O
support	O
.	O
</s>
