<s>
Hard	B-Application
Disk	I-Application
Sentinel	I-Application
(	O
HDSentinel	O
)	O
is	O
a	O
computer	O
hard	O
disk	O
drive-monitoring	O
software	O
for	O
Windows	B-Application
,	O
Linux	B-Application
and	O
DOS	B-Operating_System
operating	O
systems	O
.	O
</s>
<s>
Hard	B-Application
Disk	I-Application
Sentinel	I-Application
was	O
founded	O
and	O
first	O
released	O
in	O
2005	O
,	O
developed	O
by	O
Heartfelt	O
Development	O
Services	O
,	O
based	O
in	O
Urhida	O
,	O
Hungary	O
,	O
with	O
János	O
Máthé	O
as	O
the	O
company	O
's	O
CEO	O
.	O
</s>
<s>
The	O
first	O
version	O
of	O
Hard	B-Application
Disk	I-Application
Sentinel	I-Application
for	O
Windows	B-Application
released	O
on	O
1	O
November	O
2005	O
.	O
</s>
<s>
In	O
2007	O
,	O
version	O
2.00	O
released	O
with	O
supporting	O
USB	O
drives	O
along	O
with	O
free	O
trial	O
(	O
unregistered	O
)	O
version	O
,	O
Hard	B-Application
Disk	I-Application
Sentinel	I-Application
standard	O
(	O
paid	O
version	O
with	O
basic	O
disk	O
monitoring	O
)	O
and	O
Hard	B-Application
Disk	I-Application
Sentinel	I-Application
Professional	O
(	O
paid	O
version	O
with	O
alerts	O
,	O
detailed	O
reports	O
,	O
tests	O
)	O
.	O
</s>
<s>
Since	O
2009	O
,	O
with	O
version	O
3.00	O
,	O
Hard	B-Application
Disk	I-Application
Sentinel	I-Application
supports	O
numerous	O
RAID	O
controllers	O
,	O
by	O
detection	O
of	O
hard	B-Device
disk	I-Device
status	O
in	O
RAID	O
configurations	O
and	O
disk	O
surface	O
testing	O
.	O
</s>
<s>
Since	O
2012	O
,	O
with	O
version	O
4.00	O
,	O
Hard	B-Application
Disk	I-Application
Sentinel	I-Application
Pro	O
Portable	O
version	O
is	O
available	O
,	O
working	O
without	O
installation	O
.	O
</s>
<s>
In	O
2017	O
,	O
Version	O
5.00	O
released	O
with	O
Disk	O
Repair	O
functionality	O
and	O
Network	O
Attached	O
Storage	O
(	O
NAS	O
)	O
monitoring	O
,	O
export	O
status	O
in	O
XML	B-Protocol
and	O
WMI	O
.	O
</s>
<s>
This	O
allows	O
creating	O
third-party	O
applications/add	O
-ons	O
to	O
work	O
together	O
with	O
Hard	B-Application
Disk	I-Application
Sentinel	I-Application
—	O
integration	O
with	O
NagiOS	O
,	O
for	O
example	O
.	O
</s>
<s>
Version	O
6.10	O
included	O
a	O
more	O
graphic	O
interface	O
on	O
par	O
with	O
Windows	B-Application
11	O
as	O
well	O
as	O
supports	O
quick	O
disk	O
repairing	O
,	O
additional	O
warnings	O
and	O
statuses	O
display	O
.	O
</s>
<s>
The	O
software	O
is	O
designed	O
to	O
find	O
,	O
test	O
,	O
diagnose	O
and	O
repair	O
hard	B-Device
disk	I-Device
drives	I-Device
,	O
reveal	O
problems	O
,	O
display	O
health	O
and	O
avoid	O
failures	O
by	O
using	O
S.M.A.R.T.	O
</s>
<s>
(	O
Self-Monitoring	O
,	O
Analysis	O
and	O
Reporting	O
Technology	O
)	O
function	O
of	O
hard	B-Device
disk	I-Device
drives	I-Device
.	O
</s>
<s>
The	O
detected	O
information	O
can	O
be	O
saved	O
to	O
file	O
in	O
formats	O
such	O
as	O
HTML	B-Language
,	O
text	O
,	O
or	O
XML	B-Protocol
.	O
</s>
<s>
Hard	B-Application
Disk	I-Application
Sentinel	I-Application
has	O
the	O
capability	O
to	O
function	O
for	O
both	O
internal	O
hard	B-Device
disks	I-Device
and	O
external	O
hard	B-Device
disks	I-Device
as	O
well	O
as	O
hybrid	O
disk	O
drives	O
(	O
SSHD	O
)	O
,	O
SSDs	O
,	O
NAS	O
and	O
RAID	O
arrays	O
within	O
the	O
same	O
software	O
.	O
</s>
<s>
In	O
2008	O
,	O
Hard	B-Application
Disk	I-Application
Sentinel	I-Application
DOS	B-Operating_System
version	O
released	O
in	O
different	O
formats	O
on	O
bootable	O
pendrive	O
,	O
CD	O
,	O
floppy	O
.	O
</s>
<s>
Usable	O
when	O
no	O
operating	O
system	O
installed	O
(	O
or	O
if	O
the	O
system	O
is	O
not	O
bootable	O
otherwise	O
)	O
to	O
detect	O
and	O
display	O
temperature	O
,	O
health	O
status	O
of	O
IDE	O
,	O
SATA	O
hard	B-Device
disk	I-Device
drives	I-Device
and	O
with	O
limited	O
AHCI	O
controller	O
support	O
.	O
</s>
<s>
The	O
DOS	B-Operating_System
version	O
has	O
no	O
graphical	O
user	O
interface	O
or	O
disk	O
testing	O
functions	O
and	O
does	O
not	O
support	O
RAID	O
configurations	O
.	O
</s>
<s>
In	O
2008	O
,	O
Hard	B-Application
Disk	I-Application
Sentinel	I-Application
Linux	B-Application
version	O
released	O
,	O
a	O
command-line	O
console	O
tool	O
detection	O
and	O
showing	O
disk	O
status	O
with	O
limited	O
support	O
of	O
RAID	O
configuration	O
and	O
SSDs	O
in	O
addition	O
to	O
hard	B-Device
disk	I-Device
status	O
detection	O
.	O
</s>
<s>
The	O
Linux	B-Application
version	O
is	O
available	O
on	O
x86	O
,	O
x64	O
and	O
Raspberry	O
PI	O
,	O
ARMv5	O
platforms	O
.	O
</s>
<s>
Since	O
30	O
August	O
2017	O
,	O
the	O
Linux	B-Application
version	O
supports	O
industrial	O
SD	O
cards	O
too	O
and	O
can	O
be	O
used	O
with	O
NAS	O
devices	O
.	O
</s>
<s>
The	O
Linux	B-Application
version	O
has	O
no	O
graphical	O
user	O
interface	O
,	O
although	O
extensions	O
created	O
to	O
simplify	O
usage	O
under	O
Linux	B-Application
.	O
</s>
