<s>
The	O
ST3000DM001	B-Device
is	O
a	O
hard	B-Device
disk	I-Device
drive	I-Device
released	O
by	O
Seagate	O
Technology	O
in	O
2011	O
as	O
part	O
of	O
the	O
Seagate	B-Operating_System
Barracuda	I-Operating_System
series	O
.	O
</s>
<s>
This	O
particular	O
drive	O
model	O
was	O
reported	O
to	O
have	O
unusually	O
high	O
failure	B-Device
rates	I-Device
,	O
due	O
to	O
a	O
parking	O
ramp	O
that	O
was	O
made	O
from	O
different	O
materials	O
.	O
</s>
<s>
The	O
failure	B-Device
rates	I-Device
were	O
approximately	O
5.7	O
times	O
higher	O
in	O
comparison	O
to	O
other	O
3	O
TB	O
drives	O
,	O
for	O
which	O
Seagate	O
faced	O
a	O
class-action	O
lawsuit	O
.	O
</s>
<s>
The	O
ST3000DM001	B-Device
uses	O
three	O
1	O
TB	O
platters	B-Device
,	O
compared	O
to	O
five	O
platters	B-Device
in	O
the	O
previous	O
generation	O
Barracuda	O
XT	O
drive	O
,	O
and	O
has	O
a	O
spindle	O
speed	O
of	O
7200	O
RPM	O
.	O
</s>
<s>
As	O
part	O
of	O
the	O
release	O
of	O
its	O
1	O
TB-platter	O
drives	O
,	O
Seagate	O
announced	O
that	O
it	O
was	O
phasing	O
out	O
its	O
Barracuda	O
Green	O
line	O
of	O
5900	O
RPM	O
hard	B-Device
drives	I-Device
.	O
</s>
<s>
Anand	O
Lal	O
Shimpi	O
of	O
AnandTech	O
noted	O
that	O
the	O
ST3000DM001	B-Device
is	O
"	O
a	O
bit	O
faster	O
in	O
sequential	O
performance	O
than	O
the	O
old	O
Barracuda	O
XT	O
,	O
at	O
lower	O
power	O
consumption	O
"	O
and	O
that	O
"	O
Seagate	O
appears	O
to	O
have	O
optimized	O
the	O
drive	O
's	O
behavior	O
for	O
lower	O
power	O
rather	O
than	O
peak	O
performance	O
"	O
.	O
</s>
<s>
He	O
said	O
he	O
was	O
"	O
personally	O
OK	O
"	O
with	O
the	O
lower	O
performance	O
under	O
heavy	O
loads	O
as	O
long	O
as	O
the	O
drive	O
is	O
used	O
together	O
with	O
a	O
solid-state	B-Device
drive	I-Device
(	O
SSD	B-Device
)	O
in	O
a	O
system	O
.	O
</s>
<s>
Backblaze	B-General_Concept
,	O
a	O
remote	B-General_Concept
backup	I-General_Concept
service	I-General_Concept
company	O
,	O
observed	O
that	O
its	O
ST3000DM001	B-Device
drives	O
have	O
failed	B-Device
at	O
rates	O
far	O
higher	O
than	O
the	O
average	O
of	O
other	O
hard	B-Device
drives	I-Device
.	O
</s>
<s>
Only	O
251	O
of	O
the	O
4,190	O
ST3000DM001	B-Device
hard	B-Device
drives	I-Device
placed	O
in	O
service	O
in	O
2012	O
were	O
still	O
in	O
service	O
as	O
of	O
31	O
March	O
2015	O
.	O
</s>
<s>
According	O
to	O
Backblaze	B-General_Concept
,	O
the	O
company	O
switched	O
to	O
Seagate	O
3	O
TB	O
hard	B-Device
drives	I-Device
after	O
the	O
2011	O
Thailand	O
floods	O
disrupted	O
the	O
supply	O
of	O
hard	B-Device
drives	I-Device
and	O
increased	O
their	O
prices	O
by	O
200	O
–	O
300%	O
.	O
</s>
<s>
Backblaze	B-General_Concept
,	O
which	O
normally	O
used	O
HGST	O
3	O
TB	O
hard	B-Device
drives	I-Device
,	O
was	O
only	O
able	O
to	O
find	O
Seagate	O
3	O
TB	O
drives	O
in	O
"	O
decent	O
quantity	O
"	O
.	O
</s>
<s>
Backblaze	B-General_Concept
noted	O
that	O
the	O
failure	B-Device
rates	I-Device
of	O
the	O
ST3000DM001	B-Device
did	O
not	O
follow	O
a	O
bathtub	O
curve	O
typically	O
followed	O
by	O
hard	B-Device
disk	I-Device
drive	I-Device
failure	I-Device
rates	I-Device
,	O
instead	O
having	O
2.7	O
%	O
failing	O
in	O
2012	O
,	O
5.4	O
%	O
failing	O
in	O
2013	O
,	O
and	O
47.2	O
%	O
failing	O
in	O
2014	O
.	O
</s>
<s>
Other	O
3	O
TB	O
hard	B-Device
drives	I-Device
that	O
Backblaze	B-General_Concept
placed	O
in	O
service	O
in	O
2012	O
,	O
which	O
was	O
operated	O
in	O
a	O
similar	O
environment	O
as	O
the	O
Seagate	O
drives	O
,	O
did	O
not	O
show	O
signs	O
of	O
increased	O
failure	B-Device
.	O
</s>
<s>
Joel	O
Hruska	O
of	O
ExtremeTech	O
noted	O
that	O
Backblaze	B-General_Concept
was	O
unable	O
to	O
explain	O
the	O
high	O
failure	B-Device
rates	I-Device
of	O
the	O
ST3000DM001	B-Device
compared	O
to	O
other	O
products	O
.	O
</s>
<s>
Hruska	O
pointed	O
out	O
that	O
Seagate	O
cut	O
the	O
warranty	O
for	O
these	O
drives	O
,	O
along	O
with	O
most	O
other	O
hard	B-Device
disk	I-Device
drive	I-Device
manufacturers	O
,	O
from	O
three	O
years	O
to	O
one	O
year	O
in	O
2012	O
.	O
</s>
<s>
Hruska	O
provided	O
supplier-change	O
or	O
part	O
substitution	O
,	O
shipping	O
of	O
substandard	O
hardware	O
to	O
increase	O
profits	O
,	O
and	O
Backblaze	B-General_Concept
's	O
use	O
of	O
consumer	O
hard	B-Device
drives	I-Device
in	O
an	O
enterprise	O
environment	O
as	O
possible	O
explanations	O
.	O
</s>
<s>
Paul	O
Alcorn	O
of	O
Tom	O
's	O
Hardware	O
pointed	O
out	O
that	O
of	O
the	O
3	O
TB	O
hard	B-Device
disk	I-Device
drive	I-Device
models	O
that	O
were	O
in	O
service	O
with	O
Backblaze	B-General_Concept
,	O
the	O
ST3000DM001	B-Device
was	O
the	O
only	O
drive	O
without	O
a	O
rotational	O
vibration	O
sensor	O
that	O
counteracts	O
excessive	O
vibration	O
in	O
heavy-usage	O
cases	O
.	O
</s>
<s>
In	O
July	O
2021	O
,	O
9to5mac	O
reported	O
that	O
because	O
the	O
disk	O
was	O
included	O
in	O
the	O
Apple	B-Device
Time	I-Device
Capsule	I-Device
it	O
started	O
to	O
show	O
high	O
failure	B-Device
rates	I-Device
.	O
</s>
<s>
The	O
issue	O
was	O
caused	O
by	O
the	O
parking	O
ramp	O
that	O
was	O
made	O
out	O
of	O
different	O
materials	O
,	O
according	O
to	O
the	O
German	O
data	B-Application
recovery	I-Application
company	O
Datenrettung	O
.	O
</s>
<s>
In	O
2016	O
,	O
Seagate	O
faced	O
a	O
class	O
action	O
over	O
the	O
failure	B-Device
rates	I-Device
of	O
its	O
ST3000DM001	B-Device
3	O
TB	O
drives	O
.	O
</s>
<s>
Law	O
firm	O
Hagens	O
Berman	O
filed	O
the	O
lawsuit	O
on	O
1	O
February	O
in	O
the	O
United	O
States	O
District	O
Court	O
for	O
the	O
Northern	O
District	O
of	O
California	O
,	O
and	O
primarily	O
cited	O
reliability	O
data	O
provided	O
by	O
Backblaze	B-General_Concept
.	O
</s>
<s>
The	O
lawsuit	O
also	O
pointed	O
to	O
user	O
reviews	O
of	O
the	O
hard	B-Device
disk	I-Device
drive	I-Device
on	O
Newegg	O
,	O
which	O
totaled	O
more	O
than	O
700	O
reviews	O
with	O
2	O
or	O
fewer	O
stars	O
.	O
</s>
<s>
The	O
lawsuit	O
lists	O
Christopher	O
Nelson	O
,	O
who	O
purchased	O
a	O
Seagate	O
Backup	O
Plus	O
3	O
TB	O
drive	O
and	O
a	O
Seagate	B-Operating_System
Barracuda	I-Operating_System
3	O
TB	O
hard	B-Device
disk	I-Device
drive	I-Device
in	O
October	O
2011	O
,	O
as	O
its	O
plaintiff	O
.	O
</s>
<s>
Both	O
products	O
subsequently	O
failed	B-Device
,	O
and	O
the	O
lawsuit	O
contended	O
that	O
Seagate	O
replaced	O
them	O
with	O
inherently	O
faulty	O
products	O
.	O
</s>
<s>
Steve	O
Berman	O
,	O
the	O
managing	O
partner	O
of	O
Hagens	O
Berman	O
,	O
said	O
that	O
the	O
hard	B-Device
drives	I-Device
"	O
failed	B-Device
to	O
deliver	O
on	O
Seagate	O
’s	O
promises	O
,	O
and	O
replacements	O
from	O
Seagate	O
were	O
just	O
as	O
defective	O
"	O
.	O
</s>
<s>
Bruno	O
Ferreira	O
of	O
The	O
Tech	O
Report	O
compared	O
the	O
lawsuit	O
with	O
the	O
high	O
failure	B-Device
rates	I-Device
faced	O
by	O
the	O
IBM	B-Device
Deskstar	I-Device
75GXP	B-Device
and	O
60GXP	O
hard	B-Device
drives	I-Device
in	O
2002	O
.	O
</s>
<s>
Paul	O
Alcorn	O
of	O
Tom	O
's	O
Hardware	O
argued	O
that	O
Backblaze	B-General_Concept
used	O
the	O
drives	O
in	O
a	O
manner	O
that	O
"	O
far	O
exceeded	O
the	O
warranty	O
conditions	O
"	O
and	O
questioned	O
the	O
"	O
technical	O
merits	O
"	O
of	O
the	O
lawsuit	O
.	O
</s>
<s>
On	O
15	O
June	O
2018	O
,	O
Judge	O
Joseph	O
Spero	O
ruled	O
that	O
the	O
class	O
action	O
plaintiffs	O
must	O
separate	O
into	O
multiple	O
classes	O
,	O
as	O
there	O
was	O
too	O
much	O
variability	O
in	O
failure	B-Device
rates	I-Device
to	O
combine	O
all	O
claims	O
into	O
a	O
single	O
class	O
.	O
</s>
