<s>
IBM	B-Device
Storwize	I-Device
systems	O
were	O
virtualizing	O
RAID	B-Architecture
computer	B-General_Concept
data	I-General_Concept
storage	I-General_Concept
systems	O
with	O
raw	O
storage	B-General_Concept
capacities	I-General_Concept
up	O
to	O
32	O
PB	O
.	O
</s>
<s>
Storwize	B-Device
is	O
based	O
on	O
the	O
same	O
software	O
as	O
IBM	B-Application
SAN	I-Application
Volume	I-Application
Controller	I-Application
(	O
SVC	O
)	O
.	O
</s>
<s>
Formerly	O
Storwize	B-Device
was	O
an	O
independent	O
data	O
storage	O
organisation	O
.	O
</s>
<s>
IBM	B-Application
SAN	I-Application
Volume	I-Application
Controller	I-Application
–	O
virtualizes	O
multiple	O
storage	O
arrays	O
;	O
</s>
<s>
IBM	B-Device
FlashSystem	I-Device
9100	O
line	O
–	O
Flash	O
memory	O
high-end	O
storage	O
;	O
</s>
<s>
The	O
Storwize	B-Device
family	O
offers	O
several	O
members	O
:	O
</s>
<s>
In	O
Feb	O
2020	O
the	O
Storwize	B-Device
V5000	O
and	O
V5100	O
are	O
replaced	O
by	O
the	O
FlashSystem	B-Device
5000	O
and	O
5100	O
respectively	O
;	O
and	O
the	O
FlashSystem	B-Device
900	O
and	O
Storwize	B-Device
V7000	O
are	O
replaced	O
by	O
the	O
FlashSystem	B-Device
7200	O
.	O
</s>
<s>
The	O
graphics	O
only	O
contains	O
the	O
IBM	O
storage	B-General_Concept
systems	I-General_Concept
starting	O
with	O
'	O
V	O
 '	O
,	O
.i.e.	O
</s>
<s>
For	O
the	O
IBM	B-Application
SAN	I-Application
Volume	I-Application
Controller	I-Application
's	O
timeline	O
see	O
there	O
.	O
</s>
<s>
Storwize	B-Device
V7000	O
provides	O
a	O
very	O
similar	O
architecture	O
to	O
SVC	O
,	O
using	O
the	O
RAID	B-Architecture
code	O
from	O
the	O
DS8000	O
to	O
provide	O
internal	O
managed	O
disks	O
and	O
SSD	O
code	O
from	O
the	O
DS8000	O
for	O
tiered	O
storage	O
.	O
</s>
<s>
All	O
Storwize	B-Device
systems	O
offer	O
the	O
following	O
features	O
:	O
</s>
<s>
Distributed	O
RAID	B-Architecture
(	O
DRAID	O
)	O
,	O
i.e.	O
</s>
<s>
In	O
addition	O
,	O
other	O
Storwize	B-Device
systems	O
offer	O
the	O
following	O
features	O
(	O
some	O
of	O
them	O
may	O
require	O
licenses	O
)	O
:	O
</s>
<s>
(	O
checkpointed	O
asynchronous	O
copy	O
using	O
flashcopies	B-Device
,	O
e.g.	O
</s>
<s>
In	O
addition	O
,	O
the	O
Storwize	B-Device
V7000	O
Unified	O
offered	O
the	O
following	O
features	O
:	O
</s>
<s>
Most	O
Storwize	B-Device
systems	O
are	O
intended	O
for	O
certain	O
environments	O
and	O
provide	O
several	O
features	O
,	O
that	O
are	O
not	O
licensed	O
by	O
default	O
.	O
</s>
<s>
Here	O
are	O
examples	O
for	O
V7000	O
,	O
the	O
V5000	O
series	O
,	O
and	O
IBM	B-Application
SAN	I-Application
Volume	I-Application
Controller	I-Application
.	O
</s>
<s>
As	O
of	O
November	O
2016	O
,	O
available	O
Storwize	B-Device
media	O
sizes	O
include	O
2.5	O
"	O
flash	O
SSDs	O
with	O
up	O
to	O
15.36	O
TB	O
capacity	O
and	O
3.5	O
"	O
Nearline-HDDs	O
with	O
up	O
to	O
10	O
TB	O
capacity	O
,	O
available	O
for	O
Storwize	B-Device
5000	O
,	O
7000	O
and	O
SAN	B-Application
Volume	I-Application
Controller	I-Application
native	O
attach	O
.	O
</s>
<s>
IBM	B-Device
Storwize	I-Device
Easy	O
Tier	O
will	O
automatically	O
manage	O
and	O
continually	O
optimize	O
data	O
placement	O
in	O
mixed	O
pools	O
of	O
nearline	O
disks	O
/	O
standard	O
disks	O
/	O
read-intensive	O
Flash	O
and	O
enterprise-grade	O
Flash	O
SSDs	O
,	O
including	O
from	O
virtualized	O
devices	O
.	O
</s>
<s>
The	O
Storwize	B-Device
family	O
hardware	O
consists	O
of	O
control	O
enclosures	O
and	O
expansion	O
enclosures	O
,	O
connected	O
with	O
wide	O
SAS	O
cables	O
(	O
Four	O
lanes	O
of	O
6	O
Gbit/s	O
or	O
12	O
Gbit/s	O
)	O
.	O
</s>
<s>
The	O
control	O
enclosure	O
contains	O
two	O
independent	O
control	B-General_Concept
units	I-General_Concept
(	O
node	O
canisters	O
)	O
based	O
on	O
SAN	B-Application
Volume	I-Application
Controller	I-Application
technology	O
,	O
which	O
are	O
clustered	O
via	O
an	O
internal	O
network	O
.	O
</s>
<s>
The	O
IBM	B-Device
Storwize	I-Device
V7000	I-Device
SFF	O
Enclosure	O
Model	O
724	O
,	O
announced	O
November	O
6	O
,	O
2018	O
,	O
supports	O
NVMe	B-Application
and	O
FC-NVMe	O
(	O
NVMe/FC	O
)	O
on	O
16	O
or	O
32	O
Gbit/s	O
adapters	O
,	O
and	O
iSER	O
(	O
iSCSI	B-Protocol
Extensions	I-Protocol
for	I-Protocol
RDMA	I-Protocol
)	O
or	O
iSCSI	O
on	O
25GbE	O
adapters	O
.	O
</s>
<s>
The	O
Control	O
Enclosure	O
holds	O
24	O
2.5	O
"	O
NVMe	B-Application
flash	O
drives	O
or	O
24	O
2.5	O
"	O
NVMe	B-Application
FlashCore	B-General_Concept
modules	I-General_Concept
(	O
FlashCore	B-General_Concept
modules	I-General_Concept
contain	O
IBM	O
MicroLatency	O
technology	O
with	O
built-in	O
hardware	O
compression	O
and	O
encryption	O
)	O
.	O
</s>
<s>
First	O
supported	O
on	O
the	O
Storwize	B-Device
V7000	O
8.2.0.2	O
software	O
.	O
</s>
<s>
The	O
IBM	B-Device
Storwize	I-Device
V7000	I-Device
SFF	O
Control	O
Enclosure	O
Model	O
624	O
,	O
announced	O
23	O
August	O
2016	O
,	O
features	O
two	O
node	O
canisters	O
and	O
up	O
to	O
256	O
GiB	O
cache	O
(	O
system	O
total	O
)	O
in	O
a	O
2U	O
,	O
19-inch	O
rack	O
mount	O
enclosure	O
.	O
</s>
<s>
It	O
holds	O
up	O
to	O
24	O
2.5	O
"	O
SAS	O
drives	O
and	O
supports	O
the	O
attachment	O
of	O
up	O
to	O
20	O
Storwize	B-Device
V7000	O
expansion	O
enclosures	O
.	O
</s>
<s>
IBM	B-Device
Storwize	I-Device
V7000	I-Device
Gen	O
2+	O
is	O
an	O
updated	O
Storwize	B-Device
V7000	O
Gen	O
2	O
with	O
a	O
newer	O
CPU	O
,	O
doubled	O
cache	O
memory	O
and	O
faster	O
FC	O
options	O
,	O
integrated	O
compression	O
acceleration	O
,	O
and	O
additional	O
scalability	O
with	O
the	O
following	O
features	O
:	O
</s>
<s>
First	O
supported	O
on	O
the	O
Storwize	B-Device
V7000	O
7.7.1	O
software	O
.	O
</s>
<s>
The	O
IBM	B-Device
Storwize	I-Device
V7000	I-Device
SFF	O
Control	O
Enclosure	O
Model	O
524	O
,	O
announced	O
6	O
May	O
2014	O
,	O
features	O
two	O
node	O
canisters	O
and	O
up	O
to	O
128	O
GiB	O
cache	O
(	O
system	O
total	O
)	O
in	O
a	O
2U	O
,	O
19-inch	O
rack	O
mount	O
enclosure	O
.	O
</s>
<s>
It	O
holds	O
up	O
to	O
24	O
2.5	O
"	O
SAS	O
drives	O
and	O
supports	O
the	O
attachment	O
of	O
up	O
to	O
20	O
Storwize	B-Device
V7000	O
expansion	O
enclosures	O
.	O
</s>
<s>
IBM	B-Device
Storwize	I-Device
V7000	I-Device
next-generation	O
models	O
offer	O
increased	O
performance	O
and	O
connectivity	O
,	O
integrated	O
compression	O
acceleration	O
,	O
and	O
additional	O
scalability	O
with	O
the	O
following	O
features	O
:	O
</s>
<s>
First	O
supported	O
on	O
the	O
Storwize	B-Device
V7000	O
7.3.0	O
software	O
.	O
</s>
<s>
Storwize	B-Device
V7000	O
consists	O
of	O
one	O
to	O
four	O
control	O
enclosures	O
and	O
up	O
to	O
36	O
expansion	O
enclosures	O
,	O
for	O
a	O
maximum	O
of	O
40	O
enclosures	O
altogether	O
.	O
</s>
<s>
Power	O
:	O
Dual	O
power	O
supplies	O
and	O
cooling	O
components	O
,	O
the	O
control	O
enclosure	O
PSUs	O
each	O
house	O
a	O
battery	B-Algorithm
pack	I-Algorithm
which	O
retains	O
cached	O
data	O
in	O
the	O
event	O
of	O
a	O
power	O
failure	O
.	O
</s>
<s>
Storwize	B-Device
V5100	O
consists	O
of	O
a	O
control	O
enclosure	O
and	O
up	O
to	O
20	O
standard	O
expansion	O
enclosures	O
or	O
8	O
high-density	O
expansion	O
enclosures	O
.	O
</s>
<s>
It	O
supports	O
NVMe	B-Application
and	O
FC-NVMe	O
(	O
NVMe-oF	O
)	O
on	O
16	O
Gbit/s	O
,	O
32	O
Gbit/s	O
adapters	O
,	O
and	O
iSCSI/iWARP/RoCE	O
(	O
iSCSI	B-Protocol
Extensions	I-Protocol
for	I-Protocol
RDMA	I-Protocol
)	O
on	O
25GbE	O
adapters	O
.	O
</s>
<s>
Power	O
:	O
Dual	O
power	O
supplies	O
and	O
cooling	O
components	O
,	O
the	O
control	O
enclosure	O
PSUs	O
each	O
house	O
a	O
battery	B-Algorithm
pack	I-Algorithm
which	O
retains	O
cached	O
data	O
in	O
the	O
event	O
of	O
a	O
power	O
failure	O
.	O
</s>
<s>
Storwize	B-Device
V5030E	O
consists	O
of	O
a	O
control	O
enclosure	O
and	O
up	O
to	O
20	O
standard	O
expansion	O
enclosures	O
or	O
8	O
high-density	O
expansion	O
enclosures	O
.	O
</s>
<s>
Storwize	B-Device
V5010E	O
consists	O
of	O
a	O
control	O
enclosure	O
and	O
up	O
to	O
10	O
standard	O
expansion	O
enclosures	O
or	O
4	O
high-density	O
expansion	O
enclosures	O
.	O
</s>
<s>
Storwize	B-Device
V5030	O
consists	O
of	O
a	O
control	O
enclosure	O
and	O
up	O
to	O
20	O
standard	O
expansion	O
enclosures	O
or	O
8	O
high-density	O
expansion	O
enclosures	O
.	O
</s>
<s>
Storwize	B-Device
V5020	O
consists	O
of	O
a	O
control	O
enclosure	O
and	O
up	O
to	O
10	O
standard	O
expansion	O
enclosures	O
or	O
4	O
high-density	O
expansion	O
enclosures	O
.	O
</s>
<s>
Storwize	B-Device
V5010	O
consists	O
of	O
a	O
control	O
enclosure	O
and	O
up	O
to	O
10	O
standard	O
expansion	O
enclosures	O
or	O
4	O
high-density	O
expansion	O
enclosures	O
.	O
</s>
<s>
Storwize	B-Device
V5000	O
consists	O
of	O
one	O
to	O
two	O
control	O
enclosures	O
and	O
up	O
to	O
12	O
expansion	O
enclosures	O
,	O
for	O
a	O
maximum	O
of	O
18	O
enclosures	O
altogether	O
.	O
</s>
<s>
Storwize	B-Device
V3700	O
consists	O
of	O
one	O
control	O
enclosure	O
and	O
up	O
to	O
4	O
expansion	O
enclosures	O
.	O
</s>
<s>
Storwize	B-Device
V3700	O
also	O
offers	O
management	O
and	O
interoperability	O
features	O
from	O
previous	O
Storwize	B-Device
systems	O
,	O
include	O
simple	O
management	O
capabilities	O
,	O
virtualization	O
of	O
internal	O
storage	O
and	O
thin	B-General_Concept
provisioning	I-General_Concept
for	O
improved	O
storage	O
utilization	O
and	O
one-way	O
data	B-General_Concept
migration	I-General_Concept
to	O
easily	O
move	O
data	O
onto	O
Storwize	B-Device
V3700	O
.	O
</s>
<s>
An	O
entry-level	O
SAN	B-Application
Volume	I-Application
Controller	I-Application
configuration	O
contains	O
a	O
single	O
I/O	O
group	O
,	O
can	O
scale	O
out	O
to	O
support	O
four	O
I/O	O
groups	O
and	O
can	O
scale	O
up	O
to	O
support	O
4,096	O
host	O
servers	O
,	O
up	O
to	O
8,192	O
volumes	O
and	O
up	O
to	O
32	O
PB	O
of	O
virtualized	O
storage	B-General_Concept
capacity	I-General_Concept
.	O
</s>
