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Freedom Storage 7700 Specifications
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Highlights |
- Multiplatform support
- RAID-1+ and/or RAID-5+
- Continuous availability
- Scalable capacity and performance
- Asynchronous and synchronous remote copy
- On-line data migration
- Full functional compatibility
- TPF/MPLF support
- Highest-level RAID Advisory Board (RAB)
certification
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Subsystem Characteristics |
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MVS and
UNIX® multiplatform
support |
- Subsystem sharing with Hitachi Multiplatform
Resource Sharing
(HMRS)
- Bulk data transfer with Hitachi Multiplatform Data
Exchange (HMDE)
- MVS backup and recovery of UNIX data with Hitachi
Multiplatform Backup/Restore (HMBR)
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Excellent on-line and batch performance |
- RAID-1+ and/or RAID-5+
- Multiple-bus architecture with 500MB/sec bandwidth
- Dynamic Duplexed Cache with up to 8GB nonvolatile storage
- 3.5-inch, SCSI-2, dual-ported, 9.2GB disk drives
- Integrated performance management with HDS
GRAPH-Track™†
- Intelligent Learning Algorithm
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Continuous
data availability |
- No single points of failure
- RAID-level data protection
- Complete component redundancy
- Hot-pluggable, field-replaceable units
- Hi-Track® predictive maintenance
service
- Dynamic sparing of disk drives
- Nondisruptive feature and capacity upgrades
- Nondisruptive microcode updates
- Safe, high-speed data migration with Hitachi
On-line Data Migration (HODM)
- Synchronous remote copy support with Hitachi
Remote Copy (HRC)†
- Asynchronous remote copy support with Hitachi
Extended Remote Copy† (HXRC)
- Semi-synchronous remote copy support with HRC
- HRC read-only access from secondary volumes
- Non-host support for VM/ESA and VSE/ESA with HRC
- Extended Data Availability and Protection (EDAP)
criteria—Disaster Tolerant Disk Systems plus
certification issued by RAB
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† Available under license and with
HDS sevice agreement.
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Subsystem compatibility |
- Cache Fast Write
- DASD Fast Write
- Native ExSA™† EMIF support
- SCSI-2 fast-wide-differential (FWD) channel
support
- PDS Search Assist
- Concurrent Copy
- DCME
- Sequential Data Striping
- Record Cache I
- Record Cache II
- VSAM Partial Release
- 3380, 3390, and RAMAC Logical Volume Image (LVI)
- Transacting Processing Facility/Multi-Path Lock
Facility (TPF/MPLF) support
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† Extended Serial Adapters™
(ExSA) are compatible with ESCON® protocol. |
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Control
Frame |
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Client-Host Interface Processor
(CHIP) |
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Number of CHIP
pairs |
1 or
2 |
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Simultaneous
data
transfers per CHIP
pair |
 S/390®
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4 |
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Open
systems |
8 |
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Simultaneous I/O
operations per CHIP
pair |
8 |
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Physical
interfaces per CHIP pair |
4 or
8 |
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Physical
interfaces per subsystem |
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Maximum
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16 |
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Parallel
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0, 8, or
16 |
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ExSA |
0, 4, 8, 12, or
16 |
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SCSI-2
FWD |
0 or
8 |
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Logical
paths |
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Parallel
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Up to
16 |
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ExSA
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Up to
256 |
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SCSI-2
FWD |
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2.4GB
LUNs |
Up to
240 |
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7.3GB
LUNs |
Up to
168 |
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Transfer
rate |
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3.0, 4.5, or
6.0MB/sec |
Std on
parallel |
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10 or
17MB/sec |
Std on
ExSA |
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20MB/sec
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Std on SCSI-2
FWD |
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Nonvolatile
cache |
256MB to
8GB |
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Array
Control Processor
(ACP) |
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ACP
pairs |
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S/390
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1,† 2, 3, or
4 |
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Open
systems |
1, 2, or
3 |
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Physical array
paths per ACP pair |
8 |
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Array
paths |
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S/390
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8,† 16, 24, or
32 |
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Open
systems |
8, 16, or
24 |
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S/390 device
model
intermix by Array Group
(9.2GB drives) |
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RAID-5+
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3390 models
-1, -2, -3,-3R,††
-9; 3380 models -E, -J, -K
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RAID-1+
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3390 models
-1, -2, -3,
-3R;†† 3380 models
-E, -J, -K
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Array
interface |
SCSI-2 |
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Simultaneous
transfers per ACP
pair |
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To nonvolatile
cache |
4 |
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To
array |
8 |
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Transfer
rate |
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Per array
path |
12.5MB/sec |
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Per ACP
pair |
100MB/sec |
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Multiple-bus
architecture internal
bandwidth |
500MB/sec |
† Requires installation of
multiplatform
SCSI features.
†† -3R: Model-3 RAMAC
support.
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Array Frame |
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Array frames per
subsystem |
1 to 4 |
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Spare drives per subsystem (standard) |
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RAID-5+ with 9.2GB drives |
1 |
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4.5GB/9.2GB drive intermix |
2 |
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RAID-1+/5+ intermix |
1 |
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Spare drives per
7700 subsystem (maximum) |
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With 4.5GB drives |
16 |
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With 9.2GB drives |
10 |
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RAID-5+
Array Group
(S/390) |
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Disk drives per
Array Group |
7 |
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User
Capacity |
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Model-1 image
(24 LVI)† |
22.7GB |
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Model-2 image
(24 LVI) |
45.4GB |
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Model-3, -3R
image (16 LVI) |
45.4GB |
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Model-9 image
(6 LVI) |
51.1GB |
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Model-E (24
LVI) |
30.2
GB |
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Model-J image
(32 LVI) |
20.2GB |
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Model-K image
(24 LVI) |
45.4GB |
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Subsystem user
capacity (RAID-5+) |
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Model-1 image
(240 LVI) |
227.0GB |
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Model-2 image
(240 LVI) |
454.1GB |
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Model-3, -3R
image (256 LVI) |
726.5GB |
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Model-9 image
(192 LVI) |
1,633.9GB |
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Model-E image
(240 LVI) |
302.4GB |
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Model-J image
(256 LVI) |
161.3GB |
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Model-K image
(240 LVI) |
453.6GB |
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RAID-5+
Array Group (open systems) |
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Disk drives per
Array Group |
7 |
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Logical units per Array Group
(9.2GB drives) |
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2.4GB
LUN |
20 |
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7.3GB
LUN |
7 |
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Logical
units per
Array Group (4.5GB
drives) |
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2.4GB
LUN |
9 |
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Capacity per
Array
Group (9.2GB
drives) |
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2.4GB
LUN |
48.0GB |
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7.3GB
LUN |
51.1GB |
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Capacity per Array Group (4.5GB drives) |
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2.4GB
LUN† |
21.6GB |
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Maximum
subsystem
user capacity (9.2GB
drives) |
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2.4GB
LUN |
576.0GB |
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7.3GB
LUN |
1.2TB |
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RAID-1+ Array Group (S/390—9.2GB
drives) |
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Disk drives per
Array Group |
4 |
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User
capacity per Array
Group |
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Model-1 image
(16 LVI)
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15.2GB |
Model-2 image
(8 LVI)
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15.1GB |
Model-3, -3R (6
LVI)
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17.0GB |
Model-E image
(12 LVI)
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15.1GB |
Model-J image (16 LVI)
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10.1GB |
Model-K image
(8 LVI)
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15.1GB |
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Subsystem user
capacity |
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Model-1 image
(256 LVI) |
243.2GB |
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Model-2 image
(256 LVI) |
484.3GB |
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Model-3, -3R
image (252 LVI) |
715.2GB |
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Model-E
image (252 LVI) |
317.5GB |
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Model-J
(256 LVI) |
161.3GB |
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Model-K
image (256 LVI) |
483.8GB |
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Disk
drives†† |
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Capacity |
9.2GB |
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Head
technology |
Third-generation
MR |
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Form
factor |
3.5
in. |
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Actuator |
Recoilless
rotary |
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Servo
system |
Digital |
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Interface |
Dual-ported
SCSI-2 |
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Rotation
speed |
6,300RPM |
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Average
latency |
6,300RPM |
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Average
latency |
4.76ms |
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Average seek
time |
12.5ms |
† LVI = Logical Volume Image.
†† Additional 4.5GB drives are
available as upgrades to
customers with installed 7700s.
New 7700 subsystems
feature the 9.2GB
drives.
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Operating System Support
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S/390®
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OS/390® |
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MVS/ESA
MVS/XA
MVS/370
VM/ESA
VM/XA
VM/HPO
VSE/ESA
VSE/SP (4.1) |
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Open systems |
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HP-UX 10.1, 10.2, and 11.x
Sun Solaris 2.5 and 2.6
IBM AIX® 4.1.4, 4.2, and 4.3
Sequent DYNIX/ptx 4.4.2
Windows NT 4.x
DEC UNIX® 4.x |
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Hitachi Storage Management Features |
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Hitachi Remote Copy (HRC)†
Hitachi Extended Remote Copy
(HXRC)†
Hitachi On-line Data Migration (HODM)
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Hitachi Storage Management
Solutions |
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HS-DataPlex
HS-DataTune
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Software
Products† |
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Hitachi LUN Manager
Hitachi GRAPH-Track
Hitachi Copy Migration Manager (CMM)
Hitachi Path Failover |
† Available under license and with
an HDS service agreement
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Failover Support
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HP-UX—MC/ServiceGuard
IBM AIX®HACMP
Sun Solaris—VERITAS FirstWatch
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Physical
Specifications
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Control
frame |
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Height |
1,790mm
(70.5 in.)
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Width (with two side panels) |
750mm (29.5 in.) |
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Depth |
800mm (31.5 in.) |
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Weight |
450kg (990 lbs) |
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Heat |
1.4kW |
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Power |
1.5kVA |
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Array
frame† |
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Height |
1,790mm (70.5 in.) |
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Width |
550mm (21.7 in.) |
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Depth |
800mm (31.5 in.) |
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Weight††
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436kg (963 lbs) |
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Heat††
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2.45kW |
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Power††
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2.60kVA |
† There are one to four array
frames.
†† 360GB capacity in Model-3
support mode. |
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