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Freedom Storage 7700E Specifications

Control Frame
Client-Host Interface Processor (CHIP)
Number of CHIP pairs Up to 4
Simultaneous data transfers per CHIP pair 4 or 8
Simultaneous data transfers per subsystem 4 to 32
Physical interfaces per CHIP pair 4 or 8
Physical interfaces per subsystem
Maximum 32
Parallel 0, 8, or 16
Extended Serial
Adapters™ (ExSA™)1		 0, 4, 8, 12, 16, 20, 24, 28, or 32
SCSI-2 FWD/Ultra-SCSI 0, 8, 16, 24, or 32
(Fibre channel/Fibre-optic cable) 0, 4, 8, 12, or 16
Logical control units per subsystem Up to 4
Logical paths per subsystem
Parallel Up to 16
ExSA Up to 512
SCSI-2 FWD, Ultra-SCSI, or Fibre
1.9GB LUNs Up to 1,012
2.4GB LUNs Up to 1,020
7.3GB LUNs Up to 812
Transfer rates (MB/sec)
Parallel channels 3.0, 4.5, or 6.0
ExSA channels 10 or 17
SCSI-2 FWD/Ultra SCSI
interfaces		 Up to 20/up to 40
Fibre interfaces Up to 100
Nonvolatile cache 256MB to 16GB
Array Control Processor (ACP)
Number of ACP pairs Up to 4
Physical array paths per ACP pair 8
Physical array paths per subsystem 32
Array interface SCSI-2
Simultaneous transfers per ACP pair
To nonvolatile cache 4
To array 8
Transfer rate (MB/sec)
Per array path Up to 20
Per ACP pair Up to 160
Multiple-bus architecture internal bandwidth 744MB/sec
1 Extended Serial Adapters are compatible with ESCON® protocol.

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Array Frame
Array frames per subsystem Up to 4
Spare drives per subsystem (standard) 1 per drive capacity installed
Spare drives per subsystem (maximum) 8
Hard Disk Drives
GMR (Giant Magnetoresistive) Head Technology
Capacity 47.19GB 18.46GB
Form factor 3.0 in. 3.0 in.
Actuator Recoilless rotary Recoilless rotary
Servo system Digital Digital
Interface Dual-ported SCSI-2 Dual-ported SCSI-2
Rotation speed 10,025RPM 10,025RPM
Internal data transfer rate (MB/sec) 30.2 (inner zone)
45.6 (outer zone)		 30.2 (inner zone)
45.6 (outer zone)
Average seek time (ms) 5.7 (read)
6.5 (write)		 5.2 (read)
6.0 (write)
MR (Magnetoresistive) Head Technology
Capacity 35.87GB 18.4GB 14.96GB 6.15GB
Form factor 3.5 in. 3.5 in. 2.5 in. 2.5 in.
Actuator Recoilless rotary Recoilless rotary Recoilless rotary Recoilless rotary
Servo system Digital Digital Digital Digital
Interface Dual-ported SCSI-2 Dual-ported SCSI-2 Dual-ported SCSI-2 Dual-ported SCSI-2
Rotation speed 6,300RPM 6,300RPM 12,030RPM 12,030RPM
Internal data transfer rate (MB/sec) 12.8 (inner zone)
22.1 (outer zone)		 10.0 (inner zone)
15.3 (outer zone)		 18.6 (inner zone)
27.5 (outer zone)		 13.8 (inner zone)
16.2 (outer zone)
Average seek time (ms) 11.5 (read)
12.5 (write)		 11.5 (read)
12.5 (write)		 5.5 (read)
6.5 (write)		 6.0 (read)
7.0 (write)

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Operating System Support
Open systems
  • Digital® UNIX®
  • HP-UX®
  • IBM® AIX®
  • NCR® MP-RAS
  • Novell® Net Ware®
  • Red Hat® Linux®
  • Sequent® DYNIX/ptx
  • SGI® IRIX
  • Sun® Solaris®
  • Windows® 2000
  • Windows NT
S/390®
  • OS/390®
  • MVS/ESA™
  • MVS/XA™
  • MVS/370™
  • TPF/MPLF
  • VM/ESA®
  • VM/XA
  • VM/HPO
  • VSE/ESA™
  • VSE/SP (4.1)

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CARE Software Solutions
The Copy Suite
Hitachi's remote copy
Hitachi ShadowImage
Hitachi NanoCopy
The Availability Suite
HARBOR Backup with the HARBOR 7700E HMDE Agent
Hitachi Multiplatform Backup/Restore
The Resource Suite
Hitachi Resource Manager 7000
  • Hitachi Graph-Track™
  • Hitachi FlashAccess Manager
  • Hitachi VLVI Manager
  • Hitachi LUN Manager
The Exchange Suite
Hitachi Multiplatform Data Exchange
HARBOR File Transfer with the HARBOR 7700E HMDE Agent

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Host Failover and Alternate Path Support
Host Failover
HP-UX MC/ServiceGuard
Sun Solaris VERITAS FirstWatch
AIX® CLAM/HACMP™
Windows NT MSCS
DIGITAL UNIX® TruCluster
Sequent ATAP
Alternate Path
HP-UX HP-UX/Logical Volume Manager
Sun Solaris VERITAS VxVM
AIX Hitachi Path Manager
Windows NT Hitachi Path Manager
DIGITAL UNIX N/A
Sequent Sequent proprietary software

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Physical Specifications
Control frame
Height 1,790mm (70.5 in.)
Width (with two side panels) 750mm (29.5 in.)
Depth 800mm (31.5 in.)
Weight 410kg (903 lbs)
Heat 1.6kW
Power 1.7kVA
Array frame1
Height 1,790mm (70.5 in.)
Width 550mm (21.7 in.)
Depth 800mm (31.5 in.)
Weight2 437kg (963 lbs)
Heat2 2.4kW
Power2 2.6kVA
1 There are one to four array frames.
2 1,430GB capacity in RAID-5+ Model-3 support mode, 36GB HDDs.

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