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Small
Office Home Office Storage Products
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- Netdisk (NAS)
- External RAID Enclosure
- IDE RAID
- SCSI-to-SCSI RAID
- Netdisk + RAID
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Description |
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| Polywell develops a series of small SOHO storage
produts for Small Business and Home Office. All these products
are small, easy to manage, low-cost, well fit into the SOHO
environment. |
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| Case
Enclosure with Specs |
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Small SCSI-to-SCSI RAID (4x36GB) |
NAS RAID (SCSI-to-SCSI RAID, Netdisk) |
5-SCA Hot Swap + 1 x 5.25" Bay |
Designed for External RAID Enclosure |
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- SCSI-to-SCSI RAID Operating System Independent
- High Capacity
- 2 Ultra-2 LVD Wide SCSI channels.
- Supports three RAID levels: 0,1, 5
- High Flexibility
- Up to eight logical drives with independent RAID level
- Multiple LUN
- Background rebuild and reconstruction
- Auto Termination
- High Speed
- 32-bit processor installed with a 4 cm cooling fan with
RPM detector
- Internal PCI bus with data transfer rate up to 132MB/sec
- Two Ultra-2 LVD Wide SCSI channels
- Controlled by Symbios Logic 53C875
- Supports up to 80MB/sec data transfer rate
- Disconnect/Reconnect options mode
- Tagged Command Queuing
- Supports cache memory size: 4,8,16,32,64MB
- Intelligent read-ahead/write-back cache option
- Fault Tolerance and High Security
- Hot-spare drive and automatic background rebuilding
- Supports bad sector auto reassignment
- CPU cooling fans with RPM detector
- Hard drive failure auto-detection and buzzer warning
- Easy Upgrading and Maintenance
- 3.5" 1.44 MB floppy drive provided for updating flash
firmware
- Optional daughter board available to provide two extra
SCSI channels
- Flash EEPROM BIOS
- Hot-swap hard disk support
- Three interfaces for setting and configuration
- LCD control panel for configuration, diagnosis and monitoring
- LCD display (16 characters X 2 lines)
- Six operational keys (Up, Down, Left, Right, Menu and
Enter)
- Three LED indicators for Power, Busy and Alarm
- One buzzer for attention and warning
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Netdisk with IDE RAID |
Detail NetDisk Specification |
Full-Tower with more Bay option |
5-SCA Hot Swap Configuration |
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| Specifications |
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IDE RAID Subsystem |
When the controller detects a bad drive
or failed power supply it enalbes an audible alarm and/or
faxes, pages each up to destinations.
Host Bust Interface
SCSI-II / Wide SCSI / Ultra SCSI / Ultra Wide SCSI
User selectable SCSI ID 0-15 and active SCSI bus termination.
Drive Bus Interfaces
6 each 33MB/sec ATA-4/E-IDE channels
Support DMA mode 0, 1, 2 and Ultra DMA 33
System cache
32MB factory default, upgradable to 128MB using 72 pin
SIMMs.
Command Queing
SCSI-3 command tagged queuing
Connectors
2 x 68pin SCSI in/out, 1 x DB9 RS-232, 1 x DB9 for Modem,
1 x DB9 for UPS
Power Supply
2 x 270W Load sharing hot swappalbe pwer modules
Weight and Dimensions
410 x 170 x 30mm , 12Kgs without drives |
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| Specifications
of Net Disk |
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DRAM Memory Size Options:
8MB, 16 MB, 32 MB, 64 MB, 128 MB
Flash Memory:
2 MB
Software Storage:
Operating system and management applications
stored on Flash.
Timers:
RTC with NVRAM
Embedded Operating
System
VxWorks multi-tasking, multi-threading kernel
Status LEDs:
Device power, device fault, Ethernet speed,
Ethernet link, Ethernet activity, SCSI activity
Network Subsystem:
Supported
Clients:
WFW 3.11 with TCP/IP, Win95, and WinNT
for SMB. UNIX workstations running NFS
V2 and above.
Device Management:
Java applet, stored in the device, down
loaded and run on a client browser
Browser Requirements:
Navigator 3.x and above or Internet Explorer
3.x and above
Network Management:
SNMP V2, MIB-II
File Sharing
Protocols:
NFS, WebNFS, SMB, CIFS.
Network Transport
Protocols:
TCP/IP
Network Link
Protocols:
FastEthernet 100Base-TX and Ethernet
10Base-T with auto speed selection
Connector:
RJ-45
Mechanical:
Standard Model: NetDisk-4
4 x 5.25" or 3.5" Half Height Hard Drive
7.5W x 17.3D x 10.2H (inch)
Advanced Model: NetDisk-300
8 x 5.25" or 3.5" Half Height Hard Drive
7.5W x 17.9D x 17.1H (inch)
High-end Model: NetDisk-32
32 x 5.25" or 3.5" Half Height Hard Drive
22W x 25D x 32.6H (inch)
Power supply:
250Watt PS/2 Style, 110/220V Switchable
Optional: Dual or Quad 400W Redundant
Shock and Vibration:
50 G, non-operational
Operating Environment:
0 to 50 degrees C, 10 to 95% humidity
Non-operating Environment:
SCA-2 hot swap technology
Storage Subsystem:
Filesystem:
DOS compatible, Extended FAT
Protocol:
Ultra SCSI
Connector:
SCA-2 hot swap technology or 68-pin Wide
Device Types:
Fixed and removable media disk drives
Configuration:
Model: NetDisk-4
4GB to 46GB Per Box
Model: NetDisk-300
4GB to 150GB Per Box
Model: NetDisk-32
4GB to 600GB Per Box
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| Other
Options |
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- Integrated with Mylex SCSI-to-SCSI RAID Controller to
build RAID-5 configuration.
- Integrated AV Controller to provide 40MB Sustained Throughput
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| Additional
Info |
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