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RAID Primer [PDF]


32-Bit / 33 MHz PCI Wide/Ultra SCSI RAID Controller
To general product description

Product Overview

ICP Order number
ICP Controllers
SCSI Technology
SCSI Channels
RAID Levels
Cache RAM
7005
Wide/Ultra, 16Bit, 40 MB/sec.
1
0, 1
8-128 MB
7006*
Wide/Ultra, 16Bit, 40 MB/sec.
2
0, 1
8-128 MB
7717
Wide/Ultra, 16Bit, 40 MB/sec.
1
0, 1, 4, 5, 10
8-128 MB
7727*
Wide/Ultra, 16Bit, 40 MB/sec.
2
0, 1, 4, 5, 10
8-128 MB
7737
Wide/Ultra, 16Bit, 40 MB/sec.
3
0, 1, 4, 5, 10
8-128 MB
7757*
Wide/Ultra, 16Bit, 40 MB/sec.
5
0, 1, 4, 5, 10
8-128 MB
* no longer available
Note:
With some GDT RP Series Controllers the CPU cooler for the i960Rx processor can look different from the one shown in the pictures.
With 3.3V types, the CPU cooler is no longer required.
ICP Controllers cannot be operated without RAM (SIMM; 60ns FPM, 50ns EDO).
Picture of keys The ICP Productkey. Learn more about it,...
General Product Description
Fault Tolerant Disk Arrays
  • Operating system independent controller firmware RAIDYNE®
  • RAID 0 = Data Striping
  • RAID 1 = Disk Mirroring/Disk Duplexing
  • RAID 4 = Data Striping with Parity Drive
  • RAID 5 = Data Striping with Striped Parity
  • RAID 10 = Data Striping and Disk Mirroring
  • Hot-Fix and Hot-Plug/Auto-Hot-Plug Functions
  • Intelligent Fault Bus on each SCSI channel
  • SAF-TE/SES Support
  • Min. no. of devices for array setups: 2 for RAID 0/1, 3 for RAID 4/5, 4 for RAID 10
  • Online Capacity Expansion
  • Online RAID Level Migration
  • ICP RAID Console in Flash-RAM
  • Support of 7 BIOS host drives
  • Boot from CDROM
  • With the help of the monitoring tools ICP RAID Console (character-oriented) or ICP RAID Navigator (GUI), and the integrated capacity expansion feature, the capacity of already existing disk arrays can be online expanded. Simultaneously it is possible to migrate the RAID level (RAID 0 <-> RAID 4/5). During both processes, the online expansion and online RAID level migration , all data are fully redundant. ICP RAID Console and ICP RAID Navigator allow also the remote maintenance of ICP Controllers / Disk Arrays.
High Performance Hardware:
  • General 32-bit architecture
  • Intel i960RP® Intelligent I/O processor
  • Multiprocessor RISC technology
  • Up to 128 MB Cache RAM (0 MB supplied), 60 ns FPM and 50ns EDO (for optimized performance)
  • Cache expandable with a 72 pin, 32/36 bit, PS/2 SIMM
  • Intelligent cache algorithm with Look-Ahead and Delayed-Write functions
  • 100% PCI bus compatible: Boot ROM, PCI-Target and PCI-Master
  • Full capable of DMA bus mastering
  • High level of integration through ASICs
  • Dual Connector System present on 1-, 2- and 3 Channel Wide/Ultra SCSI Controllers
  • Easy updating thanks to Flash-RAM technology
  • Compliant with the CE and FCC standards
Progressive SCSI Integration:

  • Up to 15 devices (hard/removable disk drives, tapes, CD-ROMs, DATs, MODs, WORMs) can be connected to each Wide/Ultra channel
  • Fast SCSI transfer rates: 10 MB/s.
  • Wide SCSI transfer rates: 20 MB/s.
  • Ultra SCSI transfer rates: 40 MB/s.
  • SCSI-2 and SCSI-3 protocol implementation
  • Active, software switchable, SCSI-2 compliant bus termination
  • Support of scatter/gather and multi-threading
  • Internal and one external SCSI Connector
Delivery Contents
  • ICP Controller of the GDT-RP Series with 0 MB RAM (requires a minimum of 8MB)
  • Drivers for the following operating systems are shipped with our controllers: MS-DOS/Windows, Windows NT (Versions 3.5x and 4.x), Windows 95/98, Windows 2000, Novell NetWare (Versions 3.x and 4.x), SCO Unix, Linux, UnixWare, Solaris, FreeBSD (32bit).
  • English or German Quick Installation Guide (detailed manual in Acrobat Reader format)
  • ICP System CD

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