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8230 RAID Storage Arrays

Host Independant Fully compatible with NT, UNIX, SUN, IBM, Compaq, HP, SGI, DG, Mac Wide Ultra SCSI host and drive Channels Increased I/O Performance Increased Fault Tolerence Full External Hardware Solution On-Board Processing and Cache 19" Rackmount or Tower RAID levels 0, 1, 0+1, 3 & 5

The Scorpion 8230 RAID series provides almost unlimited configuration  options. Supporting up to 35 disk drives and 32 logical devices (LUNs). RAID sets may be  configured in any orientation and  freely moved within the RAID's SCSI disk channels.  Wether it is for a database server, image libary, video editing, RIP or any other  application requiring large fast, fault tolerant data storage, the Scopion  series  delivers.

 

Overview The Scorpion 8230 RAID Storage  Array series of platform independant RAID subsystems provide a high level of performance  while offerig no compromise when addressing hardware  fault tolerance. Created for high-end  workstations, Departmental and/or Enterprise NT or UNIX servers, the Storage Array appears  to the host machine(s) as one addressable volume (hard drive). This can then be  divided  into multiple volumes as required. RAID configuration can be accessed by a front LCD  display or RS-232 interface and doesn't require any special software, drivers, or  modifications. The units are fully  hardware driven with onboard CPU and cache, taking the  requirement to manage information away from the host machine(s) and dedicating it to the  RAID system. This reduces the host machines processing overhead  dramatically and increases  data throughput. The Scorpion 8230 RAID Storage Array series support(s) from 3 to 6 Wide SCSI channels.  From 1 Gbyte to 2 Tbytes of disk storage can be supported by up to 3 host  machines.  Multiple host access offer(s) the benefit of a fail over configuration for multiple    machines. RAID chassis come with dual or triple redudant power supplies and are available  in deskside tower and  19" rackmount configurations.

To optimize your performance and data availability, the Array gives you  the option of selecting the RAID level that best suits your apllication's unique  requirements. Each RAID system can be formatting as :  RAID 0     : data  striping across disks                      (Best transfer rates of all RAID levels) RAID 1     : data mirroring of disks                      (Complete copy of data always available should any drive fail) RAID 0+1 : data striping and mirroring                        (Increased speed of RAID 0 and security of                             RAID 1) RAID 3     : data striping with dedicated parity                       (Fault-tolerant, fast data transfers. Uses only one drive for storing data parity. Good  for  large multimedia files) RAID 5     : data striping with distributed parity *                       (Falut-tolerant. Good for transaction processing because each drive can be read and write   independently)                       * Most common level Multiple RAID levels can be used on the same Storage Array.

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Specifications
RAID Level	0, 1, 0+1, 3, 5
Failure management	Bad sector reassignment, hot - swapping, spare drive,  background rebuilding.
Indicators	LCD, RS-232 and buzzer
Host Compatibility	OS independant
Cache Size	32 to 64 MBytes
Host Interface	Ultra Wide SCSI
Host channels	1 - 3 channels (add DTC8230 - 3US)
Hard disk interface	Ultra Wide SCSI
Hard disk channel	1 - 5 channels (add DTC8230 - 3US)
Cannel terminators	Active Software programmable

SCSI protocol	SCSI-1/2, Fast Ultra Wide SCSI
SCSI transfer rate	40 MBytes/sec synchronous 20 MBytes/sec synchronous 10 MBytes/sec  asynchronous
Max. SCSI drives	35
No. of logical drives	8 with different RAId levels
Partitions	8 per logical drive, total of 64
No. of LUNs	8 per channel, total of 64 (dynamic mapping to logical dries  or partitions)
Control	Front panel or via RS-232
SCSI connectors	68-pin header
SCSI cabling	Single-ended

 

Optional Expansions

8230-3US    : 3 Ultra Wide SCSI channels, s/e. 8230-2UD   : 2 Ultra Wide SCSI channels, diff. 8220-BK     : Back-up Battery 8230-BD     : Back-Up Battery Daughter Board (To be coupled with 8220-BK)

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