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Overview
Overview The Comet SATA 16S single RAID controller subsystems
are the latest in Caen's highly acclaimed line of SATA RAID
products. The Comet subsystem combines either 2Gbps Fibre
or Ultra4 SCSI host channels with 16 SATA drives in a single
storage subsystem. This provides users with massive storage
capacity in a safe subsystem environment where a high level
of data availability is assured. The RAID controller embedded
in the Comet RAID controller subsystems ensures unprecedented
data security for SATA RAID. The two available models (see
table) in this series provide users with versatile options,
enabling them to purchase a subsystem that will meet their
needs.
The SATA models are able to use up to 16 SATA drives in
the subsystem. A separate dongle kit enables a user to install
PATA drives into the subsystem providing a less expensive
option for an economic yet reliable RAID subsystem.
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Features
 Two
2Gbps Fibre Host Channels; Transfer rate up to 200MB/sec for each
OR two SCSI-320 Host Channels
Full-featured
single controller architecture
Multiple
Logical Drive configurations, each with a different RAID level
Auto-detection,
auto-rebuild, hot-spare, and hot-swappable
LUN
Filtering - RAID-based and centralized access management in SAN
Up
to 1024 LUNs per host
Intelligent
Drive Handling for managing bad blocks during rebuild and the manual
Media Scan function
Up
to 64TB per LD
Up
to 1GB SDRAM
Variable
rebuild priority to meet a variety of applications
RAIDWatch:
Browser-based GUI Manager on all major platforms
Architecture
Running on architecture trusted by the most demanding applications,
the subsystem is capable of a high level of performance. Its 64-bit
separate-bus backbone is built around the dedicated XOR engines
running at twice the data bus speed. The calculation of parity and
distribution of data can be optimized with the free association
between individual logical arrays and different optimization modes.
High Performance
Featuring a 64-bit 133MHz memory bus, the unparalleled bandwidth
makes the subsystem's high data throughput more than sufficient
for small to mid-sized servers or workstations. Data can be distributed
at the burst rate up to 1066MB/sec. The dual independent PCI bus
design eliminates all imminent bottlenecks on IO traffic, providing
sufficient throughput for a wide range of applications on SCSI-based
PCs, single-user workstations, NT, Linux, or Unix-based servers.
These applications include disk-to-disk backup, Video on Demand,
CCTV, and stream editing.
Intelligent Drive Handling
Media Scan is an innovative Intelligent Drive Handling function
that can be used for data retrieval from degraded or damaged hard
drives. If two bad blocks occur on two member drives of an array,
the integrity of the stored data will be endangered. Intelligent
Drive Handling capabilities can be used to retrieve data from the
damaged sectors. Media Scan is able to handle low quality drives
in both the degraded mode and during the rebuild process. Other
Intelligent Drive Handling features, which provide further data
security, include the transparent resetting of hung hard drives,
Power-failure management and bad drive handling during LD expansion.
Specifications
Raid Controllers
State-of-the-art
400MHz RISC processor with 256KB embedded L2 cache
Proprietary
ASIC133 with XOR engine and ECC inside
Standard
128MB - 1GB cache memory in one SDRAM with optional BBU
LCD
controller panel interface
System
Fan speed / voltage / temperature self-monitoring
Two
RS-232C (Audio Jack) serial ports: One serial port is for text mode
management and the other provides UPS support
One
10/100M Ethernet Port
32KB
NVRAM with RTC (Real Time Clock)
Beeper
RAID Operation
RAID
level 0, 1, 1 (0+1), 3, 5, 10, 30 and 50
Multiple
RAID selection
Hot-spare
drive operation
Hot-swappable
drives
Automatic
background rebuild
Online
drive expansion
Intelligent
Drive Handling
Host Interfaces
Two
2Gbps Fibre Channels Or Two SCSI-320 Channels
SAN
ready
Management Software
System
monitoring via out-of-band Ethernet
RAIDWatch
manager software for all major platforms via an Ethernet port
Firmware-embedded
manager via RS-232C (audio jack) (platform-independent)
External Connections
Two
SFP ports for dual channel optical Fiber connection OR two mini
SCSI ports for external connection
Two
RS-232C (audio jack) serial port (38400, n, 8,1)
One
RJ45 Ethernet port
Dimensions
Protrusions: (W)446.2mm x (H)131mm x (D) 500mm
Enclosure: (W)485mm x (H)131mm x (D) 532mm
SI/ODM controller board
Board dimensions: 255L x 142W m
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the printable PDF from our FTP site!
Please contact our sales team at sales@caeneng.com or our service department at support@caeneng.com if you want to find out more!
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