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Overview
The Comet Fibre 16J meets the high standard of Caen's sophisticated
RAID technologies. It boasts a high-performance RAID engine
and comprehensive firmware functionality benefits derived
from years of experience in storage design. Designed for applications
in storage area networks, the Comet series comes with full
redundancy of its active components. All back-end PCBs are
passive. Critical components are duplicated and hot-swappable,
including power, fan, and RAID controllers.
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Architecture
This subsystem series offers a performance upgrade to the separate-bus,
dual-ASIC design proven on Caen's previous RAID controllers. The
series is specialized for flexible resource utilization to manage
various-size IOs, random, or sequential access that requires high-speed
throughput. The dual PCI bus design virtually eliminates all imminent
bottlenecks on IO traffic, providing sufficient throughput for a
wide range of applications on Disk-to-Disk Backup, cable CCTV storage,
video on demand (VOD), SCSI-based PCs, single-user workstations,
Windows NT/2000/XP, Linux, or Unix-based servers.
Firmware Capabilities
Numerous firmware options have been designed to achieve the highest
level of data availability and performance. In addition to the full-featured
RAID and Recovery functionality, firmware is able to manage possible
causes of data loss, even errors not directly related to RAID.
Automatic disk scanning can be carried out on a preset schedule
to prevent parity damage due to the occurrence of block errors across
multiple drives. Even if this happens, firmware is able to salvage
most data by skipping those unrepairable data blocks.
Array capacity can be expanded online by adding drives or replacing
the original drives with drives of larger capacity. Availability
features include:
Dedicated and global spare drives
Hot-swappable drives, duplex support
Remote and real-time monitoring
SMART related functions
Firmware operation is optimized with advanced algorithms capable
of intelligent read-ahead, multithreaded, predictive read-ahead,
optimized sorted and group writes.
Manageability
The Java-based RAIDWatch GUI manager provides easy-to-use interfaces,
is rich in configuration options, and allows users to remotely manage
their storage system over a network. Event Monitor and Notification
Processing Center (NPC) submodules provide system managers the freedom
of real-time monitoring with a variety of notification methods.
Enclosure
The subsystem is designed for operation with no single point of
failure. Its modular and dual-redundant design minimizes the time
for maintenance and service. Up to 7 JBODs can be cascaded with
a RAID unit to scale the capacity up to several terabytes (TB).
The included Loop resiliency circuits provide dual drive loops
consisting of 16 drives in either the RAID or JBOD units. The JBOD
models come with single or dual SES modules. Once a JBOD's drive
loops are connected with a RAID unit, its status will be automatically
collected and shown via the web-based GUI.
SAN Features
Capacity is made available in a SAN through LUN Filtering, a centralized
access management capability. Up to 1024 filtering entries are supported
and multiple entries can be mapped to each logical partition of
logical configurations. Various related functions, such as host
port auto-identification, filter type selection, entry naming, and
access mode configuration make shared storage an easier task.
SPECIFICATIONS
Enclosure type
Single
or dual RAID subsystem, JBOD in 3U, 19" rack enclosure
Configuration
Single
or dual-active RAID with 16 drives; or 16 drives with FC-AL attachment
to shared storage
RAID Controller
64-bit
processor w/ 256KB L2 cache
Proprietary
ASICs w/ hardware XOR engine
Up
to 1GB SDRAM (battery included with dual-active RAID models)
Memory/RAM
bus bandwidth:1066MB/s
Fault Detection, Monitoring, and Recovery
S.E.S.
enclosure device monitoring
RAID
Controller self-diagnostics
Bad
Block Handling
SMART
support: clone failing drive with spare or replace it online, reaction
schemes configurable
Clustering
support
Parity
background checks and corrections
Management
Firmware-embedded
Java-based GUI RAID manager over out-of-band connection featuring
global manageability; real-time event notification and monitoring
Firmware-embedded
manager via RS-232C port
Centralized
management of multiple arrays over in-band or Ethernet
Enclosure
status report through Fibre loop connection
Auto
on-lining of cascaded enclosures
Module
status indicators, onboard alarm, events reported to RAID controllers
Components
Power
supply 2 redundant hot-swappable power supplies w/ PFC
Input
90 to 260VAC, 47 to 63Hz
DC
output 2V/32A, 38A peak; 5V/25A, 3.3V/20A; 460W
4
redundant, hot-swappable cooling fans in separate modules; each
capable of 61CFM at 3600rpm
3U
JBOD enclosure
Single
or dual SES monitoring modules
16
drive trays
Dual
redundant power supplies
2
hot-swappable expansion port modules
Host/Drive Interface
3.5", 1" high disk drives
16 hot-swappable drive trays
Single dual loop across 16 drives within enclosure
Auto-negotiate and full-duplex 2Gb FC-AL
Physical/ Electrical
Interfaces 4 SFP sockets using a short-wavelength
adapter
Power supply 2 redundant, hot-swappable power supplies
with PFC
Cooling fan
4 cooling fans in two separate modules:
Operating temperature: 5 to 40°C
Non-operating temperature: -20 to 60°C
Relative humidity: 10~95%, non-condensing
Operating altitude: sea level to 10,000ft
Dimensions
Chassis dimensions: 131H x 446.2W x 500D mm
(w/ protrusions): 131H x 485W x 532D mm
Package dimensions: 476H x 592W x 695D mm
System weight (w/o drives)
Net weight: 20kg
Gross weight: 32kg
Download
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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