The NSS4U24SA-SI 4U-profile RAID system is the only high-density choice on the market with sophisticated RAID protection. With reliable SCSI and clustering support, the NSS4U24SA-SI is a cost-effective, large capacity storage solution to incorporate into disk farms, ATM service centers, and imaging stations that require RAID protection at a lower cost per gigabyte.
The NSS4U24SA-SI 4U-profile RAID system is the only high-density
choice on the market with sophisticated RAID protection. With
reliable SCSI and clustering support, the NSS4U24SA-SI is a
cost-effective, large capacity storage solution to incorporate into
disk farms, ATM service centers, and imaging stations that require
RAID protection at a lower cost per gigabyte.
Full-featured RAID functionality with two (2) SCSI-320 host
channels; transfer rate up to 320MBps each
Up to 24TB of storage capacity
Accommodates twenty-four (24) SATA II hard drives, backward
compatible with SATA I drives
Hardware XOR engine by dedicated ASIC266 chipsets
Dual-speed cooling modules to reduce system noise
Backplane-based, cableless, modular enclosure
RAID
Multiple arrays configurable
with dedicated or global hot
spare drives
Copying and replacing
drives with drives of larger
capacity
Automatic background rebuild
Configurable stripe size and
write policy per array
Intelligent drive handling:
In degraded mode: skips
irreparable blocks to
continue rebuild
In normal operation:
data-block verification and
repair
System
Components
Single RAID controller
configuration provides
full-featured RAID functionality
One (1) 4U enclosure
One (1) RAID controller
module
One (1) 512MB DDR RAM
DIMM module preinstalled on
the controller module;
system supports 512MB to 2GB
capacity DIMM modules
Three (3, N+1)
hot-swappable, redundant,
405W power supply units
Twenty-four (24)
hot-swappable drive trays
Two (2) hot-swappable,
redundant cooling modules
Two (2) forearm front
handles
One (1) optional battery
backup unit (BBU)
Host Interface
Two (2) SCSI-320 host
channels interfaced through two
(2) dual-stacked VHDCIs
Tagged command queuing up to
256
Host-side ordered tag
support
Drive Interface
Twenty-four (24)
hot-swappable 3Gbps SATA II
drive trays that accommodate
1-inch pitch SATA II or SATA I
disk drives
Native Command Queuing (NCQ)
support
Dedicated bandwidth to each
connected drive
Automatic bad sector
reassignment
Management
Firmware-embedded utility
via LCD keypad or RS-232C
terminal
10/100BaseT Ethernet for
out-of-band management
Two (2) COM ports for local
access to firmware-embedded
utility and UPS connectivity
Telnet access via onboard
Ethernet port
Java-based RAIDWatch®
Manager
Graphical user interface
Local/remote management;
in-band or out-of-band via
TCP/IP
Centralized management
of multiple subsystems from
one management computer
A variety of event
notification methods via the
Configuration Client
sub-module: email, fax, LAN
broadcast, SNMP traps, MSN
messenger, ICQ, and SMS
short messages
Secure link over SSL
Indicators
Onboard alarm
Module status LED indicators
Two (2) per drive tray
Two (2) per cooling
module
One (1) per power supply
unit
One (1) per BBU module
Three (3) per LCD panel
Four (4) per RAID
controller module
Two (2) per Ethernet
port
Module failure indication
and temperature/voltage readings
through I2C bus
Physical/Electrical
Interfaces
Four (4) 68-pin VHDCIs in
dual-stacked configurations Two (2)
COM ports for RS-232C terminal and
UPS connection (38400, n, 8, 1) One
(1) 10/100BaseT Ethernet port
Power Supply
Module
Three (3) redundant, hot-swappable
power supplies with PFC
Nominal
Power
405W
DC
Output
+3.3V:
min. 0.5A, max. 20A
+5V: min. 2.5A, max. 36A
+12V: min. 1A, max. 24A
+5V SB: min. 0A, max. 0.5A
Input
Frequency
47 to
63Hz
AC Input
90VAC @
8AC , 264VAC @ 4AC with PFC
Cooling Module
Two (2) redundant, dual-fan cooling
modules
Environmental
Specifications
Humidity
5%
to 95% (non condensing
?operating and
non-operating)
Temperature
Operating : 0º to 40ºC
Non-operating : - 40º to
60ºC
Altitude
Operating : sea level to
12,000 ft
Non-operating : sea
level to 40,000 ft
Dimensions
Chassis without handles:
445W x 174.4H x 498D mm (17.6 x
6.86 x 19.6 inches)
Chassis with handles 482W x
174.4H x 514D mm (18.97 x 6.86 x
20.2 inches)
Package: 590W x 480H x 700D
mm
System Weight
Net weight: 36.5kg
Gross weight: 39.6kg
There are no accessories for this product at
this time.
