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Arena Products
Sunstar
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SS-4552E
The Arena JanusRAID2 SS-4552E features an AMCC PPC440SP CPU, dual 3Gb SAS
channels, twelve SAS drive bays, and fully modularized componentsand hot
swappable power supplies and fans to reduce the amount of operating downtime
for maintenance. The JanusRAID2 series supports RAID 6 to further increase
data integrity and reliability. Also featured in the SS-4552E is an expansion
port to attach our JBOD expansion.
The JanusRAID2 SS-4552E is a single controller, 3Gb SAS to SAS
RAID storage subsystem. In a compact 2U - 12 bay chassis,
featuring hot-swappable power supplies and fans. The RAID
controller, fans, and power supplies are modularized allowing for
easy removal from the rear of the unit. Also featuing a CGI-based
GUI allowing easy remote configuration and monitoring using a web
browser.
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A new feature to the SS-4552E is an expansion port that enables
our JBOD expansion unit to be attached and increase the total
storage capacity without the cost of another independent RAID
subsystem. The JBOD expansion feature can reduce the total cost of
ownership of an Arena Maxtronic storage solution.
Ideal Applications
- Enterprise Storage
- Disk to Disk Backup
- Performance Driven HD
- Video Streaming Applications
- Security and Surveillance
- Regulation Compliance Storage
- Disaster Recovery Storage
- Audio and Video Editing
- VOD on Education or Entertainment
- Fixed Content Archiving
Host
Interface: SAS ( x4 SAS wide port)
Data Transfer Rate: Up to 1200
MBps
Number of Host Channels:
2
External Connector Type:
mini SAS
JBOD Expansion: Yes (supports up to 3 JBOD expansion systems)
Controller CPU: AMCC
PPC440SP CPU
Cache Memory: 1G - 4GB
DDR II SDRAM
Disk Interface:
SAS/SATA II (3 Gb/sec)
Number of Disk Channels:
12
Hot Swap Disk Tray:
3.5" hot-swappable tray
Hot Swap Fan: 2 x Turbo
Fan
Hot Swap Power supplies:
350 W x 2 Redundant
AC Input Voltage:
100
to 240V (+/- 10%), 47 to 63 Hz
RAID Levels:
JBOD, 0, 1, 3, 5,
6, 10, 30, 50, 60, NRAID
Disk Groups: Max. 8
Logical Disk: 512
Data Rebuild: Automatic
Data Regeneration
RAID Features:
Global
and local hotspare, and Background Initialization
Advanced Data Reliability Assurance:
SMARTCor. Functions (DST, DS, DC)
Online Expansion: Yes
Front Panel LCD and Buttons:
Easy access for configuration and status report.
RS-232 Terminal:
User
Friendly interface for configuration and status report
Web browser GUI:
Embedded CGI-based GUI management interface
Event Notification:
Built-in buzzer, e-mail, SNMP
Management AP:
PathGuard, RAIDGuard Central, Windows MPIO, Windows VDS 1.1
Humidity: 20% to 80%
non-condensing
Operating Temp: 5 °C to
40 °C
Non-Operating Temp: -25
°C to 60 °C
Safety Regulatory:
UL,
CUL, CB
EMC Standard: FCC, CE,
C-Tick, BSMI
Physical Dimensions:
485 (W) x 565 (D) x 88 (H) mm
Physical Weight:
19 Kgs
(without drives)
Packed Dimensions:
610
(W) x 790 (D) x 430 (H) mm
Packed Weight: 28 Kgs
(without drives)
Logical Disk (LD) Online Expansion can increase the capacity of an online
LUN, instead of having to create a separate partition for unused capacity or
capacity gained from Disk Group Expansion; now your storage can dynamically
grow as your demands grow. In the event of overestimating requirements for
Logical Disk capacity, shrinking can be used reduce the allocated storage of
a Logical Disk.
This newly added feature provides users the option to attach a JBOD unit to
expand the capacity of their Arena Maxtronic storage solution. By allowing
the SA-6651E to control the RAID-less JBOD units helps reduce the total cost
of ownership.
The JanusRAID2 series now provides an Array Recovery Utility (ARU) that can
aid a user in the event of multiple drive failures corrupting the RAID array
of a Logical Disk and/or volumes. The ARU enables users to recover lost disk
members of a Disk Group, and will automatically recover Logical Disks and
Volumes.
With the new JanusRAID2 storage structure, local and global spares can be
configured. Local spares will belong to specific Disk Groups and will only
replace faulty drives in a specific Disk Group. Meanwhile, Global Spares
will replace faulty disk in any available Disk Group.
A simplified feature of Disk Scrubbing (DS), Regenerate Parity will
regenerate the parity of a Logical Disk(s) in a Disk Group without a parity
check.
Dual Flash ROM per controller gives higher RAID system availability and
reliability during firmware upgrading or in the event of a single ROM
failure.
Embedded CGI-based GUI (graphic user interface) management interface can be
accessed through a web browser. The GUI allows users to easily setup RAID
arrays, lun mapping, etc. and also provides remote monitoring of drive
health, fan, and power supplies.
RAID 6 improves over the industry standard RAID 5 by adding another parity
disk which gives greater reliability and data protection.
Before the release of this function, users of RAID systems were forced to
test suspected bad hard drives in a host computer individually using a drive
manufacturer’s utility. This function tests the health of hard drives with
them installed in the RAID unit. DST performs write tests, servo analysis,
and read scan tests; the test results are then displayed on the LCD and
hyper terminal output. This can aid the user in deciding whether or not to
replace a suspected failing hard drive. We highly recommend running this
test before initializing a RAID set to ensure a healthy RAID solution.
With today’s RAID subsystems being capable of storing multiple terabytes, it
is becoming increasingly difficult to manage and maintain that large amount
of data. To aid a user in maintaining their data’s health, Arena-MaxTronic
has released their newest firmware function Disk Scrubbing. The data and/or
parity stored on hard drives can sometimes become corrupted; this data can
also reside in areas that are not accessed for long periods of time. DS will
use idle time to test the disks, and if a sector is found to be corrupted,
the data will be regenerated from other RAID member disks and will be
written to an uncorrupted sector. The purpose of DS is to prevent the
possibility of having multiple corrupted sectors in a single stripe, which
is one of the main causes of data loss.
Hard drives are the most likely component to fail in a RAID array, and
almost impossible to predict when the failure will occur. When a failure
does occur the RAID unit will have to regenerate data from the non-failed
hard drives to rebuild a new drive, and the RAID array will be in degraded
mode. Having a unit in degraded mode is a very cautious time because if a
second hard drive was to fail the RAID is destroyed and data is lost. This
is where Disk Cloning can aide a user. With the help of the hard drives
built in S.M.A.R.T. function, DC can determine when to begin cloning a bad
drive to a hot spare. Upon completion of cloning, the new cloned disk can
take the position of the failing disk or can stand-by until the original
disk fails, then take the failed disks position. Disk cloning is to prevent
a rebuild from ever occurring and having the unit in degraded mode.
Two firmware options are available to surpass the 2 terabyte limitation;
16byte CDB and variable sector size. With either of these functions enabled,
users are able to create slices and map LUNs greater than 2TB to their
respective host channels. See support documentation for compatibility or
contact technical support for more information.
Initialization occurs during creation of a RAID array by zeroing out /
formatting drives. By default the initialization process occurs with the
unit offline, and inaccessible. With background initialization, the RAID
array can be accessed during the initialization process so that the unit can
be setup without having to wait several hours to complete initialization.
An optional BBU can be included in the RAID system to ensure data integrity
in the event of a power outage. The BBU, or battery backup unit, will
provide power to the on-board cache of the RAID controller in the event of a
power outage. This will allow any data that is still stored on the cache to
be saved until power is restored. Once power is restored, the RAID
controller will flush the cache to drives.
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