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Mini-2Bay RAID Subsystem,
(RAID 0,1 selectable)
w/ combo 1*USB 2.0 Connector
and 1*eSATA (SATAII shielding) Connector
User’s Manual
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Features:
* Aluminum housing, anodized surface, benefits for cooling and durability
* Small, compact, and light weight
* Backplane design for two removable SATA drive trays
* Built-in thermo speed control fan for self-contained ventilation
* Individual key lock of each HDD tray for physical security
* LED indicators on each HDD tray, support HDD activity, HDD fail, RAID Level,
FAN/TEMP (environmental monitoring)
* Built-in microprocessor for hardware RAID 0, 1 (selectable)
* Built-in buzzer alarm
* Support RAID 1 mode capability of Hot-Swap, AUTO rebuilding
Descriptions:
External Dual 3.5” HDD Enclosure support Hardware RAID, Host Interface support
USB 2.0 and Serial ATA.
Specifications:
Host Interface USB2.0 and SATAII
HDD Interface SATA I, II
Data Transfer
Rate
USB 2.0 480Mbps ( 60MB/sec )
SATA 1.5/3.0 Gbps
RAID Level Hardware RAID 0 , 1 (selectable)
Hot-Swap Both on Host and Device (RAID 1 only )
LED Display
1. LED for RAID
RAID 0-->orange
RAID 1-->green
2.LED for FAN/TEMP detect
Normal-->green
Fan failure-->red
Over temperature-->orange
3.LED for each HDD
Access-->blue
Fail-->red
Rebuilding-->pink/blue flashing
1. Product Overview
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Alarm
Buzzer beeping when any event occur
Temperature too high (over 50°C), Fan fail and HDD Fail
Environment
Management
Thermo Detect.- threshold temperature is 50℃
Fan Detect – Fan speed too low or fan stop
Fan speed control according to detected temperature
HDD status detect
Power Supply
External Power Adapter (AC input:100-240V~1.0A 50-60Hz /
DC output:+5V/2A,+12V/2A)
Cooling
4.0 x 4.0 x 1.0 mm cooling Fan with FAN speed control
(If temperature goes up, fan will turn faster for better
self-ventilation.)
O.S. support OS independent
Dimension
Enclosure only: (L):23.5cm (W):6.5cm (H):12cm
Including Stand: (L):26.9cm (W):8.7cm (H):14.1cm
Material Plastic and Aluminum alloy
Package Content:
- Enclosure x 1
- Stand x 1
- HDD Tray x 2
- USB2.0 Cable x 1
- SATAII Shielding x Cable x 1
- Power Adapter w/ Power Cord x 1
- Hard Disk Drive mounting screw x 8
- Key for HDD tray x 2
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2. Quick Installation Guide
a. Connect USB cable from host to USB port; or, connect SATA cable
from host to eSATA port.
b. Connect power cord from power adapter to DC power receptacle.
c. Select RAID level, RAID 0(striping) or RAID1(mirroring).
d. Turn on power switch, then you can start playing this unit.
USB Port
Power Switch
DC Power Receptacle
RAID Switch
eSATA Port
RS-232 Port
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3. RAID Level Re-configuration
For re-configuring the RAID microprocessor, please
1. Change RAID level
2. Turn off power
3. Turn on power
※ CAUTION: After changing the RAID level, HDDs will be
reconfigured on restarting the device.
4. AUTO-Rebuilding / Hard-Copy – RAID 1 support only
Auto rebuilding can be applied for data security, which ensures the
data recover with AUTO rebuilding function, Hot-Copy features HDD
duplicating with or without host connection.
For hot-swapping,
1. Remove one HDD from any of equipped subsystem without
shutting down the Operating System.
2. Keep accessing with the HDD left, you’d hear the buzzer beeping
due to the missing HDD.
3. Re-plug the removed HDD, then buzzer will stop beeping and you’ll
see the LED for HDD flashing while AUTO rebuilding.
For duplicating data to another disk,
1. Ensure the subsystem is under RAID 1 mode.
2. Ensure which HDD contains complete data and plug the HDD into
any bay of it first, before or after powering on.
3. Ensure the firstly installed HDD has been recognized by
subsystem – the firstly installed HDD will be regarded as SOURCE.
Meanwhile, you’d hear the buzzer beeping due to the missing HDD.
4. Plug another HDD into another drive bay - the newly installed HDD
will be regarded as DESTINATION
Then buzzer will stop beeping and you’ll see the LED for HDD
flashing while data duplicating.
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5. Frequently Asked Questions
Q: Why RAID 0 works well, but RAID 1 seems not work?
A: Please reconfigure the RAID chip – just refer to RAID Level
Reconfiguration.
Q: Why RAID 1 works well, but RAID 0 seems not work?
A: Please reconfigure the RAID chip – just refer to RAID Level
Reconfiguration.
Q: Why does the Buzzer keep beeping?
A: Please refer to LED Display of Product Overview to check:
1) if the fan/tempt error,
the environment might be too hot, or you’ve run the
subsystem too long.
Æ please try to make your environment cooler or let your
subsystem take a short rest
higher rpm (i.e. Western Digital Raptor 10K rpm) or
various brand HDDs may create more heat inside
enclosure
Æ according to our internal test, Seagate HDDs are less hot
2) if HDD fail, under RAID 1 mode
you may just swap one HDD,
Æ please plug another HDD ASAP
※ Caution: only RAID1 mode can support hotswap, the
subsystem will start AUTO rebuilding after re-plugging
the removed HDD
Or, one HDD may fail,
Æ please replace your HDD
※ Caution: only RAID1 mode can support hotswap, the
subsystem will start AUTO rebuilding after re-placing
HDD
3) if HDD fail, under RAID 0 mode
you may just swap one HDD, or one HDD may fail,
Æ unfortunately, we have to inform you the RAID volume
just crashed, just kiss your data goodbye.
※ Caution: RAID0 mode can’t support hotswap, HDD
fail or swap the HDD may cause data destroyed
Q: If powering off during AUTO rebuilding will it start from beginning
or continue from the last track?
A: Continue from the last track.
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