Addonics Technologies RAID Tower Mini RTM2233EU3 User Manual

							Technical Support
If you need any assistance to get your unit functioning properly, please have your 
product information ready and contact Addonics Technical Support at:
Hours: 8:30 am - 6:00 pm PST
Phone: 408-453-6212
Email: http://www.addonics.com/support/query/
v8.1.11
T E C H N O L O G I E S
www.addonics.com
User Guide
RAID Tower Mini
(RTM2233EU3)         
						

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Unpacking and Overview
RAID Tower Mini (shown with drives installed)
Array Host
RAID Error Power LEDPower Switch
RAID Tower Mini Rear View
Power Cord (US Version shown) 
						

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RAID Rack with Port Multiplier Compatibility
Note: When configured as a set of individual drives, the Port Multiplier\
 will only work with a Port 
Multiplier aware host. Identify your host controller and check with its \
hardware manufacturer if 
you are unsure. Addonics offers several Port Multiplier capable host adapters.
Removing Cover 
Loosen the 3 screws at the back of 
the towerusing a Philips screwdriver 
by turning counter-clockwise. Separate 
the metal casing of the tower from 
the housing by liftingup the casing 
as shown in the drawing.
2.5 Drive Installation
Step 1
Open the door on the front of the RAID Tower Mini 
to reveal the Snap-In Double Drive.
Step 2
Gently push the silver button on the Snap-In 
Double drives door to open it.
Step 3
Push a 2.5 SATA drive into the bay, label side up, 
with the SATA connectors toward the rear. It should 
give little resistance, DO NOT force the drive.
Step 4
Once the drive has been pushed into the bay 
as far as it will go, close the door over it until the 
door snaps in place.
3.5 Drive Installation
Step 1
Slide the storage device into the 
embedded mounting bracket.
Step 2
Using 3.5” SATA Hard Disk Drives Connect the 
internal SATA data cable to the data port of the 
hard drive then connect the 15-pin SATA power 
connector to the powerport on the hard drive.  
The Snap-In Double Drive is connected to Ports 0 
and 1 on the HPM-XU Port Multiplier. Connect the 
top 3.5 drive to Port 2, the middle drive to port 3, 
and the bottom drive to Port 4.
Step 3
Secure the hard disk by using screws
provided. Repeat the above procedure for
additional hard drives.
Hard Disk 
						

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The HPM-XU Port Multiplier
RAID Setting Button
Dip Switch
eSATA Host Port (Port 5)
USB 3.0/2.0 Host Port
Floppy
Power
Connector
Buzzer
Alarm
Port 2
Port 0
Port 4
Port 1 Port 3
J1:
J3:
eSATA
P0
P1
P2
P3
P4
eSATA
P0
P1
P2
P3
P4 Activity LED
Error LED
Resetting the RAID Mode
NOTE: This procedure destroys all RAID data. It should not harm 
individual drives or their contents; however, creating or running backups of 
all data is strongly recommended before proceeding.
1. Power down the unit and set the dip switch to the factory default set\
ting 
(all switches OFF).
2. While holding the SET button with a ballpoint pen, turn the unit on. A long 
beep will sound from the Port Multiplier. The SET button may be released 
once the long beep stops. 
						

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Setting or Modifying the RAID Mode
NOTE: Setting or modifying the RAID mode destroys all data.
1. Follow the procedure for resetting the RAID Mode.
2. Power down the unit and set the dip switch to the desired RAID Mode.
3. While holding the SET button with a ballpoint pen, turn the unit on. A long 
beep will sound from the Port Multiplier. The SET button may be released 
once the long beep stops.
If instead of a long beep the Port Multiplier sounds a series of short b\
eeps, an 
error has occurred during configuration of the array.
Windows users may install the JMicron HW RAID Manager application 
located on the SATA Controller CD. In the CD, browse to Configuration 
Utilities → JMB393. The JMicron HW RAID Manager can be used to create, 
modify, and monitor the health status of the RAID drives, and  provide status 
alerts. When configuring the RAID mode using the RAID Manager application, 
it is strongly recommended to leave the dip switch in the factory defaul\
t 
setting.
Using identical drives for all settings other than JBOD or LARGE is stro\
ngly 
recommended. Creating a LARGE array using drives that have different 
properties will use all space on all members, and performance will match that 
of the member in use during any particular I/O operation. Creating a RAID 
using drives that are not all the same size will result in all members u\
sing only 
as much space as the smallest member. Creating a RAID using drives that 
have different performance will degrade the overall performance of the array.
BZS Switch (SW1:1):
The BZ switch is used to silence the audible alarm buzzer. The OFF position 
permits the audible alarm, and the ON position silences the audible alar\
m. 
The BZ switch has immediate effect.
EZ Switch (SW1:2):
The EZ (spare) switch inhibits spares when ON. When in the OFF positio\
n, 
all individual drives (not defined as members of an array) are conside\
red 
spare. Should a RAID become degraded, when the EZ switch is in the OFF 
position a spare drive will be used automatically to rebuild the RAID, i\
f 
present. EZ mode is determined when the unit is powered up. Changing the\
 
switch will have no effect until the unit has been re-powered. 
						

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RAID Mode Switches M2, M1, M0 (SW1:3 – SW1-5)
The RAID Mode switches define what type of RAID will be initialized when\
 
the unit is powered up while the RAID Mode button is held down. Each typ\
e 
of RAID has different properties and requirements, as follows:
           
              1 Audible alarm is recommended at all times.
              2 EZ mode has no effect in JBOD mode.
              3 Disabling EZ for RAID 0 and LARGE is strongly recommende\
d.
JBOD Mode (Individual Drives)
Number of drives: at least 1
Unit capacity: N/A (100% of each individual drive)
Spares: no
Fault tolerance: none
JBOD mode offers all connected units to the host adapter, no RAID is 
defined at all.
NOTE: JBOD mode requires a SATA controller featuring Port Multiplier 
support for eSATA connections.
NOTE: Optical drives can only be configured as JBOD using an eSATA 
connection.
RAID 0 (Stripe set)
Number of drives: at least 2
Unit capacity: size of each member times number of members.
Spares: no
Fault tolerance: none - if any member is lost all data is lost.
RAID 0 “stripes” the file system across the array by placing secto\
rs of data 
sequentially between drives in a specific order.
Dip sw it ch 1 2 3 4 5 R aid  M ode B ZS1 EZ M 2 M1 M0 JB OD (In div id ual d riv e s)  * F A C TO RY D EFA U LT  SETTI NG 
O FF  OFF2 OFF  OFF  OFF  
0 OFF ON3 ON ON ON 1 o r 1 0 O FF OFF ON ON OFF 3 OFF OFF ON ON OFF 5 OFF OFF OFF ON OFF Clo ne O FF OFF OFF ON ON Larg e O FF ON3 ON OFF ON   
						

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RAID 1 or 10 (Mirror set, Stripe of mirror sets)
Number of drives: 2 (RAID 1) or 4 (RAID 10).
Unit capacity: size of one member (RAID 1) or size of two members (RA\
ID 
10).
Spares: yes – if EZ mode is not disabled and 3 (RAID 1) or 5 (RAID\
 10) 
drives are present, the array will be initialized with a spare.
Fault tolerance: RAID 1 can withstand the loss of one drive without losi\
ng 
data. RAID 10 can withstand the loss of one drive from each mirror set 
without losing data.
RAID 1 works by duplicating the exact same data on two drives.
RAID 10 works by using two RAID 1 sets configured as members of a RAID 
0. Disks 1 and 2 are mirrored, disks 3 and 4 are mirrored, and the two m\
irror 
sets are striped together.
RAID 3 (Stripe set with dedicated parity)
Number of drives: at least 3
Unit capacity: size of one member times number of members minus one.
Spares: yes
Fault tolerance: can withstand the loss of one drive without losing data\
.
RAID 3 works by striping data for individual I/O blocks across all membe\
rs 
except one, which contains parity data for the stripe set computed by th\
e 
Port Multiplier. 
RAID 5 (Stripe set with striped parity)
Number of drives: at least 3
Unit capacity: size of one member times number of members minus one.
Spares: yes
Fault tolerance: can withstand the loss of one drive without losing data\
.
RAID 5 works by striping entire I/O blocks across all members of the set\
, 
with each member taking turns carrying parity data computed by the Port \
Multiplier.
CLONE (Mirror set)
Number of drives: at least 2
Unit capacity: size of one member.
Spares: yes
Fault tolerance: can withstand the loss of any number of drives without \
losing 
data as long as at least one complete member remains online. 
						

							CLONE mode works the same way as RAID 1, by maintaining a complete 
copy of the entire set of data on each drive.
LARGE (Spanned set)
Number of drives: at least 2
Unit capacity: 100% of all drives together regardless of differences in size
Spares: no
Fault tolerance: cannot withstand the loss of any drives without losing \
data. 
However, some data may be recovered as long as the drive(s) carrying the 
file system data (boot record, directory, etc.) remain online.
LARGE mode is neither a RAID nor is it a JBOD. It works by declaring the\
 
sum of all available space of the member drives as a single unit, withou\
t 
striping the data. As each member is filled, new data is stored on the next.
Notes about Spare Drives
If EZ mode is disabled (SW1:2 ON), all individual drives not configure\
d as 
array members will be offered to the host adapter as separate units.
To create an array with one or more spares, set or modify the RAID mode 
using fewer than 5 members, while the spares are disconnected from the 
Port Multiplier. When EZ mode is enabled, individual drives connected when 
an array is present are considered spare.
Spare drives must be equal to or larger in size than the smallest member\
.
When any type of array is defined, individual units will be considered s\
pare. 
RAID 0 and LARGE arrays are not fault-tolerant and spare drives will not\
 be 
useful; therefore, disabling EZ for these arrays is recommended.
When a spare drive is present and a fault-tolerant RAID (1, 10, 3, or 5\
) is 
defined, EZ mode will automatically rebuild any available spares into th\
e 
array.
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