Addonics Technologies RAID Tower V RT5835HEU3 user guide web

							Technical Support
If you need any assistance to get your unit functioning properly, please have your 
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Phone: 408-453-6212
Email: http://www.addonics.com/support/query/
v5.1.11
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T E C H N O L O G I E S
User Guide
RAID Tower V
(RT5835HEU3)         
						

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Removing Cover of Raid Tower V
Loosen the 3 screws at the back of the tower using a Philips screwdriver. Push cover 
toward  the rear of the tower and lift slightly to disengage and remove.\
Arrays
The RT5835HEU3 contains two individual Port 
Multipliers, each managing an array of four 
drives. Array 1 includes the four drives on the 
left of the Disk Array 5SA, and Array 2 includes 
the far right drive on Disk Array 5SA, along with 
all drives in Disk Array 3SA as shown.
Array Host LED: Glows when either eSATA or 
USB connection is active. Winks to indicate 
activity.
Array Error LED: In RAID configuration, glows 
to indicate a RAID array is degraded or offline. 
Blinks to indicate a RAID array is in a rebuilding 
state.
Connecting and Powering on 
RAID Tower V
1. Connect AC Power cord on the rear of the 
tower.
2. Connect each of the two Arrays to the 
computer using either eSATA or USB 2.0 or 
USB 3.0 cable.
3. Turn on Main AC Switch on the rear of the 
tower, then press Front Power Switch to turn 
unit on.
Array 1
Array 2
     Front
Power Switch
Power LED
Array 1 Host
Array 1 ErrorArray 2 Host Array 2 Error
Array 1 Array 2
    Power
Connector
Main AC 
  Switch
Drive Drawers
Reset switch for buzzer
alarm and overheating
Drive Power Switch
Power and HD 
  access LED
Temperature LED
Fan LED 
						

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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 settin\
g (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.
Disk Array 5SA and Disk Array 3SA
HDD LED: located above the drives on Disk Array 5SA and in the HDD power 
switches on Disk Array 3SA, one LED for each drive. LED glows green to indicate 
drives are powered up and blink amber to indicate activity.
FAN LED: indicates fan failure.
TEMPERATURE LED: Located next to HDD LEDs on Disk Array 5SA and inside 
RESET button on Disk Array 3SA. Indicates temperature beyond range inside the 
enclosure. An audible alarm will also sound from the array. In RAID Tower V, the 
default setting of 60 degrees C is default.
RESET SWITCH: Marked “R” on Disk Array 5SA and “RESET” on Disk Array 
3SA. Silences the audible alarm for temperature warnings.
DRIVE POWER SWITCH: Located below the drives and marked with a power 
symbol on Disk Array 5SA, right of the drives and marked “HD1, HD2, HD3” on 
Disk Array 3SA. Controls power to each individual drive. When all HD Power 
Switches are turned off, the entire enclosure will also be turned off.
Alarm & LED
Reset Switch
  Drive Power
Switch and LED
Drive Drawers 
						

							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 locate\
d 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 default 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 mem\
ber 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 using only as much space as the sma\
llest member. 
Creating a RAID using drives that have different performance will degrade the overall 
performance of the array.
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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 alarm. 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 considered \
spare. Should 
a RAID become degraded, when the EZ switch is in the OFF position a spar\
e drive 
will be used automatically to rebuild the RAID, if present. EZ mode is d\
etermined 
when the unit is powered up. Changing the switch will have no effect until the unit has 
been re-powered.
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 type of RAID ha\
s 
different properties and requirements, as follows: 
						

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Raid  M ode  BZS1  EZ  M2  M1  M0 
JB O D ( Indiv id u al d riv e s) *  FA C TO RY D EFA U LT  SETTIN G  
O FF O FF2 O FF O FF O FF 
0 O FF O N3 ON ON ON 
1 o r 1 0 O FF O FF O N O N O FF 
3 O FF  OFF  O
N  ON 
OFF 
5 O FF O FF O FF O N OFF 
CL ONE  OFF  OFF  OFF O N ON 
LA RG E O FF O N3 ON OFF O N 
                                       1 Audible alarm is recommended at all times.
                                      2 EZ mode has no effect in JBOD mode.
                                      3 Disabling EZ for RAID 0 and LARG\
E is strongly recommended.   
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.
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 losi\
ng 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 mirror set\
s are striped 
together. 
						

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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 the 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 s\
ystem 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, without striping \
the data. As 
each member is filled, new data is stored on the next. 
						

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