Addonics Technologies RAID Tower XIII RT134SDMS 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/
v5.1.11
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T E C H N O L O G I E S
User Guide
RAID Tower  XIII(RT134SDMS)         

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Unpacking and Overview
Mini SAS CablePower cord (US version shown)
RAID Tower XIII Unit 

Array Host LED: glows to indicate the port multiplier is 
properly connected to a host adapter, blinks to indicate 
activity.
Array Error LED: glows to indicate a fault-tolerant 
RAID array is either degraded or offline, blinks to 
indicate a fault-tolerant RAID array is rebuilding.
Each of the Disk arrays in RAID Tower XIII is equipped 
with an audible alarm. Should the array be configured 
as a RAID array and a drive failure occurs, the audible 
alarm will sound.
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Insert Hard Drives
with top facing 
right
Installation
1. Be sure front and rear power switches are in 
    the OFF position.
2. Connect power cord to the unit.
3. Connect the Mini SAS cable from the back of 
     the RAID Tower to the computer.
4. Turn on main power switch on the back of the  
    unit. The power switch on the front may be 
    used for normal operation....

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Port Multiplier Compatibility
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.
Resetting the RAID Mode
NOTE: This procedure destroys all RAID data. It should...

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 considered \
spare. 
Should a RAID become degraded, when the EZ switch is in the OFF position\
 a 
spare drive will be used automatically to...

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...

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...

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 u\
sing 
fewer than 5 members, while the spares are disconnected from the Port Mu\
ltiplier. 
When EZ mode is enabled, individual drives connected when an array is pr\
esent 
are considered spare.
Spare drives must be equal to or larger in size than the smallest...

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