Addonics Technologies RAID Tower XIII RT134SDMS User Manual - Page 5

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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 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 setting (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.

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 beeps, 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 default setting.

Using identical drives for all settings other than JBOD or LARGE is strongly

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 using 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.

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