8e6 Technologies ERH-100 (5K02-61) User Manual
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Appendix: SAN Installation

Install the Unit

Link the ER Unit with the SCSI Connected Device

This sub-stepis a continuation from the Storage Device Setup (for Attached Storage Units) portion of Step 1A or 1B in the ER section. The procedures outlined in this step require the use of theCAT-5Ecrossover cable and the Ultra SCSI 160 cable.

A.Plug the SCSI cable into the upper right slot on the back of the ER unit (see Figure 1, Item A).

B.Plug one end of the CAT-5Ecrossover cable into the ER unit’s LAN 2port—theport on the right (see Figure 1 Item B fornon-“H”units, and Figure 2 Item B for “H” units).

Figure 1: Back of the non-ER“H” unit

Figure 2: Back of the ER “H” unit

C.Plug the other end of the SCSI cable into the storage device’s upper left disk “0” (zero) channel (see Figure 3 Item A).

Figure 3: Back of the Nexsan SATABoy

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Appendix: SAN Installation

D.Plug the other end of the CAT-5Ecrossover cable into the storage device’s port “0” (zero) on the right (see Figure 3 Item B).

E.Plug the storage device’s AC power cords into the back of the unit (see Figure 3 Item C).

F.Plug the loose ends of the AC power cords into a power source with an appropriate rating. It is strongly suggested you use an uninterruptible power supply.

WARNING: Be sureall drives are installed in the storage device unit before powering on the unit. Be sure the ER unit isnot powered on.

G.Turn on the power switches at the back of the storage device, which are positioned to the right of the power cord connectors.

The boot-upprocess may take up to 5 minutes. When the unit is booted up, the three vertical LED lights at the left of the front panel will be lit up (see Figure 4).

Once all LED lights are lit, the ER can be powered on.

Shut Down, Restart Procedures

Follow the procedures in this section if you need to shut down or restart the storage device.

Shut Down the Storage Device Unit

If you need to shut down the storage device, always follow these steps:

Figure 4: LED


A.Power off the ER unit first. (Refer to the Physically Connect the ER to the Network sub-stepin Step 1B of the ER section for shut down procedures.)

B.Power off the storage device next by turning off both switches in the back of the unit.

Restart the Storage Device Unit

The storage device must be restarted after a power failure. In this instance, the storage device may already be turned on, but needs to be booted up again.

WARNING: You mustalways power on the storage devicebefore powering on the ER unit. Since the storage device is an information database, if you experience a power interruption or if you power off the storage device without going through the standard shut down procedures, you may lose data and/or damage the file system.

To restart the storage device, press the power button on the front panel. The boot-upprocess may take up to 5 minutes.


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Appendix: SAN Installation

Physical Components

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Appendix: SAN Installation

LED Display

Temperature and Ventilation Status

When the LED is green, the blowers are operating at an acceptable RPM, and the internal temperature sensors are within acceptable limits.

The LED alternates green and red to indicate a predicted failure of one blower or an alarmingly rapid increase in temperature.

If the LED is red, a blower has failed or the unit is too hot, and an audible alarm will sound.

Power Supply Status

The LED is green if both power supplies are functional.

The LED is red if either power supply has failed, and an audible alarm will sound. In this scenario, an authorized service personnel should examine the LEDs on each power supply module to determine which has failed.

WARNING: Inadvertently removing the functional, surviving power supply will result in system failure and possible data loss.


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Appendix: SAN Installation

Management Alarm

A green LED indicates nominal status.

A red LED indicates RAID controller or non-PSU/Blowerenclosure errors.

Silence Button

Insert a thin object to temporarily silence the audible alarm. This button also is used for confirming creation in the RAID configuration mode.

Disc Drive Alarm

The LED is illuminated yellow if a drive is suspected to be bad.

Disk Drive Activity

The LED is illuminated green when an installed drive is in a “ready” state. During activity, the LED will flicker.

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