Manx SA7x Guía de instalación descargar pdf (Pagina 46)

5.4 Setting the Unit Number

The unit number for any drive can be set at the operator control panel. This is the number

by which the drive is known to the system. Once the number is in the drive, the system

controller reads it according to the controller’s protocol.

You must take a drive off line before changing its unit number. You do not need to take any

other drives in the enclosure off line while setting a speciﬁc drive unit number, nor do you

need to spin down the selected disk to change the unit number. When the operator control

panel is in unit select mode, all drives not spun down continue to operate according to the

settings of the operator control panel switches.

To set the unit number:

1. Dismount the disk, using the proper system commands.

2. Place the desired drive off line according to the procedures in Section 5.3. Do not set the

drive power switch to Off.

3. Press the Unit Select switch with a pen or small screwdriver. The unit select numbers

for all powered-on drives in the enclosure ﬂash to indicate that the operator control panel

is in unit select mode.

4. Press the Fault/Set No. switch once to increment the unit number by one.

Press and hold the Fault/Set No. switch to rapidly increment the unit number for that

drive. Set the unit number between 000 and 255.

Note

You cannot decrement a drive number. Holding the Fault/Set No. switch

increments to 255, then starts at 0 again.

5. Repeat that step for all drives for which you are changing numbers. If you do not press

the Fault/Set No. switch, the number remains the same as before you entered the unit

select mode.

6. After setting the unit numbers, restore the operator control panel to normal operation by

pressing the Unit Select switch again.

7. Restore the off-line drive to its on-line status. Refer to Section 5.2.

8. Remount the disk drive, using the proper system commands.

After the SA7x enclosure powers up, passes internal diagnostics, and has the unit number

set, run the SA7x/KDB50/KDM70 diagnostics to ensure the conﬁguration is operational.

Powering Up the SA7x Enclosure 5–3

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Manx SA7x Guía de instalación Pagina 46