G-Technology GRATHNB80002BAB User Manual download pdf (Page 11)

visual alarms.

What To Do In The Event Of A Disk Drive Failure

The internal components of the G-SPEED Q continually

monitor the health of each of the disk drives. In the event of a

disk failure, a visual alarm will appear.

NOTE: If G-SPEED Q was congured in a protected RAID

mode (RAID 5), a drive failure will not result in data loss.

However, the array is now in an unprotected state and the

failed drive should be replaced as soon as possible to avoid

data loss. If G-SPEED Q is congured as RAID 0, there will be

data loss.

Follow the steps below to identify and replace a failed drive.

1. Locate the malfunctioning drive by visually inspecting the

drive modules. If an amber LED is lit for a drive, it is the one

that has failed.

2. Remove the failed drive

by inserting the provided

key in to the lock hole and

gently sliding the drive

module out of the

enclosure.

WARNING: REMOVING THE

WRONG DRIVE WILL RESULT

IN THE LOSS OF THE ARRAY

AND ALL OF THE CONTENT STORED ON G-SPEED Q.

4. Replace the failed drive with a new disk module (new drive

modules can be purchased here) and secure it in place. Once

the drive has spun up to speed, the drive will indicate that the

array is rebuilding. The rebuild time is approximately 2 hours

per TB.

Note: You can continue using the G-SPEED Q even while the

volume is being rebuilt, albeit at slower data rates.

5. Once the rebuild is complete, G-SPEED Q is back to Normal

and protecting your valuable data once again.

Note: It is good practice to keep at least one spare drive

module on hand in case of a disk failure. This way, you can

rebuild your array in hours rather than wait days for a new

one to ship to you.

Disconnecting G-SPEED Q

A great feature of G-SPEED Q is its ability to be connected

and disconnected while your computer is running. To

prevent failures and/or data loss it is important to follow the

steps below when disconnecting or “unmounting” the G-

SPEED Q from your computer.

1. Before powering down and disconnecting G-SPEED Q, you

must unmount the system by simply dragging the G-SPEED Q

icon to the trash located in the dock.

2. It is now safe to power oﬀ and remove G-SPEED Q from

your system.

Note: you can also mount and unmount the G-SPEED Q in

Apple Disk Utility.

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G-Technology GRATHNB80002BAB User Manual Page 11

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