APC RAID Subsystem SCSI-SATA II Guia do Utilizador descarregar pdf (Página 30)

Solving Problems

96-00290-001 Rev. A1 DataDirect Networks StorageScaler 2460 User Guide | 24

This chapter describes how to remove and replace failed or failing components of the

StorageScaler 2460 enclosure.

4.1 General Troubleshooting Tips

If you encounter difficulties installing or using your StorageScaler 2460 enclosure:

• Check all components on the enclosure—disk drives, APC units, I/O controllers—for

illuminated Fault LEDs. See Chapter 3 for more information.

• Ensure that all components are properly seated in their slots.

• Ensure that all cables are properly connected. If necessary, try using different SAS

cables.

• Ensure that both APC units are powered on.

• Try power cycling your equipment in this order:

a) Power off the host system.

b) Power off the SS2460 enclosure.

c) Power on the SS2460 enclosure.

d) Power on the host system.

• If you are using a single I/O controller, ensure that the controller is installed in Slot A

(on the le

side as view from the back of the enclosure). Slot A is the default location

of the I/O controller. To move or replace the controller, see Section 4.2.

4.2 Replacing a Controller

CAUTION ! Although the controllers are hot-swappable, the safest way to replace a

controller without any risk of damage or data loss is with the enclosure

powered off.

NOTE :

I/O traffic to an I/O controller should be stopped before hot-swapping a

controller.

To remove the controller:

1. If you are not doing a hot-swap, pow

er off your equipment in this order:

a) Power off the host system.

b) Then, power off the SS2460 enclosure.

2. Before you disc

onnect the cables, label each cable with the name of the port it connects

to. You will need this information when installing a new controller.

3. Disconnect all the cables con

nected to the controller.

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