ATTO Technology Express SAS R348 Guía para resolver problemas descargar pdf (Pagina 2)

Æ The ExpressSAS Raid controller is installed in the computer but it does not

appear in the System Profiler.

 The ExpressSAS Raid controller may be improperly seated. Power down the

computer and reseat the card.

 Check for the correct installation of the driver. Always verify that you are using

the latest version. If you are unsure about what the latest version is, check the

ATTO Tech website for the current versions available. (www.attotech.com)

 Try putting the ExpressSAS Raid controller in a different slot.

 Make sure that the ExpressSAS Raid controller is installed in a slot configured as

a x8.

 Remove any non-vital PCI cards from the system to determine if there is a PCI

bus conflict.

 Disconnect any SAS/SATA devices from the ExpressSAS Raid controller and

reboot the computer. If this resolves the issue, investigate the SAS cables and

SAS/SATA target device(s) as described in the section below.

 If the computer still does not boot, try installing the ExpressSAS Raid controller in

a different computer. If the ExpressSAS Raid controller works in the new

computer, try updating the flash on the ExpressSAS Raid controller as described

in the “Installation and Operations” manual. Then try it again in the original

computer.

 If it still fails, report this as a possible interoperability issue between the

ExpressSAS Raid controller and the computer.

 If the problem follows the ExpressSAS Raid controller, replace it with a new one.

Æ The Mac freezes or hangs.

 Disconnect all devices from the ExpressSAS Raid controller and reboot the

system.

If the system still freezes:

 Remove any non-vital PCI cards from the system to determine if there is a PCI

bus conflict.

 Remove the ExpressSAS Raid controller and test it in a different computer (not

the same model).

 If the problem follows the card, replace the ExpressSAS Raid controller with a

new one.

If the system no longer freezes after disconnecting the SAS/SATA devices:

 Check cable integrity. Check the cables for solid connections.

 Investigate the SAS/SATA device for power. If available, connect to the device’s

management feature and run any diagnostic test(s) available.

 Watch the LED indicators on the SAS/SATA devices before, during, and after

startup. Drive lights should also flash at startup as the SAS port is scanned. This

Page 2 of 9 ATTO Technology, Inc. July 12, 2007

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ATTO Technology Express SAS R348 Guía para resolver problemas Pagina 2