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Chapter 10: Solving Problems l54
Troubleshooting Checklist
If you encounter difficulties installing or using your HostRAID controller, check these items
first:
● With your computer powered off, check the connections to each disk drive, the power
supply, the LED connector, and so on.
● Try disconnecting and reconnecting disk drives from the HostRAID controller.
● Check that your HostRAID controller is installed in a compatible expansion slot. To
double-check the bus compatibility of your controller, see About Your HostRAID Controller
on page 14.
● Ensure that your HostRAID controller is firmly seated and secured in the PCI, PCI-X, or
PCIe expansion slot.
● If your HostRAID controller is not detected during system boot, try installing it in a
different expansion slot. See Installing the HostRAID Controller on page 27 for instructions.
● Did the driver install correctly?
If you are still unable to resolve a problem, you can find additional troubleshooting
information and direction on the Adaptec Web site at www.adaptec.com and the Adaptec
Support Knowledgebase at ask.ad aptec.com.
Recovering from a Disk Drive Failure
This section explains how to recover when a disk drive fails:
● If the array was protected by a hot spare, see next section.
● If the array was not protected by a hot spare, see Failed Disk Drive Not Protected by a Hot
Spare on page 54.
● If there is a disk drive failure in more than one array simultaneously, see Failure in Multiple
Arrays Simultaneously on page 55.
● If it is a RAID 0 array, see Disk Drive Failure in a RAID 0 Array on page 55.
● If multiple disk drives fail within the same array, see Multiple Failures in the Same Array on
page 55.
Note:
Adaptec Storage Manager uses the term logical drives when referring to arrays.
Failed Disk Drive Protected by a Hot Spare
When an array is protected by a hot spare, if a disk drive in that array fails the hot spare is
automatically incorporated into the array and takes over for the failed drive.
To recover from the failure, remove and replace the failed disk drive (following manufacturer’s
instructions).
Failed Disk Drive Not Protected by a Hot Spare
If a disk drive fails in an array that is not protected by a hot spare, replace the failed drive. The
controller detects the new disk drive and rebuilds the array.