Adaptec DuraStor 7220SS User Manual page 95

Problem: The system hangs during a disk drive scan.
Follow these steps to resolve the problem:
1
Check the storage enclosure to make sure everything is properly
connected.
2
Remove and replace the disk drive that failed the scan.
3
If the storage enclosure and the disk drive work properly,
replace the controller.
Problem: An active-active controller pair hangs during bootup disk
drive scan (typically after displaying
Verify that all SCSI channels are connected, cabled, and terminated
properly. Verify that the controllers are set to their default
configuration (active-active dual-port mode).
Problem: An active-active controller pair hangs the host system
during normal operation or after failing over.
Verify that all SCSI channels are connected, cabled, and terminated
properly.
Problem: An active-active controller pair always fails over after
booting up.
Verify that the controller that is failed/killed is set to its default
configuration (active-active dual-port mode). Verify the same
SDRAM DIMM sizes are in both controllers. Active-active
controllers require the same SDRAM DIMM size.
Problem: One controller of an active-active controller pair displays
the following message when booting: "Other Controller is attempting
to reset this controller".
This message appears on failback if the failed controller has not
been replaced. The message continues to display whenever you
boot the working controller and change its configuration. To
eliminate the message, replace the failed controller.
on the RS-232 display).
CT_Init
Troubleshooting
7-7