AssuredSAN 4004 Series Setup Guide 87
Is the 2U48 disk drive module LED blinking blue (4Hz blink rate)?
NOTE: Consider the following when accessing disks: see FDE considerations on page 37.
Is a connected host port Host Link Status LED off?
Is a connected port Expansion Port Status LED off?
Answer Possible reasons Actions
Yes • The disk has failed or experienced a
fault.
• The disk is a leftover.
• The disk group that the disk is
associated with is down or critical.
• Check the event log for specific information
regarding the fault; follow any Recommended
Actions.
• Isolate the fault.
• Contact an authorized service provider for
assistance.
Table 14 Diagnostics LED status: Disk drive fault status (2U48 modules)
Answer Possible reasons Actions
No System functioning properly. No action required (see Link LED note: page 124).
Yes The link is down. • Check cable connections and reseat if necessary.
• Inspect cable for damage.
• Swap cables to determine if fault is caused by a
defective cable. Replace cable if necessary.
• Verify that the switch, if any, is operating properly. If
possible, test with another port.
• Verify that the HBA is fully seated, and that the PCI slot
is powered on and operational.
• In the SMC or RAIDar, review event logs for indicators
of a specific fault in a host data path component.
• Contact an authorized service provider for assistance.
• See Isolating a host-side connection fault on page 89.
Table 15 Diagnostics LED status: Rear panel “Host Link Status”
Answer Possible reasons Actions
No System functioning properly. No action required.
Yes The link is down. • Check cable connections and reseat if necessary.
• Inspect cable for damage. Replace cable if necessary.
• Swap cables to determine if fault is caused by a
defective cable. Replace cable if necessary.
• In the SMC or RAIDar, review the event logs for
indicators of a specific fault in a host data path
component.
• Contact an authorized service provider for assistance.
• See Isolating a controller module expansion port
connection fault on page 91.
Table 16 Diagnostics LED status: Rear panel “Expansion Port Status”
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