Dell Compellent: Cache HBA mirroring port exceeds link Failure Threshold
Summary: How to troubleshoot when the cache HBA mirroring port exceeds the link Failure Threshold.
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Symptoms
Alert:
Cache HBA Mirroring Port port number Exceeded Link Failure Threshold
Cause
Cache HBA mirroring on a specific port has exceeded the Link Failure Threshold.
Resolution
Perform the following:
Clean the optics and or try a new cable.
If the issue is still present, contact Dell Technical Support to determine if a configuration modification or hardware replacement is necessary.
Affected Products
Dell Compellent SC200, Dell Compellent SC220, Dell Compellent SC280, Dell Compellent SC4020, Dell Storage SC8000, Dell Compellent Series 40, Dell Storage SC100, Dell Storage SC120, Dell Storage SC180, Dell Storage SCv2000, Dell Storage SCv2020
, Dell Storage SCv2080
...
Article Properties
Article Number: 000138220
Article Type: Solution
Last Modified: 08 Sept 2025
Version: 5
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