Data Domain: Troubleshooting SAS Connectivity Issues
Summary: This KB provides links to the most referenced Dell Knowledge Base articles related to issues with Data Domain Serial Attached SCSI (SAS) components. Common SAS components are Host Bus Adapters (HBAs), Disk Array Enclosures (DAEs), and cabling. ...
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Table of the most popular Knowledge Base (KB) articles relating to SAS connectivity issues on Data Domain systems:
| Linked KB # | Summary |
| Data Domain: Resolving SAS or MPATH Alerts | All Data Domain systems have path redundancy (multipath) for attached enclosures and disks by SAS connectivity. If communication to any component on the SAS path is interrupted, then an appropriate alert notification is generated. |
| Data Domain: Troubleshooting SAS Cable Configuration and Connection Issues | This document aims to help troubleshooting possible cable connection issues on SAS links to attached storage. |
| Data Domain: Adding External Storage while system Is Online | This KB article describes the steps to expand external storage while the Data Domain System is operating. |
| Data Domain: Invalid SAS cable topology detected after upgrade or reboot | Invalid SAS cable topology detected after upgrade or reboot |
| Incorrect number of SAS controllers to support CLOUD-TIER CAPACITY License | License file has content error, "Incorrect number of SAS controllers to support CLOUD-TIER CAPACITY License" |
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Article Number: 000223813
Article Type: How To
Ultima modificare: 11 mar. 2026
Version: 6
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