Diagnostic Alert: Loss of Sync and/or Checksum Error on a module or PLR; Failed SATA cable
Potential Symptoms
- IDM may indicate Loss of Sync Errors on the modules and/or PLRs.
- IDM may indicate Checksum Error on the modules and/or PLRs.
- Module self-test fails when using existing cable, passes with a known good cable.
- One diagnostic light on the back of the module blinks faster or out of sync with lights on surrounding modules.
- May show visual issues.
- Visual issue remains in same location after moving or replacing modules.
- PLR test pattern, or port health test show issue location, and re-seating the cable does not resolve it.
IDM / System Health Event(s)
- Strip of modules with Communication Failure events, and modules on both ends have Loss of Sync events.
- Checksum Error on a module or PLR
Environment
- Product: DB-4000, DB-4100, DB-4101, DB-4200, DB-4202, DB-5000, DB-6000, DB-6400, DVX, DVN, RTX, GP3, GP4, GS6, GT6, ECCB, DXB-0100, BLD-0100, DVX-1162
- Component: SATA cable
- Control System:
Cause
- Failed SATA cable.
Resolution
- Replace the faulty SATA cable(s).
Related Resources
- Diagnostics: Loss of Sync event on module
- Diagnostics: Loss of Sync ProLink5, Port A or B
- Diagnostics: Loss of Sync ProLink 6, Port A or B event on PLR
- Diagnostics: PLR Loss of Sync Port B on GS6
- Diagnostics: Loss of Sync (ProLink 6, Port X) event on PLR, Loose or Failed fiber
- Diagnostics: Loss of Sync and/or Checksum Error on a module or PLR; Failed SATA cable
- Loss of Sync (ProLink 6, Port X) event on PLR in IDM, Failed fiber bulkhead
- Loss Of Sync ProLink 6 PLR, Power cycle PLR
KB ID: DD2050555
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