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Sys-Health-Check messages warnings logged on BlackDiamond X8, 8800

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TitleSys-Health-Check messages warnings logged on BlackDiamond X8, 8800
Symptoms
A warning message is logged in the switch indicating that a card is not responding to certain amount of ticks:
01:52:13.99 <Warn:HAL.Sys.Warning> MM-B: Sys-Health-Check Card 8 not responding for 40000 ticks over interface 1
Environment
  • BlackDiamond X8, 8800
  • EXOS 15.3
Cause

These log messages indicate that the control traffic between the I/O Cards and the MM cards is experiencing issues due to hardware CRC errors. These errors are commonly originated by improper physical seating of the I/O modules, the MM/MSM modules or the FM modules on the BD-X8 Chassis. However, data flow through the switch should not be affected by this behavior.
Resolution
  1. Power down the Chassis
  2. Remove all I/O Cards
  3. Reseat all FM modules
  4. Reseat MM Cards
  5. Reseat the I/O Cards
  6. Power on the Chassis

If the problem reoccurs please open a case with GTAC.
Additional notes
The following log messages will be seen repeatedly in the switch when the issue occurs:

01:52:13.99 <Warn:HAL.Sys.Warning> MM-B: Sys-Health-Check Card 8 not responding for 40000 ticks over interface 1

01:52:13.99 <Warn:HAL.Sys.Warning> MM-B: Sys-Health-Check Card 6 not responding for 40000 ticks over interface 1
01:52:13.99 <Warn:HAL.Sys.Warning> MM-B: Sys-Health-Check Card 5 not responding for 40000 ticks over interface 1
01:50:15.56 <Warn:HAL.Sys.Warning> MM-A: Sys-Health-Check Card 8 not responding for 40000 ticks over interface 1
01:50:15.56 <Warn:HAL.Sys.Warning> MM-A: Sys-Health-Check Card 6 not responding for 40000 ticks over interface 1
01:50:15.56 <Warn:HAL.Sys.Warning> MM-A: Sys-Health-Check Card 5 not responding for 40000 ticks over interface 1
 

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