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      acp.commerrpersist events
acp.commErrPersist
- Severity
 - 
ALERT
 - Description
 - 
This message occurs when the Alternate Control Path (ACP) Administrator determines that a SAS shelf I/O module (IOM) configured for in-band ACP is experiencing persistent communication errors.
 - Corrective Action
 - 
Examine the event log for I/O errors that might have a common source with this problem, such as faulty cabling. If other devices are not experiencing failures, then contact NetApp technical support to replace the IOM.
 - Syslog Message
 - 
IOM %s has failed after reporting multiple in-band ACP errors. Shelf serial number: %s.
 - Parameters
 - 
inband_id (STRING): Inband ID of the module.
shelf_sno (STRING): Storage shelf serial number of the shelf where the IOM is seated.