ALERT

This message occurs when the Alternate Control Path (ACP) Administrator determines that the SAS shelf I/O module (IOM) that is configured for in-band ACP is experiencing communication errors. With this condition the system may experience performance degradation for additional error recovery activities.

Examine the event log for I/O errors that might have a common source such as faulty cabling, and correct them. If the errors persist, the IOM might need to be replaced. Contact NetApp technical support.

IOM "%s" is reporting multiple in-band ACP communication errors. Shelf serial number: %s.

inband_id (STRING): Inband ID of the module.
shelf_sno (STRING): Storage shelf serial number of the shelf where the I/O module is seated.