Owners Manual

Table 27. Event descriptions and recommended actions (continued)
Number Severity Description/Recommended actions
● This event is probably caused by equipment outside of the storage system, such as faulty
cabling or a faulty switch.
● If the problem is not outside of the storage system, replace the controller module that logged
this event.
Info. The link for the indicated host port has gone down because the controller is starting up.
Recommended actions:
● No action is required.
114 Info. The link for the indicated disk-channel port is down. Note that events 114 and 211 are logged
whenever a user-requested rescan occurs and do not indicate an error.
Recommended actions:
● Look for corresponding event 211 and monitor excessive transitions indicating disk problems.
If more than 8 transitions occur per hour, see Troubleshooting and problem solving on page
31.
116 Error After a recovery, the partner controller was killed while mirroring write-back cache data to the
controller that logged this event. The controller that logged this event restarted to avoid losing
the data in the partner controller’s cache, but if the other controller does not restart
successfully, the data will be lost.
Recommended actions:
● To determine if data might have been lost, check whether this event was immediately
followed by event 56 (Storage Controller booted up), closely followed by event 71 (failover
started). The failover indicates that the restart did not succeed.
117 Warning This controller module detected or generated an error on the indicated host channel.
Recommended actions:
● Restart the Storage Controller that logged this event.
● If more errors are detected, check the connectivity between the controller and the attached
host.
● If more errors are generated, shut down the Storage Controller and replace the controller
module.
118 Info. Cache parameters have been changed for the indicated volume.
Recommended actions:
● No action is required.
127 Warning The controller has detected an invalid disk dual-port connection. This event indicates that a
controller host port is connected to an expansion port, instead of to a port on a host or a switch.
Recommended actions:
● Disconnect the host port and expansion port from each other and connect them to the
proper devices.
136 Warning Errors detected on the indicated disk channel have caused the controller to mark the channel as
degraded.
Recommended actions:
● Determine the source of the errors on the indicated disk channel and replace the faulty
hardware.
When the problem is resolved, event 189 is logged.
139 Info. The Management Controller (MC) has powered up or restarted.
Recommended actions:
● No action is required.
Events and event messages 87