IEA484I   CACHING STATUS RESET TO DEFAULT - device-number/ssid.p-cc-nn SENSE=sense

Explanation

Retentive status of the subsystem, a fast write or dual copy has been reset. In the message text:
device-number
The physical device address.
ssid
The subsystem identifier.
p
The storage path.
cc
The controller address.
nn
The device number.
sense
The 32 characters of sense data reported by the device.
xxxx xxxx xxxx xxxx xxxx xxxx xxxx xxxx

System action

Processing continues.

Operator response

If the device associated with this message is attached using the IBM® 3990 Model 3 or Model 6 Storage Control, contact IBM hardware support for detailed recovery actions.

Source

DFSMSdfp