This is the same alert which we are addressing in this case.
“712d842b Severity Error Host VNX2-SPB Storage Array CKM00141901035 SP N/A Device N/A
Description Internal Information Only. Error CBFS 7 Op 0xE12D8420 (Callbk) occurred while evacuating slice.”
This is an Internal Information Only alert.
Do let me know if you have any queries related to the issue.