Originally posted by: redcursor
Did any of you enabled SOM=552 for a USP. ( I know this is done by HDS CE :-)).
HDS support recommended to turn this ON for a specific case with Oracle 10g DataGaurd implementation. Please see Note below.
Note: There is a system option (SOM=552) on the USP that will disable this data integrity mechanism and allow simultaneous read and write operations to the same block of data if this mode is enabled the SSB error code and host error messages will stop.