Hi, If I remember correctly I once saw the similar information during I rebuild table/build index. Did you submit commands like alter table move, alter/create index when you saw the data? 2008/12/5, LS Cheng <exriscer@xxxxxxxxx>: > > Hello > > I have a database with some strange temporary segments under SYS schema > seen from dba_segments as follows: > > OWNER SEGMENT_TYPE > SEGMENT_NAME TABLESPACE_NAME > ------------------------------ ------------------ > ------------------------------ ------------------------------ > SYS TEMPORARY > 84.41971 TBS_DON_DATA > SYS TEMPORARY > 84.13427 TBS_DON_DATA > SYS TEMPORARY > 84.12659 TBS_DON_DATA > > I remember see these sort of names when a index is being rebuilt but this > is not the case. They are constantly there. > > This happened after transporting 3TB Tablespaces from a 10g database > running on Solaris to a 2 Nodes Linux x86-64 RAC running in 11g. > > any clues? > > Thanks > > -- > LSC > > -- Regards, Yaping Chen http://yaping123.wordpress.com