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what shutdown abort did ?

edited Oct 4, 2009 11:23PM in Database Administration (MOSC) 4 commentsAnswered
 suggest i have a database,

customer use shutdown immediate to shutdown database,

they wait about a hour , see the alert.log  a lot of write redo log action was do.

so i guess maybe a lot of redo log buffer and undo buffer  was  need to written to redo log,

is my opnion right?

then i suggest they did shutdown abort,  seem shutdown the database quickly,

then nomal start db is ok, but alert.log we find still a lot of redo was written to undo tablespace,maybye use this to rollback data, is my opnion right?

what did shutdown abort did,means the buffer was not written  to disk, is my opnion right?

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