Hi: It is a strange problem,did you add new objects which db_block_size is different from the old objects? 2006/2/23, Stephen Andert <andert@xxxxxxxxx>: > > Hi all, > > I haven't done a restore/recovery in a looong time. So long in fact, that > we were not using RMAN the last time I did. Anyway, I am going through a > test recovery and restoring the controlfile and spfile worked, but after > restoring the spfile, I am unable to mount the database. I get the > following error: > > RMAN-00571: =========================================================== > RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS =============== > RMAN-00571: =========================================================== > RMAN-03002: failure of alter db command at 02/22/2006 15:43:28 > ORA-00209: control file blocksize mismatch, check alert log for more info > > The alert log says this: > alter database mount > Wed Feb 22 15:43:25 2006 > ORA-00218: block size 8192 of controlfile does not match DB_BLOCK_SIZE > (4096) > ORA-00202: controlfile: '?/dbs/cntrl@.dbf' > Wed Feb 22 15:43:28 2006 > ORA-209 signalled during: alter database mount... > > however, when I look in the spfile, I see: > *.db_block_size=8192 > > Am I missing something? > > This is using Oracle 9.2.0.4 on AIX 5.2. > TIA > -- > Stephen >