Your AIX use big vg ? or scalable vg ? AIX maintain lvevel is ML 05? On Nov 16, 2007 3:31 AM, Ethan Post <post.ethan@xxxxxxxxx> wrote: > We have been dealing with IBM and Cybernetics for a few months trying to > get the write combination of drivers built to run Oracle RAC. Supposedly > everything is fixed, but now my database (just rebuilt) keeps getting > corrupt blocks. I don't expect an answer as to our problem, but what is > going to be the quickest way to determine the cause of the block corruption? > What trace mechanisms should I be activating from Oracle perspective? Block > checking and block check sum I assume, any specific RAC trace tools? > > Wed Nov 14 22:43:05 2007 > Read from controlfile member '+DATA/my50rac/control01.ctl' has found a > fractured block (blk# 35, seq# 0) > Hex dump of (file 0, block 35) in trace file > /oracle/product/admin/my50rac/bdump/my50rac1_lmon_729294.trc > Corrupt block relative dba: 0x00000023 (file 0, block 35) > Fractured block found during control file block read > Data in bad block: > check value in block header: 0x0 > block checksum disabled > Wed Nov 14 22:43:05 2007 > Wed Nov 14 22:43:05 2007 > ORA-00227: corrupt block detected in control file: (block 35, # blocks 1) > Wed Nov 14 22:43:05 2007 > ORA-00227: corrupt block detected in control file: (block , # blocks ) > Wed Nov 14 22:43:05 2007 > Wed Nov 14 22:43:07 2007 > Wed Nov 14 22:43:08 2007 > Wed Nov 14 22:43:10 2007 > Wed Nov 14 22:43:13 2007 > Thu Nov 15 12:35:10 2007 > -- Personal Portal: http://www.dbanotes.net