Oracle LUN corrupted or inaccessible headers
Applies to
- ONTAP
- Oracle
Issue
- Oracle experiences invalid ASM block header, Invalid OSM block type 0, ASM ORA-15196
- Physical LUN reports no issues from storage, online healthy
- Storage system is healthy
- Environment is in IMT and following host setup
Example:
ASM Alert Log file and trace file:
dbkedDefDump(): Starting a non-incident diagnostic dump (flags=0x0, level=0, mask=0x0)
Error Stack Dump -----
ORA-15196: invalid ASM block header [kfc.c:30318] [endian_kfbh] [20] [1] [0 != 1]