ASM disk missing
Our system has 1 node asm. There are 5 diskgroups with normal redundance.
Yesterday, we found that an asm disk is missing. The output:
QL> select name, mount_status, header_status, path from v$asm_disk order by name;
NAME MOUNT_S HEADER_STATU PATH
------------------------------ ------- ------------ ----------------------------------------
SGD_DATA_ASMDSK001 CACHED MEMBER ORCL:SGD_DATA_ASMDSK001
SGD_DATA_ASMDSK002 CACHED MEMBER ORCL:SGD_DATA_ASMDSK002
SGD_DATA_ASMDSK003 CACHED MEMBER ORCL:SGD_DATA_ASMDSK003
SGD_DATA_ASMDSK004 CACHED MEMBER ORCL:SGD_DATA_ASMDSK004
SGD_DATA_ASMDSK005 CACHED MEMBER ORCL:SGD_DATA_ASMDSK005
SGD_DATA_ASMDSK006 CACHED MEMBER ORCL:SGD_DATA_ASMDSK006