How do I find the device for a ASMLIB disk
Just lookup the minor, major id.
oracle@server1:/u00/app/oracle/ [grid11201] ll /dev/oracleasm/disks/
total 0
drwxr-xr-x 1 root root 0 2009-12-18 14:31 .
drwxr-xr-x 4 root root 0 2009-12-18 14:31 ..
brw-rw—- 1 oracle dba 253, 19 2009-12-18 14:31 ORAASM1
brw-rw—- 1 oracle dba 253, 20 2009-12-18 14:31 ORAASM2
oracle@server1:/u00/app/oracle/ [grid11201] ll /dev/dm-*|grep ‘253, 19′
brw-r—– 1 root disk 253, 19 2009-12-18 14:31 /dev/dm-19
oracle@server1:/u00/app/oracle/ [grid11201] ll /dev/disk/by-id/ |grep dm-19
lrwxrwxrwx 1 root root 11 2009-12-18 14:31 scsi-sanvg-oraasm01 -> ../../dm-19