How to find which asm disk maps to which linux partition
[orcl@lnx01 ~]$ /etc/init.d/oracleasm querydisk -d `/etc/init.d/oracleasm listdisks -d`
Disk "ASM001" is a valid ASM disk on device /dev/dm-51[252,51]
Disk "ASM002" is a valid ASM disk on device /dev/dm-49[252,49]
Disk "ASM003" is a valid ASM disk on device /dev/dm-47[252,47]
Disk "ASM004" is a valid ASM disk on device /dev/dm-45[252,45]
Disk "ASM005" is a valid ASM disk on device /dev/dm-41[252,41]
Disk "ASM006" is a valid ASM disk on device /dev/dm-37[252,37]
Disk "ASM007" is a valid ASM disk on device /dev/dm-56[252,56]
Disk "ASM008" is a valid ASM disk on device /dev/dm-55[252,55]
Disk "ASM009" is a valid ASM disk on device /dev/dm-54[252,54]
Disk "ASM010" is a valid ASM disk on device /dev/dm-44[252,44]
Disk "ASM011" is a valid ASM disk on device /dev/dm-40[252,40]
Disk "ASM012" is a valid ASM disk on device /dev/dm-38[252,38]
Disk "ASM013" is a valid ASM disk on device /dev/dm-39[252,39]
Disk "ASM014" is a valid ASM disk on device /dev/dm-42[252,42]
Disk "ASM015" is a valid ASM disk on device /dev/dm-53[252,53]
