dmesg | grep "on sd"
[   46.180076] EXT3 FS on sda1, internal journal
[  775.715516] EXT3 FS on sdb1, internal journal
[  775.771506] EXT3 FS on sdc1, internal journal
[  775.795565] EXT3 FS on sdb2, internal journal
[  775.839531] EXT3 FS on sda3, internal journal