You may want to use '/etc/init.d/oracldasm with the querydisk option. this should give you the device numbers for that particular disk. ex. /etc/init.d/oracleasm querydisk DATA100_0019 Disk "DATA100_0019" is a valid ASM disk on device [120, 113] I think go to the device directory and see what 120,113 corresponds to. On 5/8/08, William Wagman <wjwagman@xxxxxxxxxxx> wrote: > > Greetings, > > I hope this isn't a naïve question but anyway, I am using ASM on a two > node RAC cluster, Oracle 10.2.0.3.0 SE on Red Hat EL4. The raw devices look > like this... > > crw-rw---- 1 root dba 162, 1 May 6 14:45 /dev/raw/raw1 > crw-rw---- 1 oracle dba 162, 10 May 6 14:45 /dev/raw/raw10 > crw-rw---- 1 oracle dba 162, 11 May 7 10:36 /dev/raw/raw11 > crw-rw---- 1 root dba 162, 2 May 6 14:45 /dev/raw/raw2 > crw-r--r-- 1 oracle dba 162, 3 May 6 14:45 /dev/raw/raw3 > crw-r--r-- 1 oracle dba 162, 5 May 6 14:45 /dev/raw/raw5 > crw-r--r-- 1 oracle dba 162, 6 May 6 14:45 /dev/raw/raw6 > crw-rw---- 1 oracle dba 162, 7 May 6 14:45 /dev/raw/raw7 > crw-rw---- 1 oracle dba 162, 8 May 6 14:45 /dev/raw/raw8 > crw-rw---- 1 oracle dba 162, 9 May 6 14:45 /dev/raw/raw9 > > I know which are used for the CRS and voting disks but I am trying to > determine which of the others make up the ASM disk groups and I can't find > information on how to do that. The disk groups have been provisioned using > asmlib. Querying v$asm_disk returns the following... > > SQL> select group_number,name,substr(path,1,30) from v$asm_disk; > > GROUP_NUMBER NAME SUBSTR(PATH,1,30) > ------------ ------------------------------ ------------------------------ > 0 /dev/raw/raw10 > 0 /dev/raw/raw9 > 0 /dev/raw/raw8 > 0 /dev/raw/raw7 > 0 /dev/raw/raw6 > 0 /dev/raw/raw5 > 0 /dev/raw/raw3 > 0 /dev/raw/raw11 > 0 /dev/raw/raw1 > 0 /dev/raw/raw2 > 1 VOL1 ORCL:VOL1 > 1 VOL2 ORCL:VOL2 > 2 VOL3 ORCL:VOL3 > > For example which of the raw devices are mapped to VOL1? I suspect I am > not understanding something or else just have not found the appropriate view > to query but if someone can help me out I would be most appreciative. > > Thanks. > > Bill Wagman > Univ. of California at Davis > IET Campus Data Center > wjwagman@xxxxxxxxxxx > (530) 754-6208 > > > -- > //www.freelists.org/webpage/oracle-l > > >