Oracle Tips by Burleson

Oracle10g Grid Computing with RAC
Chapter 5 - Preparing Shared Storage

ASM Library

6 rows selected.
 
col GROUP_NUMBER heading GRP# format 99
col DISK_NUMBER heading Disk# format 999
col MOUNT_STATUS heading "Mount|Status" format A8
 
SQL> select GROUP_NUMBER, DISK_NUMBER, MOUNT_STATUS, STATE,REDUNDANCY,
     TOTAL_MB, FREE_MB, NAME, path  from  v$asm_disk ;
 
           Mount
GRP# Disk# Status  STATE   TOTAL_MB FREE_MB NAME          PATH
---- ----- ------- -------- ------- -----  ------------- -----------
   1     1 CACHED  NORMAL   4000     3878  TEST_DG_0001 /dev/raw/raw2
   1     0 CACHED  NORMAL   4000     3869  TEST_DG_0000 /dev/raw/raw1
 

As you see above, the ASM file is created out of two ASM disks.

Note in case of Linux Platform, use the Oracle provided ASM Library (Install ASM Libraries, which are available in the form of RPM/s) – Details of the installation is explained in a later part of this chapter