ORA-15014: path ‘/dev/disk1? is not in the discovery set

ORA-15014: path ‘/dev/disk1? is not in the discovery set

First we need to check with system administrators to name the disks for the RAC 11gR2 installation using one common naming convention like say – disk1,disk2,disk3…..
SQL> create diskgroup DATA external redundancy disk ‘/dev/disk1’ force;
create diskgroup DATA external redundancy disk ‘/dev/disk1’ force
*
ERROR at line 1:
ORA-15018: diskgroup cannot be created
ORA-15031: disk specification ‘/dev/disk1’ matches no disks
ORA-15014: path ‘/dev/asm_disk2? is not in the discovery set
SQL> alter system set asm_diskstring=’/dev/disk1?;
alter system set asm_diskstring=’/dev/disk1’
*
ERROR at line 1:
ORA-02097: parameter cannot be modified because specified value is invalid
ORA-15014: path ‘/dev/ocr_disk1? is not in the discovery set
SQL> alter system set asm_diskstring=’/dev/disk*’ sid=’*’;
System altered.
SQL> create diskgroup DATA external redundancy disk ‘/dev/asm_disk1’;
Diskgroup created.
  • September 15, 2015 | 13 views
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