Cannot Start Asm Ora-15063/ORA-15183

(Doc ID 340519.1)

Last updated on MARCH 21, 2018

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 10.1 to 11.1]
Linux OS - Version 2.6.9- to 2.6.18- [Release OL4U6 to OL5U2]
Linux x86
Red Hat Enterprise Linux Advanced Server x86-64 (AMD Opteron Architecture)


ASM1 RAC Instance could not mount the diskgroup(s) due to the next errors:

SQL> startup
ASM instance started
Total System Global Area 130023424 bytes
Fixed Size 2019032 bytes
Variable Size 102838568 bytes
ASM Cache 25165824 bytes
ORA-15032: not all alterations performed
ORA-15063: ASM discovered an insufficient number of disks for diskgroup "DATA"


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