ASM_PREFERRED_READ_FAILURE_GROUPS

Property	Description
Parameter type	String
Syntax	ASM_PREFERRED_READ_FAILURE_GROUPS = ., ...
Default value	NULL
Modifiable	ALTER SYSTEM
Basic	No
Real Application Clusters	The value is different on different nodes

ASM_PREFERRED_READ_FAILURE_GROUPS specifies the failure groups that contain preferred read disks. Preferred disks are instance specific. This parameter is only valid in ASM instances.

Note:

1. This parameter was introduced in 11g.

Oracle initializatoin parameters