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DBCA Results Error [DBT-11512] Unable To Validate ASM. There Is No Disk Group Detected. (Doc ID 2508209.1)

Last updated on APRIL 17, 2023

Applies to:

Oracle Database - Enterprise Edition - Version and later
Information in this document applies to any platform.


o Environment is a 3-Node cluster

o DBCA is executed to extend the RAC database to <nodename3> but reports the following error in dbca trace log ( From location: <ORACLE_BASE>/cfgtoollogs/dbca):

[pool-1-thread-1] [ 2018-12-09 18:37:18.901 GMT-03:00 ] [Utils.getPropertyValue:371] propName=crs_home propValue=<GRID HOME>

[pool-1-thread-1] [ 2018-12-09 18:37:18.901 GMT-03:00 ] [UnixSystem.getCRSHome:3728] crs_home=<GRID HOME>

[pool-1-thread-1] [ 2018-12-09 18:37:18.901 GMT-03:00 ] [HAUtils.getConfiguredGridHome:1367] Configured Grid Infrastructure home: <GRID HOME>

[pool-1-thread-1] [ 2018-12-09 18:37:18.904 GMT-03:00 ] [KfodUtil.kfodOutput:375] <GRID HOME>/bin/kfod

[pool-1-thread-1] [ 2018-12-09 18:37:18.904 GMT-03:00 ] [KfodUtil.kfodOutput:375] nohdr=TRUE

[pool-1-thread-1] [ 2018-12-09 18:37:18.904 GMT-03:00 ] [KfodUtil.kfodOutput:375] OP=GROUPS

[pool-1-thread-1] [ 2018-12-09 18:37:18.904 GMT-03:00 ] [KfodUtil.kfodOutput:375] status=true

[pool-1-thread-1] [ 2018-12-09 18:37:18.904 GMT-03:00 ] [KfodUtil.kfodOutput:375] asmcompatibility=true dbcompatibility=true

[pool-1-thread-1] [ 2018-12-09 18:37:19.104 GMT-03:00 ] [KfodUtil.kfodOutput:386] Kfod result

SEVERE: Dec 09, 2018 6:37:19 PM oracle.install.commons.util.exception.AbstractErrorAdvisor getDetailedMessage

SEVERE: [FATAL] [DBT-11512] Unable to validate ASM. There is no disk group detected.

o Environment is having role separation and the issue can reproduce by executing as <database user>, below command doesn't produce any output:

<GRID HOME>/bin/kfod nohdr=TRUE OP=GROUPS status=true asmcompatibility=true dbcompatibility=true

o Environment is with RU and patch applied without any problem.


Added a new node to the cluster


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