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Oracle RAC18C: What is the function of "ora.DGNAME.ghchkpt.acfs" & "ora.DGNAME.GHCHKPT.advm"

edited Oct 12, 2018 5:03AM in Database - RAC/Scalability (MOSC) 1 commentAnswered

Hi  Oracle experts

What is the function of "ora.DGNAME.ghchkpt.acfs" & "ora.DGNAME.GHCHKPT.advm" ?

I know what acfs & advm mean,  but still got below 5 questions

1) What is the function of "ora.DGNAME.ghchkpt.acfs"

3) What is the function of "ora.DGNAME.GHCHKPT.advm"

3) What is the relation ship of them ?

4) what does GHCHKPT mean?

5) what is the function of "ora.helper"

Thanks.

Below is my rac18c cluster status.

[grid@xha239146 ~]$ crsctl stat res -t

--------------------------------------------------------------------------------

Name           Target  State        Server                   State details     

--------------------------------------------------------------------------------

Local Resources

--------------------------------------------------------------------------------

ora.ASMNET1LSNR_ASM.lsnr

               ONLINE  ONLINE       xha239146                STABLE

               ONLINE  ONLINE       xha239147                STABLE

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