Which three components are integral parts of High Avail…

C, D & E

With Oracle Database 12c, Cloud FS includes High Availability NFS (HANFS). HANFS provides uninterrupted service of NFS exported paths by exposing “NFS exports” on “Highly Available Virtual IPs (HAVIP5)”. Oracle Clusterware agents are used to ensure that the “HAVIPs” and “NFS exports” are always online. If a cluster node fails, the “HAVIPs” and “NFS exports” are automatically migrated to a surviving node.

Before configuring HANFS, ensure that an NFS server is running on the required cluster nodes and that you have created the ACFS file systems that you want to expose with HANFS. HANFS requires the underlying ACFS file system to be registered as a cluster resource and mounted on multiple cluster nodes.

Also, a “HAVIP” resource must be created. The key parameter for the HAVIP resource is the address, which is specified by using a host name or IP address. The corresponding IP address must be a single static address (no dynamic host configuration protocol [DHCP] or round-robin domain name server [DNS] resolution), which is not currently in use and is on the same subnet as the existing node VIPs.

After the “HAVIP” is defined, an “EXPORTFS” resource must be created. To create the
“EXPQRTFS” resource, you must specify the HAVIP resource that will be used to export the file system, the path of the ACFS file system being exported, and a name that is used to identify the resource. You can also specify other NFS options and allowed clients.

After all the resources are in place, the file system can be exported by using the srvctl start exportfs command. Exporting the file system automatically starts the associated HAVIP.

Correct C,D,E

Source:
D81242GC10 – Oracle Database 12c: ASM Administration 7-32