A. It performs a shutdown and then a restart of all processes in both Oracle Grid Infrastructure and Oracle Database home during the patching process. => True
B. It must be invoked by a user with root user privileges. => true
C. Patches are applied via opatchauto. => not always.
D. Users must always input patch plans to opatchauto. => false, patch plans is optional
E. It requires the Oracle Grid Infrastructure and Oracle Database instances to be shut down before being invoked. => false
F. It applies patches in nonrolling mode by default. => false, default is rolling mode.
G. It is used to apply interim patches to Oracle Grid Infrastructure and Oracle Database home combinations. => true
Correct: A,B,G
Reference:
https://docs.oracle.com/cd/E24628_01/doc.121/e39376/opatchauto_commands.htm#OPTCH585
https://docs.oracle.com/cd/E24628_01/doc.121/e39376/configuration_patching.htm#OPTCH149
OPatchAuto must be run from the GI Home as a root user
OPatchAuto apply command applies the patch
Rolling Mode (Default Mode): When performing patching in Rolling mode, the ORACLE_HOME processes on a particular node are shut down, the patch is applied, then the node is brought back up again. This process is repeated for each node in the GI or RAC environment until all nodes are patched.
Opatchauto is used also to apply interim patches
A,B,C,G
Student Guide:
opatchauto:
Is a utility for applying interim patches to Oracle Grid Infrastructure and Database Home combinations.
Usually found in the directory $ORACLE_HOME/OPatch
Updated with Patch 6880880 for all product along with opatch
Invoke with the command opatchauto after adding $ORACLE_HOME/OPatch to the PATH
Invoked as the root user
Will shutdown, patch and restart all processes in both the Oracle Grid Infrastructure and Database Home.
Allow a single command to patch a Real Application Cluster (RAC) system or a Single Instance High Availability (SIHA) configuration.
A. It performs a shutdown and then a restart of all processes in both Oracle Grid Infrastructure and Oracle Database home during the patching process. ==> correct
B. It must be invoked by a user with root user privileges. ==> it must be invoked by root..
C. Patches are applied via opatchauto. This is Correct but E is more accurate
D. Users must always input patch plans to opatchauto.
E. It requires the Oracle Grid Infrastructure and Oracle Database instances to be shut down before being invoked. incorrect
F. It applies patches in nonrolling mode by default.
G. It is used to apply interim patches to Oracle Grid Infrastructure and Oracle Database home combinations. Correct
Correct: A, B, C, G (seems four correct options)
C is incorrect, the patches are applied via opatch. Opatchauto is just a tool: " A patch orchestration tool that generates patching instructions
specific to your target configuration and then uses OPatch to perform the patching
operations without user intervention. Specifically, OPatchAuto can:
1. Perform pre-patch checks.
2. Apply the patch
3. Start and stop the running servers.
4. Perform post-patch checks.
5. Roll back patches when patch deinstallation is required."
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