Examine this command and output:
[root@host01 ~]# / sbin/acfsutil snap create snap001 /u0l/app/grid/acfsmount/
acfsutil snap create: Snapshot operation is complete.
Examine this command:
[root@host01 ~]# / sbin/acfsutil snap create –p snap001
Snap002 /u01/app/grid/ acfsmount/
Which statement must be true for the successful execution of the second command?
A.
The disk group compatibility attribute for ADVM must be set to 12.1 or higher.
B.
The parent snapshot must be read-only.
C.
The underlying ADVM volume must be configured with high redundancy.
D.
The parent snapshot must be read/write.
Correct: A
Creation from an existing snapshot is not permitted if there are:
Any snapshots present in the file system that were created with the ADVM compatibility set to less than 12.1
Any snapshots of the file system that were created after ADVM compatibility was set to 12.1 but while 11.2 snapshots existed
Any snapshot deletion cleanup operations still running in the background for the above conditions
Agree – Correct Answer: A ( from Oracle Doc)