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I don't believe you will have any issue since the Standby is not writing any new archive. Notice the dates on the Redo logs ( not the standby redo logs ) never change.
You can test this by running this from the Primary :
You may have an entry in the Standby alert log which confirms this.
select switchover_status from v$database;
Please consider closing some of you old questions to keep the forum clean.
10 (10 unresolved)
First you have to know what happens when log switch occurs either manually or internally.
All data & changes will be in online redo log files, once log switch occurred either automatic or forcefully, these information from online redo log files will be dumped to archives.
Now tell me. Where will be the online redo? There is no concept of online redo data on standby, in case of real time apply you will have only standby redo log files, even you cannot switch standby redo log files.
First this command on standby won't work, it's applicable only for online redo log files. So onions redo exists/active only in primary.
So nothing to worry on it. Make sure environment is sync prior to performing switchover.
Hope this helps.
Your all questions why unanswered? Close them and keep the forum clean.