I am not sure how likely this situation is, but setting up log shipping, or maybe recovering from disk failure *might* mean you need to bring the saved archive files "back from somewhere else".
regards
Mark
Tom Lane wrote:
Another and simpler way is to recommend that people use archive_command strings that won't overwrite an existing archive file.
For instance instead of showing the example archive_command = 'cp %p /mnt/server/archivedir/%f' we could show archive_command = 'test ! -f /mnt/server/archivedir/%f && cp %p /mnt/server/archivedir/%f'
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