That looks to be a file hanging around from a previous PITR backup.
That file should be in your xlog archive.
cat the contents and you'll see which backup it belongs to.
Andy.
Mr. Dan wrote:
> Hi,
>
> I do an online backup with v814 and v810. I've noticed that there is
> a file showing up in the PGDATA
> directory/pg_xlog/00000000010000251000000C2.0021CDDE.backup owned by
> postgres 284 bytes in size that shows up in v810. That file isn't
> showing up in v814. Is that by design?
>
> ~DjK
>
>
> psql -d somedb "SELECT pg_start_backup()
>
>
>
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>