Re: pg_xlog - files are guaranteed to be sequentialy named?

Alvaro Herrera wrote:
> Johannes Konert wrote:
>
>> Hi pgsql-list-members,
>> I currently write a small script that deletes outdated xlog-files from
>> my backup-location.
>> Because I do not want to rely on creation-date, I found it usable to use
>> the result of
>> ln | sort -g -r
>> Thus the newest WAL xlog-file is on top and I can delete all not needed
>> files at the bottom of the list.
>>
>
> Warning, this is NOT SAFE to do. You should NEVER delete "outdated"
> xlog files, unless you appreciate RANDOM CORRUPTION of your data.
>
I think he's talking about deleting pg_xlog files that are being used
for PITR from the backup machine after they've been applied.

But I'm not sure that's really what he meant or not.