Re: Warm standby recovery failure

thank you all for your help. It was indeed my copy script that
destroyed the database. I now understand that postgresql shouldn't be
concerned with validating a WAL segment, that's the responsibility of
the script that hands the segment to postgres.

-lee

On Fri, Jan 30, 2009 at 9:52 AM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> Jaume Sabater <jsabater(at)gmail(dot)com> writes:
>> On Fri, Jan 30, 2009 at 2:22 AM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>>> We probably should add a caution about this to the manual's discussion
>>> of how to write archiving scripts.
>
>> I presume you mean the copy/transfer process did not do its job
>> correctly, Tom. Therefore, I would advise using a script that compares
>> the MD5/SHA1 sums of the origin and destination files and retries the
>> copy/transfer process before returning an exit status to the server
>> (archive_command call). Do you think this would suffice?
>
> That seems like using a sledgehammer to swat a fly. The problem as
> I saw it was that the script was probably simply not checking for
> an error result from 'cp'.
>
> regards, tom lane
>
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