Re: postgres crash SOS

On Thu, Jun 17, 2010 at 10:35 AM, Merlin Moncure <mmoncure(at)gmail(dot)com> wrote:
> On Thu, Jun 17, 2010 at 4:47 AM, Felde Norbert <fenor77(at)gmail(dot)com> wrote:
>> Before I began I made a filesystem level backup after I stopped the
>> postgres service.
>> I have the original 0003 file, the size is 204800, The size of the
>> other files in this dir is 262144.
>
> hm...any indication of why the file is small? run out of space?
> filesystem/os issues?
>
> try appending hex 0x55 to the end of the file until it's the right
> length and starting up the database. disable everything (don't vacuum)
> and immediately try to pull off a dump.
>
> what's the last good backup you have?

if you want to move this along faster and get some more minds on the
problem, hop onto postgresql irc channel:
http://www.postgresql.org/community/irc

also make sure not to modifiy your original filesystem snapshot.
always modify the copy first.

merlin