El 04/10/2013 14:10, Mike Broers escribió:
> Strange, this is happening in a totally different environment now too.
> The only thing these two environments share is a SAN, but I wouldnt
> think something going on at the SAN level would make files disappear.
> Any suggestions are greatly appreciated.
>
>
> On Fri, Oct 4, 2013 at 9:40 AM, Mike Broers <mbro...@gmail.com
> <mailto:mbro...@gmail.com>> wrote:
>
> Hello, our postgresql 9.2.4 qa database (thankfully its just qa)
> seems to be hosed.
>
> Starting at around 3:39am last night I started seeing errors about
> missing files and now I cannot run a pgdump or a vacuum without it
> complaining about files that it cannot find with errors like this:
> ERROR: could not open file "base/125542/12631". When I check the
> filesystem the files are indeed not there. The 1am regular vacuum
> completed and its log is clean. The postgres log is clean before
> these errors occurred.
>
> Since this is qa we do not perform backups, and the solution if we
> cannot repair the problem will be to create a fresh qa server but
> I am intrigued about how to determine the source of the problem
> and the extent of the problem.
>
> Is there a way to force vacuum to continue on errors or an
> alternate way to help determine all the missing files?
>
> It might be totally unrelated, but yesterday morning on this qa
> server I stopped postgres, and created a symlink to pg_xlog so
> that it was writing to a different volume, and restarted. This
> was working fine all day so its possibly a red herring but I
> thought I should mention it.
>
> Any advice is appreciated, thanks!
>
>
>
Hello, U should try to put the data directory in a local disk (SAN may
be falling). I don't like SAN volumes for databases.
