Re: could not open relation...No such file or directory

On 12/22/2010 07:59 AM, Sim Zacks wrote:
> We are using postgresql 8.2.17 on Gentoo
>
> Our postgresql database stopped working with the error
> ERROR: could not open relation 1663/26468499/26470404: No such file or
> directory
>
> After one minute of these errors on every statement run we had what
> looks like a memory failure:
> Dec 22 16:37:44 localhost kernel: [279820.425911] postgres invoked
> oom-killer: gfp_mask=0x280da, order=0, oom_adj=0
> Dec 22 16:37:44 localhost kernel: [279820.425917] postgres cpuset=/
> mems_allowed=0
> Dec 22 16:37:44 localhost kernel: [279820.425922] Pid: 26209, comm:
> postgres Not tainted 2.6.32-gentoo-r7 #12
>
> We cannot connect to the database using psql as it gives the could not
> open relation error. We ran fsck and did not find any problems. I
> searched through google and found suggestions such as reindex, but we
> can't connect to the db. We also can't take a backup of the database as
> pg_dump gives the same error.

Does the not connect also apply to starting postgres in single user mode?

>
> This is our production database and crashed at the end of the day. If
> possible, I would really not like to lose a full days work by restoring
> yesterdays backup.
>
> Thanks
> Sim
>

--
Adrian Klaver
adrian(dot)klaver(at)gmail(dot)com