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

On 12/22/2010 08:37 AM, Sim Zacks wrote:
> On 12/22/2010 06:28 PM, Adrian Klaver wrote:
>
>> 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?
> Same error with single user mode.
> postgres --single -D /var/lib/postgresql/8.2/data clstock
> FATAL: could not open relation 1663/26468499/1259: No such file or
> directory

Well it is failing on a different relation. Is the FATAL message
correct, are the relations shown in fact not on the file system?

>
>>
>>>
>>> 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