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List:       postgresql-admin
Subject:    Re: [ADMIN] Runtime error: could not open segment 1 of relation ...
From:       "Gregory S. Williamson" <gsw () globexplorer ! com>
Date:       2006-09-26 23:23:19
Message-ID: 71E37EF6B7DCC1499CEA0316A256832802B3E611 () loki ! wc ! globexplorer ! net
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Talha,

Seems like a plan ... once we have it out of runtime I'll be able to redo indexes, \
whatever.

Thanks,

Greg

-----Original Message-----
From:	Talha Khan [mailto:talha.amjad@gmail.com]
Sent:	Tue 9/26/2006 3:33 PM
To:	Gregory S. Williamson
Cc:	pgsql-admin@postgresql.org
Subject:	Re: [ADMIN] Runtime error: could not open segment 1 of relation ...

Try reindexing your database and see if that solves your problem.

Regards
Talha Khan


On 9/26/06, Gregory S. Williamson <gsw@globexplorer.com> wrote:
> 
> Thanks for the suggestion ...no evidence of such a shutdown. The first of
> these errors (since 2005-10-28) was at 2006-09-26 05:37:19.157 PDT today;
> machine was last shut serveral weeks ago. There's been several large updates
> since then (sort of batch process for updates, then the server is read-only
> for 99.999 of the time).
> 
> Greg
> 
> -----Original Message-----
> From:   Talha Khan [mailto:talha.amjad@gmail.com]
> Sent:   Tue 9/26/2006 3:21 PM
> To:     Gregory S. Williamson
> Cc:     pgsql-admin@postgresql.org
> Subject:        Re: [ADMIN] Runtime error: could not open segment 1 of
> relation ...
> 
> Hi Greg,
> 
> Is it possible that the server was shutdown using -mi switch?
> 
> cuz immediate shutdown ends causing these problems.
> 
> Regards
> Talha Khan
> 
> 
> On 9/26/06, Gregory S. Williamson <gsw@globexplorer.com> wrote:
> > 
> > This morning one of our production servers (8.1.1, Linux) threw a number
> > of  errors like these (different final number; first two [1663/43801]
> are
> > all the same]:
> > 
> > 2006-09-26 10:02:15.124 PDT 1387333718 ERROR:  could not open segment 1
> of
> > relation 1663/43801/7274801 (target block 478216192): No such file or
> > directory
> > 2006-09-26 10:02:52.991 PDT 1387340456 ERROR:  could not open segment 1
> of
> > relation 1663/43801/7274801 (target block 478216192): No such file or
> > directory
> > 2006-09-26 10:02:53.002 PDT 1387340458 ERROR:  could not open segment 1
> of
> > relation 1663/43801/7274801 (target block 478216192): No such file or
> > directory
> > 
> > The server never really recovered -- it kept running but was horribly
> > slow. Rebooting seems to have cured the problem, but I am wondering what
> I
> > made look into, etc.
> > 
> > The server in question is really a read-only beast with several hundred
> > connections, typically, 4 gigs of RAM, and has not misbehaved before.
> > 
> > Any suggestions would be welcome! (Although I fear I know the answer --
> > disk issues.)
> > 
> > Thanks,
> > 
> > Greg Williamson
> > DBA
> > GlobeXplorer LLC
> > 
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> > 
> 
> 
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