Thanks for the suggestion ...no evidence of such a shutdown. The first of these errors (since 2005-10-28) was at
2006-09-2605:37:19.157 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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> TIP 2: Don't 'kill -9' the postmaster
>
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