Devrim GÜNDÜZ wrote:
>
> I recently started seeing the following in the logs:
>
> ERROR: could not read block 46 of relation
> pg_tblspc/16385/8578554/11521501: Input/output error
> CONTEXT: automatic vacuum of table "foo.pg_toast.pg_toast_8578780"
>
> This is a Slony-I 1.2.21 slave, which runs 8.4.3 on RHEL 5.5.
>
> This toast relation is the toast of an index of one of the most
> frequently used tables.
>
> Is this *definitely* a disk error, or could it be related to PostgreSQL
> itself? I'm in the process of replacing disks, but I wanted to make
> sure.
The error comes straight from the kernel, so the problem is certainly
not in PostgreSQL.
--
Alvaro Herrera http://www.CommandPrompt.com/
The PostgreSQL Company - Command Prompt, Inc.