Re: "could not read block" error message

peter@vfemail.net writes:
> I have a perl script that's worked flawlessly for years to extract data from a PostgreSQL database and write the data
toa text file once a day.  The script is now terminating abnormally with this message: 

>      DBD::Pg::db selectall_arrayref failed: ERROR:
>      could not read block 53044 of relation "news":
>      Input/output error at {script name} line 93.

"Input/output error" generally means a hardware problem.  You might try
looking in the kernel log to see if there's any more info there.

            regards, tom lane