writing block 6850 of relation 1663/17231/1259

Sorry forgot to change title. 

Any help will be greatly received!


-----Original Message-----
From: Mudit Mishra 
Sent: 11 September 2011 14:39
To: pgsql-general@postgresql.org
Subject: RE: [GENERAL] COPY FROM (query) in plpgsql

Hi All,

Can anyone help me to fix this issue?

I keep getting following errors in the log. I do not have a backup of the database and want to recover the database as
muchas possible from this error. 
 

2011-09-09 11:06:39 PANIC:  xlog flush request 2/190490D8 is not satisfied --- flushed only to 2/19004190
2011-09-09 11:06:39 CONTEXT:  writing block 6850 of relation 1663/17231/1259


OS:  Windows 2003 server
pgsql version: 
Welcome to psql 8.0.3, the PostgreSQL interactive terminal.

Thanks,
Mudit