Jim Buttafuoco wrote:

hackers,

I am having a problem with table (identified by pg_dump). I get the follow error when I try to COPY the table to stdout (or /dev/null).

DB=# copy rnk to '/dev/null';
ERROR:  could not access status of transaction 1076101119
DETAIL:  could not open file "/usr/local/pgsql/data/pg_clog/0402": No such file 
or directory

Pg version is select version();
version
-------------------------------------------------------------------------------------------------
PostgreSQL 7.4.5 on i686-pc-linux-gnu, compiled by GCC gcc (GCC) 3.3.4 (Debian 1:3.3.4-6sarge1)


I do have a good backup from the day before, if needed. is there a magic command to get me out of this?


You could try creating that file by writing a bunch of zeros to it, for example:

Shutdown PostgreSQL
Then run the following command in $PGDATA/pg_clog
dd bs=8K count=1 if=/dev/zero of=<filename>

Where the filename is the name of the file missing.

No promises though.

Sincerely,

Joshua D. Drake


Thanks
Jim



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