On Saturday, our database machine locked up hard on us due to some faulty hardware. Since then, we have been getting messages like this:
ERROR: could not access status of transaction 143934068
DETAIL: could not open file "/usr/local/pgsql/data/pg_clog/0089": No such file or directory
Looking in /usr/local/pgsql/data/pg_clog, the "0089" file isn't there. Some investigation revealed these messages:
http://archives.postgresql.org/pgsql-hackers/2004-01/msg00534.php http://www.mail-archive.com/[EMAIL PROTECTED]/msg13874.html
So, I did "dd if=/dev/zero of=/usr/local/pgsql/data/pg_clog/0089 bs=8k count=1". I did an ls to verify that the file existed. I started the postmaster back up, tried a VACUUM, and got:
vacuumdb: vacuuming of database "hyperseek" failed: ERROR: could not access status of transaction 144565028
DETAIL: could not open file "/usr/local/pgsql/data/pg_clog/0089": No such file or directory
I looked, and the "0089" file was gone again. Is there anything I can do to save the situation? (The PG version is 7.4.2)
steve wolfe
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