Re: [GENERAL] Database Disappeared

2004-10-20 Thread Tom Lane
Roberts, Adam [EMAIL PROTECTED] writes: So, my main question is, is it reasonable to say that a trans id wraparound failure could create a situation in which you could use/manipulate user data tables if you refer to the data tables directly but if you tried to use a util (such as pgdump) or an

Re: [GENERAL] Database Disappeared

2004-10-19 Thread Roberts, Adam
Tom, Thanks so much for your reply. In fact we were not vacuuming this particular db at all! While we have other postgres db's on this same host, this was a recently added db and it was never added to the individual db list to be vacuumed. We have since modified the cronjob to perform a vacuumdb

[GENERAL] Database Disappeared

2004-10-18 Thread Roberts, Adam
Some time ago (May 2004), we were making changes to a Postgresql server to allow a host to connect (pg_hba.conf). When we restarted the server, and restarted the AOLserver process, there was only one table left. All the ACS tables were gone. As we were troubleshooting the problem, we found the

Re: [GENERAL] Database Disappeared

2004-10-18 Thread Joshua D. Drake
We thought that this might be an AOLserver problem, however, through our investigation and comments from posts to the OpenACS board, we believe this is an error with PostgresSQL. We are hoping that someone might have some ideas or any experience with this. Thanks!! Are you vacuuming? How

Re: [GENERAL] Database Disappeared

2004-10-18 Thread Tom Lane
Roberts, Adam [EMAIL PROTECTED] writes: The following is a link to the last post we had with this same problem: http://openacs.org/forums/message-view?message_id=185837 Given the comment about 500M pg_clog, I would venture that you aren't doing adequate vacuuming and have therefore run into a